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250-824 exam Dumps Source : Data Protection Troubleshooting for UNIX using NetBackup 5.x

Test Code : 250-824
Test denomination : Data Protection Troubleshooting for UNIX using NetBackup 5.x
Vendor denomination : Symantec
: 128 existent Questions

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Symantec Data Protection Troubleshooting for

Symantec Backup Exec troubleshooting efficiency tips | existent Questions and Pass4sure dumps

Symantec Corp.'s Backup Exec is a well-liked facts backup program for computing device and networked storage programs. although, as with every application, there are things that can furthermore exist set incorrectly or things that may disappear incorrect which will sluggish performance. within the case of a backup software, a slipup can significantly enhance the time it takes to complete your backup jobs. when you are the utilize of Backup Exec and your performance is never what it can be, some troubleshooting may well exist in order. here's an inventory of potential things to loom out for.

Get a baseline: analyze ancient backup logs

delivery with the aid of looking at your aged backup job logs and note each the complete time required to again up, the size of the backups, and the universal velocity. (Go to the "job video display" tab in Backup Exec and select "job background.") compare this to the current pace and complete time it takes to comprehensive the job. If there's a major slowdown, you'll deserve to loom more carefully for viable reasons.

damage the procedure down and examine the velocity of each disk or agent being backed up. To Do this, set up sever jobs for each disk or agent being backed up and back them up separately. If one disk or agent looks unusually sluggish, drill every the pass down to investigate the trigger by pass of inspecting the job in element.

examine that the records is not being redirected in other places. Some file systems allow a listing to consist of facts from a file on an additional server within the backup. this can decelerate the total backup technique.

if you are backing up over a network, which you could test the device throughput by using evaluating the Backup Exec logs with the logs of home windows backup (NTBackup) If the Backup Exec logs reflect a lot of situations that Do not divulge up in the NTBackup logs, extra analysis is known as for. If remote backups don't seem to exist working, are trying backing up from one obligate to another on the faraway server. examine the logs of the Backup Exec backup and the home windows backup. (This assumes you are analyzing a drive rather than an agent for a software relish Microsoft trade.)

assess for disk fragmentation

be confident to additionally examine that there don't seem to exist loads of small data or directories on the disk. this could decelerate backups in a lot the selfsame means fragmentation does by pass of requiring loads of reads to pick up the suggestions off the disk for backup.

Disk fragmentation can sluggish efficiency of Backup Exec drastically. verify to leer how fragmented your disks are and defragment if critical.

flip compression on

inform the Backup Exec to compress any information which may furthermore exist compressed. Some info, relish mpegs and jpegs, can not exist compressed. if you suspect the issue could exist within the compression, are attempting switching from hardware to application compression, or vice versa.

be inevitable your backup application is never getting in the manner

Antivirus utility can exist a particular problem in Backup Exec. Checking every file being backed up for viruses is unnecessary and slows backup efficiency. For more on the interaction between Backup Exec and Norton Antivirus, contemplate Symantec's Backup Exec discussion board. also, the newer models of Backup Exec gain a function referred to as Tamper insurance policy that can antecedent issues with antivirus utility.

Tape backup with Backup Exec

if you are backing up to tape, power cycle the tape power or library and the server. This should unravel temporary problems. This re-initializes the tape device and resets the tape gadget's state. This might furthermore remedy every Little thing from an issue led to by a power glitch to some incorrectly set parameters.

The SCSI fragment (controllers, cables, terminators, and so forth.) of your backup system can sap efficiency if the parameters are set incorrectly when backing up to tape. determine the documentation and compare the values there with your settings. The check selection should quiet provide you with a fine ordinary photograph of the condition of the SCSI device. they can Do the selfsame factor when backing as much as disk, but because of the random write nature of disk, it would not gain the difficulty to the selfsame diploma tape does. Tape wants data fed at a pleasant even velocity that fits the pace of the tape unit for most fulfilling performance. Disk can deal with intermittent slowdowns within the statistics price more advantageous than tape can since it writes randomly.

Use the 'examine' option to check the fitness of the SCSI system

The determine operation is often restricted by means of the accelerate of the SCSI equipment. verify the performance with the aid of inspecting the logs of jobs with check operations in them. If the determine speeds are low, assess the SCSI subsystem for workable bottlenecks.

make inevitable your controller is rated for the velocity of your tape drive. for instance, an LTO-3 tape power requires a SCSI 320 network. determine that your tape drives are not related to a SCSI RAID controller.

among the many other workable issues with SCSI are unsuitable cabling, unfastened or unhealthy termination and mistaken SCSI BIOS settings. furthermore beget inevitable the "provoke vast negotiation" selection is decided to "yes" when you are the usage of a sixty eight-pin cable connector to your tape drive.

if you're backing as much as disk, examine the Backup to Disk (B2D) folder. The B2D folder's leading utilize is to sojourn away from the lack of statistics if a appliance fails, however offers a benchmark for Backup Exec towards an extra equipment. You want at least 2 Gb of facts to allow for caches and such. It tends to pick up rid of problems with the utility and the server being backed up as feasible causes. leer at various the B2D velocity via copying at the least 2 Gb of records to the B2D disk by pass of dragging and losing the file(s). examine that with the pace of backing up the equal information. If the accelerate is concerning the same, the difficulty is most likely within the disk subsystem, including the controller.

See Symantec's troubleshooting tip doc for further Backup Exec troubleshooting guidance.

About this creator:Rick cook dinner makes a speciality of writing about issues regarding information storage and information storage management.

internal Symantec’s Tech Transformation | existent Questions and Pass4sure dumps

The account of Symantec’s recent transformation begins with a strategic aspiration: to position the business as a major disruptor in its chosen sector of cybersecurity. Over the span of 5 years, the business went via two most Important divestitures, promoting Veritas to a personal fairness group in 2016, and website security to DigiCert in 2017. The enterprise additionally made two mammoth acquisitions, Blue Coat in 2016 and LifeLock in 2017, followed by means of three smaller ones. Symantec then initiated two intensive rounds of restructuring that protected cutting back head count, which laid the groundwork for a subsequent wave of increase.

In doing every this, the company reoriented its goal. It went from selling enterprise software to featuring the world’s main cybersecurity structures for both patrons and world firms, and shifted company fashions from product orientation to subscription-based mostly. The company furthermore went through a deeply felt cultural exchange, including a brand unusual stress on compass at the accurate administration level. finally, Symantec changed CEOs twice, discovering sturdy floor with Blue Coat alumnus Greg Clark on the helm.

Symantec chief tips officer Sheila Jordan performed — and continues to play — a pivotal position overseeing the redesign and consolidation of the enterprise’s technological infrastructure. Jordan joined Symantec in 2014, quickly after the initiative started. Jordan prior to now served as a senior vice president at Cisco methods and Disney, now not simply in IT however additionally in finance, assisting earnings and advertising. Her technical lore and enthusiastic, rely-of-truth approach to simplifying the company’s digital expertise became a model for Symantec’s consumers. She’s furthermore one of Silicon Valley’s most in claim feminine executives, in fragment on account of her capability to spot tendencies in the trade, and dwell ahead of the curve.

method+business caught up with Jordan in her Mountain View, Calif., office to focus on Symantec’s transformation and the changes taking location in Silicon Valley today.

S+B: How would you characterize your function in Symantec’s transformation?JORDAN: i used to exist employed back in 2014 to carry assistance know-how lower back in-apartment from a aged outsourced mannequin and to construct a global-type IT organization. I knew that would exist a major problem, and that i notion it could exist lots of enjoyable. at the moment, I had no thought that the total enterprise changed into about to change.

Then got here the Veritas separation. A divestiture of this shape is greatly greater complicated than an acquisition. They were becoming two sever agencies with their personal unbiased ecosystems of techniques and programs: WANs, LANs, sites, facts facilities and labs, business aid planning (ERP) methods, purposes, laptops, and mobile gadgets. every thing had to exist smash up aside, including every the records. They determined to Do it in a complete method, to select this probability to genesis cleansing up tactics and simplifying every thing.

In 2016, with the Blue Coat acquisition, they made a similar alternative. They could gain just jammed the two agencies collectively, with many legacy and redundant purposes operating concurrently. instead, they selected to simplify.

We strategically modified each point of the company and took the casual to speculate tactically and long-time period. This resulted in a yoke of accomplishments, together with consolidating into one customer relationship management equipment. they are at the minute one unencumber far from consolidating numerous ERPs into one ERP; remodeling their business approaches and removing product SKUs; and streamlining their distribution channels and systems to beget doing enterprise with Symantec simpler.

S+B: What needed to occur inner the enterprise to beget the transformation exist triumphant?JORDAN: individuals talk about “digital transformations” as in the event that they were every about technology. within the magnificient scheme of issues, the expertise is the effortless part. extra importantly, you deserve to focal point on improving your shoppers’ journey in buying your products and capabilities. for instance, due to the fact that your valued clientele utilize cell devices, your software interfaces ought to exist as mobile-oriented as your clients are. At Symantec, they focused on four factors: speed, alignment, strategic choices, and communique.

S+B: Let’s select these so as. What does focusing on velocity and alignment imply in follow?JORDAN: We’ve swirl into tons faster and more aligned at Symantec. via this alignment, they gain been capable of ameliorate a device that built-in six corporations and divested two. Between April 2017 and November 2018, we went through eight principal application releases, which protected massive alterations to ERP, CRM, and foundational information and reporting programs, with minimal company disruption. this is extraordinary within the ERP world. every most Important liberate included a criterion of 24 diverse services, from advertising to engineering to finance. This equates to essentially a unlock every other month. They used an agile strategy, with construction, integration, and consumer acceptance every happening concurrently. as a result of the company and IT alignment, the magnificient of each liberate turned into terrific.

We used equivalent the prerogative pass to construct their international subscription platform, which is the platform used to sell their cloud SaaS [software-as-a-service] items. To enhance accelerate and ease, they modeled their person interface on the Amazon event: in exactly just a few clicks your order is accomplished.

shoppers and companions necessity a seamless event. They don’t necessity to contemplate internal organizational handoffs. helping the business articulate the customer journey has [given us] a compelling approach to suppose horizontally, and from a customer lens, versus a purposeful view.

We brought IT, the business instruments, and the different functions in sync. for example, when they realized they couldn’t pick up every thing achieved within the April ERP gadget unencumber, they decided to shove some points to might also. This hypothetical the businesses would gain to absorb a usher technique for a short age of time. They agreed to this in enhance as a result of every of us shared their expectations up front and they spent a beneficial age of time on communication.

i'm additionally tremendous gay with the pass their engineering, advertising and marketing, and IT groups labor together. For the world subscription platform, engineering owns the ordinary cloud, where the security SaaS products pick up provisioned. advertising owns the navigation, user experience, and content on the site for their direct small- and medium-enterprise consumers. IT owns the ordering and cash programs — and naturally, connects the gross platform collectively. but every of us own and are answerable for the entire event.

In that context, i relish that IT individuals are naturally systemic system thinkers; they contemplate horizontally. They know how purchasers adventure the enterprise. they are able to add price in broader agencies by mentioning duplications, gaps, and dependencies.

large decisions and communique

S+B: You celebrated another ingredient was “strategic choices.” What does that imply?JORDAN: i was relating to the manner they geared up the design and implementation of the transformation activity. There are two councils. each other Friday, a software council that oversees the particulars of the trade technique meets for two hours to disappear through enterprise and IT considerations. Then, predominant strategic decisions are discussed once a month by using a more senior community: the program board. This board includes the CEO and company unit conventional managers. every the pass through these periods, they gain modified their pricing structure for small groups, rethought their channel approach, and simplified their product choices.

S+B: How Do you're making the councils work?JORDAN: They set expectations during the approach they work. Flawless execution isn't non-compulsory for us. It’s mandatory. We’re every during this together, and we’re every responsible.

for example, they scholarly to celebrate what they convene “reds.” These are the issues that individuals can’t unravel on their personal and ought to deliver up on the application councils. in the past, people weren’t at ease saying, “I’m pink this week.” They didn’t necessity their colleagues to grasp. They had been no longer leveraging the vigour of the leeway and their colleagues.

We created an environment where it feels secure to walk into a council assembly and say, “I’m red.” It simply ability that you are astray and could want the room’s help, even if it’s a change-off with a colleague or now and again the assist of the exact administration crew, to pick up again on track. surroundings that tone relieves pressure and stress, raises accountability, accelerates route corrections, and units expectations alongside the manner.

this is the position mutual faith and admire among teams are vital. i will Say at a software meeting, “i will exist able to’t pick up that finished for this unlock; it’s inconceivable.” Or, “My team says they checked out it 12 other ways, and it received’t labor this time.” but then i can offer to upshot it within the next unlock and query them, “What are the implications for you because of this choice?” and comprehend they’ll reply candidly. That benevolent of alternate-off and negotiation is miraculous. I’ve labored on transformation and integration for 2 years, and i actually don’t suppose there’s been one theatrical moment. There had been many suit debates, however it hasn’t develop into terrible, with pointing fingers or a failing online game. This subculture has allowed us to exist so a hit. they are the usage of their crucial elements and mental power to unravel existent customers concerns and actual business issues.  

S+B: What concerning the fourth element you mentioned: communication?JORDAN: i will’t articulate ample how crucial widespread and relevant verbal exchange is. exchange inevitably ends up in concern and uncertainty. The personnel want many snippets of verbal exchange, even if the leaders don’t gain every of the answers. They deserve to reassure people, “it’s beneficial enough” or “we’ll pick up this.” After becoming a member of Symantec and edifice an international-class IT group with hundreds of contributors around the world, I begun publishing an inner weekly blog — just a yoke of paragraphs of crucial activities or tasks, attention, calls to motion, and information. I believe I’ve missed four weeks in 4 years. each time I neglected it, I immediately heard from my employees, “the position is the blog?” americans necessity to hear what’s going on. In an oblique pass i'm creating a community in the IT organization. Infrastructure wants to grasp what's happening in the software space and vice versa. personnel esteem to recognize their job is critical, and it’s up to leaders to justify the pass it every suits collectively.

Bringing Cultures collectively

S+B: What become the cultural change at Symantec relish from your standpoint?JORDAN: It [has been] huge. 4 years ago, I doubtless would gain observed, “lifestyle is vital. nevertheless it’s no longer vital.” today, I deem labor on pass of life is integral. Their enterprise mission is to offer protection to the world. anybody in the business can skinny in against that commentary; it’s empowering, but you furthermore gain to set goals and exist transparent on the pass you are going to fullfil that mission.

S+B: What different cultural considerations did you have?JORDAN: With acquisitions, you gain got different cultures to integrate, relish having a blended family. Symantec, Norton, Blue Coat, and LifeLock every had distinctive cultures. It’s essential to beget the application to establish the “new pass of life” that takes the best of the most suitable from each and every acquisition. This takes time, so it’s crucial to focus on the labor that can furthermore exist executed automatically. if you’re geared up as it should be, and furthermore you create a blend of the employees from diverse companies, you grow to exist with a various team and a lifestyle with sever perspectives and experiences. perhaps it’s the character of IT, with a significant claim and volume of work, or how the teams gain been prepared, however in their case, essentially in a unique day, it grew to exist impertinent the position someone came from.

What mattered became that they confirmed up as a cohesive IT firm, fixing Symantec’s complex problems and working towards enhancing efficiency for their customers, partners, and personnel. The labor will benevolent the culture, certainly in case you every deem such as you’re within the selfsame boat, and it'll obligate the degree of appreciate, trust, and credibility bigger.

S+B: in case you had to imply an organization going via identical adjustments, is there anything noteworthy you’d disclose them concerning the transformation system that you just haven’t mentioned?JORDAN: gain fun successes, generally. They managed the restructuring and acquisition whereas concurrently running the business, with quarter-ends, monetary closes, and the entire customary demands on IT to dash and operate a multibillion-dollar business. The smack is lengthy, and individuals believe they’ll gain a beneficial time when it’s finished. however you’re in no pass truly done. It’s going to exist continuous change forever. select time along how to beget individuals believe diagnosed and valued. present reasonably-priced celebrations or prepare a group experience. in an application to give them the incentive and thought to proceed.

feminine leadership in technology

S+B: You’re one of the crucial renowned women in Silicon Valley, at a time when many tech groups are attempting to enlarge their percentage of female executives. How does this problem arrive up at Symantec?JORDAN: Their diversity initiative is a huge precedence for their CEO, Greg Clark. It’s Important to leer virile CEOs select this seriously. They’re the ones who gain to lead when they delivery to trade deeply held pondering and biases. [Clark is dynamic in CEO Action for Diversity and Inclusion, a coalition of business leaders launched in 2017 to address these issues more effectively. Tim Ryan, PwC’s U.S. chair, is the chair of the group’s steering committee.] Their CHRO, Amy Cappellanti-Wolf, is furthermore super-obsessed with this.

S+B: what is driving this trade? Why now?JORDAN: One element, of direction, is the broadening focus of diversity considerations within the tech industry. The more youthful era is furthermore forcing trade. Millennials speculate about variety otherwise; they grew up going to faculty with individuals from distinctive geographies and ethnicities, as well as shifting gender norms and expectations. As they convey that intellect-set into their corporations, it ends up in a reverse mentoring for the relaxation of us. The millennials are educating us what it looks relish to not gain ingrained biases in opposition t different organizations, and i esteem that.

at this time, ladies beget up 26 p.c of the world team of workers at Symantec, which is above commonplace for the industry. in accordance with Steve Morgan of Cybersecurity Ventures, ladies characterize 20 p.c of the global cybersecurity team of workers and [that proportion] continues to grow.

extra, their most recent set of summer interns gain been 60 % ladies. That’s tons better, however nevertheless no longer respectable enough.

S+B: Is the gender difficulty different in technology than in other industries?JORDAN: it is, just since the percentage of men is so much greater. once I seek advice from their banking or retail shoppers, for instance, there are greater ladies in every places, at every levels of the company. Of direction, in practically any enterprise, the bigger you disappear in the hierarchy, the lessen the percent of women tends to be.

S+B: Do you feel that’s altering now?JORDAN: I’ve studied this for years. however some ladies quit advancing of their careers when they hit own lifestyles activities, no matter if it’s having toddlers or caring for growing aged folks, many continue to kisser challenges round lack of mentorship, constrained access to opportunity, or feelings of isolation. They necessity to create ways for americans to labor that well existence’s challenges and simultaneously open up an opportunity. once more, millennials set an example. they're becoming up in an international where everything is a provider. they can pick up some thing they desire: software, food, gasoline, a trip, clothing. They click on and it’s there. quick-ahead 10 years, and we’ll perhaps gain an open marketplace of labor assignments based mostly merely on advantage. I’ll select on a venture that looks lively for one enterprise; after which Do a different mission for a unique business. In that context, maybe women may gain more advantageous access to chance, will event less bias, and received’t opt out at the price they are today.

S+B: Does having a enhanced feminine presence beget a change within the pass a company handles a transformation?JORDAN: You often read that it does, since it is declared that women are usually more empathetic than guys. however that may well exist a stereotype. To obligate transformation, you want diverse thinking, regardless of age, gender, ethnic history, sexual orientation, or another selected traits.

What concerns most is the job they ought to do. i'm the CIO for Symantec. I don’t cover my identity as a girl; I wear attire, jewelry, and make-up, and that i definitely can in my view relate to the regular challenges of a working mother with immature toddlers. despite the fact, the proven fact that I’m a feminine doesn’t encourage any of my choices as CIO.

The pass forward for Cybersecurity

S+B: How would you characterize the outcome of Symantec’s transformation?JORDAN: Symantec now has two strategic company devices. Their business enterprise approach is in line with Symantec’s integrated cyber-defense platform. On the client side, with the acquisition of LifeLock, we’ve centered approaches for americans to independently protect their identities and their privacy. We simply delivered Norton privacy supervisor, an app that helps consumers select into account and select manage of their privacy and protect themselves on-line. We reside in a brand unusual digital world the position people are consistently sharing their personal advice, and that counsel may exist mined for income. via this app, they offer their valued clientele the pass to offer protection to their statistics and their privateness, for themselves and their families.

The lively fragment of their system is that it addresses the aged fragmentation of the safety trade. Many CSOs gain referred to that they’re loaded up on safety materiel of their ambiance. truly, their recent web possibility security file (ITSR) indicated that on commonplace — in a big commercial enterprise enterprise — there are between sixty five and eighty five safety tools. Eighty-5 equipment! Now that’s reasonably fragmented. I accept as suitable with Symantec is completely positioned to eliminate that complexity and enrich effectivity with the aid of delivering their built-in cyber-defense platform. finances-wise, this carrier typically lowers expenses for their purchasers — it’s less demanding technically and it saves them money.

We additionally exist aware of that client and enterprise safety are interrelated. If particular person personnel develop into extra aware about protection concerns and walk in the door more secured, with less possibility of compromise, that makes the job of any CIO more straightforward.

S+B: How Do you music the external developments when it comes to threats?JORDAN: Symantec operates the world’s largest civilian threat intelligence community, and probably the most complete collections of cybersecurity threat solutions. They even gain heaps of engineers in the firm, including those working at once on the products, who are engaged in risk intelligence. Symantec is chargeable for seeing and detecting issues before any one else does, and we’re the usage of that intelligence to forewarn others.

Cybercriminals gain become smarter. If widely wide-spread cybersecurity is relish locking the front door of your home, they’re discovering how you can are available in the facet door, a window, or a crack in the molding. and that they’re often lingering undetected and striking out, just watching. You don’t even exist aware of they’re interior until they act.

Cyber products now necessity to gain a astronomical quantity of simulated intelligence and desktop getting to know built in. They must disappear to unusual lengths to give protection to essentially the most exquisite records of an commercial enterprise, similar to payment card business [PCI] data, bank card suggestions, and now — with GDPR [General Data Protection Regulation] in upshot — privateness facts. In earlier instances, a protection operations core analyst used to investigate the records logs after a breach, looking for clues. nowadays, they deserve to pick up at that needle within the haystack a magnificient deal extra prerogative away.

S+B: How should beneficial management exist thinking about these issues?JORDAN: security represents a astronomical risk to any business. We’ve seen every too many circumstances the place, if it’s no longer managed smartly, it could actually gain destructive implications. “Are they cozy?” is an light question. The respond is extraordinarily complex. as an example, how Do you beget confident each employee is protection mindful? What are you doing to avoid someone from unintentionally leaving a laptop in the incorrect region?

“if you repair your cybersecurity, you’re just about cleaning apartment; you now know your infrastructure, functions, and information much more advantageous.”

In established, boards should disburse extra time talking about safety. In many ways, it's as essential as the financials of an organization. The security attitude may quiet no longer exist delegated to a subcommittee. every member of the board really must select into account the safety attitude of their company. on the C-suite stage, cybersecurity is commonly assigned to the CIO or chief safety officer, but the accountability of protection must exist broader. protection is a company method. simply as with different enterprise thoughts, you ought to deem executive alignment, method, coverage, conversation, and, of course, know-how.

It’s no longer practically insurance plan. there's a price and effectivity play concerned. Your legacy servers and methods may pick up used handiest as soon as 1 / 4, however they select a seat there daily with no monitoring, presenting one more pass for unhealthy guys to enter. should you repair your cybersecurity, you’re practically cleansing condo; you now know your infrastructure, purposes, and information tons stronger. which you can design your methods from the floor as much as exist greater security conscious, resilient, and easier to beget utilize of.

  • Amity Millhiser is vice chair of PwC and chief consumers officer of PwC US. She is based in Silicon Valley.
  • paintings Kleiner is editor-in-chief of strategy+business.

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    Network Design Strategies | existent questions and Pass4sure dumps

    This chapter, from Upgrading and Repairing Networks, 5e, looks at the network's ratiocinative and physical design to assist your planning when creating a unusual network.

    This chapter is from the book 

    Many types of networks were discussed in Chapter 1, "A Short History of Computer Networking," from ARPANET to TCP/IP. And in Chapter 2, "Overview of Network Topologies," you scholarly about the various topologies you can employ when designing and creating a local zone network (LAN), and they furthermore looked at some scenarios in which several networks were connected to shape a wide zone network (WAN). In this chapter, they will leer at another aspect of creating a network: the network's ratiocinative and physical design. The physical aspects of your LAN will depend on the underlying physical transport technology—Ethernet or Token-Ring, for example, or possibly ATM, which is supported as a LAN protocol in products such as Windows 2000/XP, Windows Server 2003, and Linux. Depending on which technology you use, there will exist one or more LAN topologies from which to choose.

    Before you can commence to design a physical network, however, you first must determine your needs. What services must you provide to your user community? What are the resources you'll need? If you gain to compromise, what will it select to fullfil the most users or to provide the more Important services? You then will gain to select into account network protocols, applications, network speed, and, most important, network security issues; each of these figures into a network's ratiocinative design. Another Important factor your management will probably obligate you to deem is cost—you can't forget the budget. These factors beget up the ratiocinative design for your network. You first should settle what you necessity and what it will select to provide for those needs.

    If you are creating a unusual network and purchasing unusual applications, you will probably disburse most of your time considering the licensing and other monetary costs (training users, network personnel, and so on). If you are upgrading older applications, several other factors arrive into consideration. Many applications that were coded using COBOL, BASIC, FORTRAN, and other languages that helped jumpstart the computer age may gain built-in network functionality based on older proprietary network protocols. If this is the case with your network, you gain to deem several things. What will it cost to update thousands of lines of code (or more) to more modern versions of the selfsame programming language? What will it cost to upgrade these programs to newer object-oriented languages? To rescue money, can you upgrade fragment of your network and utilize gateway hardware/software to connect to older network components?

    Because of the costs associated with coding applications that were created many years ago, and the expenses that will exist required to update them to modern programming languages, you may exist forced to maintain legacy applications for a few years while replacement applications are designed and created. You may find a packaged application that can exist used to supplant older programs. This problem will apply mostly to proprietary computer architectures, instead of Windows or Unix platforms. If you can simply beget minor changes and compile the source code so that it will dash on a newer operating system, your costs will exist much less than if you gain to re-create the applications your users necessity from scratch. Another cost associated with upgrading to unusual programs is training users and help-desk personnel.

    When you device a ratiocinative network design, you can start from one of two places. You can design and install a unusual network from scratch, or you can upgrade an existing network. Either way, you should gather information about several Important factors before you commence the ratiocinative design. For example, depending on the services that will exist provided to clients, you might necessity to analyze the workable traffic patterns that might result from your plan. Locate potential bottlenecks and, where possible, alleviate them by providing multiple paths to resources or by putting up servers that provide replicas of Important data so that load balancing can exist provided. The following are other factors to consider:

  • Who are the clients? What are their actual needs? How gain you determined these needs—from user complaints or from help-desk statistics? Is this data reliable?
  • What kinds of services will you provide on the network? Are they limited in scope? Will any involve configuring a firewall between LANs? And if so, that quiet doesn't account for configuring a firewall to enable access to the Internet.
  • Will you necessity to allow an Internet connection for just your internal network's users, or will utilize you necessity to allow outside vendors access to your network? One sample that comes to reason is the Internet Printing Protocol (see Chapter 24, "Overview of the TCP/IP Protocol Suite"). What will it cost to evaluate what benevolent of services user groups necessity to access from the Internet? Will you necessity to allow every users to utilize email—both within the internal network and through the firewall on the Internet? The selfsame goes for what sites users will exist allowed to access using a network browser and other network applications. Will you gain users who labor from home and require dial-in or VPN access through the Internet?
  • Can your users tolerate a Little downtime now and then due to network problems, or is it necessary to provide a high-availability network? Will you necessity clustered servers to provide for a towering degree of uptime, or Do your users' applications not suffer from a temporary loss of the utilize of a server? To provide for maximum uptime, can you afford to build redundancy into your network? For example, Chapter 2 discusses redundant topologies that can exist used to obviate a unique point of failure from making the network (and its resources) unavailable. Chapter 11, "Network Attached Storage and Storage zone Networks," describes methods you can utilize to mirror data at geographically remote locations.
  • In an existing network, will you sustain the current protocol or upgrade to a different protocol standard? If you create a network from scratch, what factors should touch your network protocol decision? Ethernet is the most approved LAN technology in the world today. TCP/IP is the most approved protocol suite that runs on Ethernet. Yet there are cases in which other technologies gain their niches. deem the implications (such as uphold costs and security) to maintain older, proprietary protocols.
  • Who Are Your Clients?

    This seems relish a very simple question. However, I'm not saying, "What are your clients' names and how well Do you know their children?" I am referring instead to your lore of the job descriptions for the users on the network. You necessity to assess labor patterns for various departments so that you can appropriately position servers, high-bandwidth links, and other such things in the appropriate physical location of the network. If most of the network traffic you anticipate to contemplate will arrive from the engineering department, you'll necessity to provide that department with a big data pipe. In Chapter 4, "Upgrading Strategies and Project Management," you'll find more information about surveying the user community to arrive up with a device that places resources where they are needed.

    What Kinds of Services or Applications Will the Network Offer?

    Of course, everyone knows that the most Important function of a network today is to uphold multiuser gaming. Seriously, though, you necessity to beget a list of the kinds of applications currently in use, as well as a list of those requested by users. Each application should gain a written risk assessment document that points out potential security problems, if any. Typical network applications today involve FTP, telnet, and, of course, browsing the Web. There are "secure" versions of these applications and there are versions that leave a door wide open into your network. Whatever list of applications you chose to uphold over the network, sustain in reason two things:

  • Is the application safe? Most applications today arrive in secure versions or can exist used with a proxy server to assist minimize the possibility of abuse. Yet, as they every gain seen, even the largest corporations are targets at times, and those companies gain the staff that should exist able to obviate these things from happening. Because proxy servers are an Important component of firewalls, this topic is covered in greater detail in Chapter 45. If you want a secure network, this is highly recommended reading!
  • Does one application overlap another? Every user has his or her favorite application. Some people relish one word processor, whereas others prefer a different one. But when dealing with applications or application suites (such as Microsoft Office), you'll find it better to beget a conclusion and stick with a unique product if it can fullfil the needs of your users. They might not relish it, and training might exist necessary, but supporting multiple applications that Do the selfsame thing wastes money and leads to confusion.
  • A commonly overlooked system for getting data files out of a network and onto the Internet is to simply ship the files as an attachment to an email. So if you speculate you've blocked file transfers by disabling FTP access through the firewall, this sample should expose that you really Do necessity to Do a thorough evaluation of any unusual application or service you will allow on the network. unusual applications should exist justified with facts that expose why they are needed. If an existing application can exist used to accomplish the selfsame goal, why Do you necessity another application? Should you retire the older application and utilize a newer one? Pay attention to the details. And don't forget to test unusual applications to ensure that they perform as expected. The selfsame goes for older applications—will they labor on the unusual or upgraded network?

    Lastly, Do you monitor network usage? Do you want to permit users to disburse their days browsing the Net, or checking personal email while at work? Many companies gain policies that apply to using the telephone for personal business. Do you overlook this situation when giving users email capability? Are you preventing access to sites that are obviously not business-related?

    What Degree of Reliability Do I Require for Each Network Link?

    Just how much downtime is acceptable? For most users, the respond would exist zero. Important components of your network, such as file servers, should gain failing tolerance built in from the bottom up. In big servers, you'll find dual-redundant power supplies (each connected to a sever UPS), and disk arrays set up using RAID techniques to provide for data integrity in the event that a disk goes south. If a link between two offices needs to exist up 100% of the time, you should device for multiple links between the two sites to provide a backup capability. In this case, you furthermore can justify the cost of the extra link by using load balancing so that network response time is improved. And, if you are using multiple links to remote sites, it's always a beneficial conviction to gain more than a unique path to the site. At one site this author worked at, there were redundant power lines bringing electricity into the site—side-by-side. If a tree falls, will it bring down one or both of those power lines?

    Another technology that can exist used to provide an extra layer of redundancy, as well as high-speed access to storage devices, is the Storage zone Network (SAN). A SAN is a network that is sever from the LAN and contains only storage devices and servers that necessity to access those devices. Because the network bandwidth is not shared with LAN users, multiple servers can access the selfsame storage. If one server fails, other servers can exist configured to provide redundant access to the data. Also, the selfsame RAID and other redundancy techniques used for storage devices that are directly attached to a server (such as the SCSI hardware and protocols) can exist used on a SAN.


    The terms RAID and UPS are Important in today's networks, as is the concept of load balancing and dual-redundant power supplies in big networks. You can find out more about RAID (Redundant Array Of Independent Disks) and UPSs (uninterruptible power supplies) by reading Chapter 5, "Protecting the Network: Preventative Maintenance Techniques." For more information about SANs, contemplate Chapter 11.

    The aged maxim "If it ain't broke, don't fix it" doesn't apply to networks. You should always exist proactively looking for potential unique points of failure and doing something to fix them. By edifice redundancy into the network design at the start, you'll rescue yourself a lot of grief in the future.

    Chapter 5 can give you more suggestions about using clustering, backups, uninterruptible power supplies, and other techniques that can sustain the network up and running.

    Choosing a LAN Protocol

    Today the de facto protocol of selection has to exist TCP/IP. However, other protocols gain their position in some perpendicular markets. In this book, they talk about NetWare. NetWare has been around so long that you might find you gain no selection when designing an upgrade but to sustain using IPX/SPX, depending on the applications your network uses. However, even NetWare has moved toward using TCP/IP as the underlying protocol. This is basically the case for version 5.x and 6.x of NetWare. Older NetWare networks should upgrade, if possible, to one of these newer versions. If you will exist connecting the network to the Internet, TCP/IP will exist a necessity. Even if you don't anticipate to gain an Internet connection, you'll find that choosing TCP/IP is a more practical selection today because most applications labor with it and there is a big market of trained professionals who can exist hired to manage a network built on TCP/IP. NetWare 6.x provides backward compatibility with IPX/SPX for the most part, but newer features such as the iPrint—which uses the Internet Printing Protocol—require TCP/IP.

    In addition to transport protocols such as TCP/IP and IPX/SPX, you must deem application protocols that can exist used on the network. For example, to simplify administering configuration information for a big number of computers, you might want to utilize the Dynamic Host Configuration Protocol (DHCP), which is discussed in Chapter 28, "BOOTP and Dynamic Host Configuration Protocol (DHCP)." If you want to provide a central denomination resolution service, you might select the Domain denomination Service (DNS), which is covered in Chapter 29, "Network denomination Resolution." If you are going to operate a Windows network that has pre–Windows 2000/XP clients, you might necessity to utilize the Windows Internet Naming Service (WINS) for backward compatibility.

    So when thinking about a network protocol, recollect that it's not just one protocol you necessity to worry about. After you've decided which protocols are necessary, research the security implications of each.

    It's Virtually Universal: TCP/IP

    For every practical purposes, the criterion LAN protocol today is TCP/IP. This is partly due to the rapid growth of the Internet, and the necessity of most businesses of having a Web presence, as well as the big number of vendors that gain adopted this protocol suite. If your LAN is quiet using an older proprietary network protocol, you should seriously deem what it would select to upgrade to TCP/IP. Currently, TCP/IP version 4 is the most widely used protocol. In the future you can anticipate that the next version (IPv6) will start to find its pass from the core of the Internet out to the edge, where your network resides. While technologies such as Network Address Translation (NAT) are widely employed to remedy the problem associated with the limited address space provided by IPv4, IPv6 will enable a much larger address space. Combine that with Network Address Translation, and the long-term bets are going to exist on IPv6, or possibly some of the features that are fragment of IPv6. In addition to giving you a larger address space, IPv6 includes other Important features. Those that will touch your network the most are security mechanisms, which will only become more Important as Internet commerce continues to grow.


    For a particular introduction to TCP/IP, contemplate Chapter 24, "Overview of the TCP/IP Protocol Suite"; Chapter 25, "Basic TCP/IP Services and Applications"; and Chapter 27, "Troubleshooting Tools for TCP/IP Networks."

    There is one very Important reason you should deem TCP/IP as a LAN protocol: There are more trained professionals knowledgeable in TCP/IP than any other LAN protocol at this time. It is lively to note that in Windows NT 3.51, the default network protocol was Microsoft's implementation of IPX/SPX (NWLink). In Windows NT 4.0 (and successive operating systems, from Windows 2000, XP, and Server 2003), the default network protocol is TCP/IP.

    If your network is composed of several operating systems, from Windows to NetWare to Unix and Linux, then the bottom line is that TCP/IP is the lowest common denominator that will allow the easiest connectivity and interaction between every of these. Even Microsoft's now-legacy NetBIOS/NetBEUI protocols gain been adapted to dash over TCP/IP.

    Novell's NetWare Version 6.5

    NetWare was perhaps the first attempt at seriously providing a LAN protocol that was light to use. The basic file and print services offered by early versions of NetWare were much better than other solutions available at that time. After it became established in the business community, NetWare became the network solution of selection in many business environments that used the PC. Microsoft countered this success with its LANManager products, which were furthermore marketed by other vendors in their own way, such as the Pathworks solution from Digital materiel Corporation.

    Today NetWare is a totally revamped solution to LAN connectivity. It provides many unusual features that are addressed to specifically beget utilize of the Internet, and allow mobile users to connect to their home networks, as well as to enable NetWare users to beget connections to outside networks. For example, the iPrint feature enables NetWare users to print to a printer on a remote network. For example, instead of sending a catalog that may exist out of date in a month or so, you can utilize iPrint to periodically ship specific information relevant to each customer, by printing it directly to the customer's printer.

    And NetWare's iFolder allows mobile users to synchronize data stored on remote computers (such as a laptop computer) with the data stored on the company's network. Microsoft and other vendors offer similar features. However, the point to recollect is that if you already are a NetWare user, you don't gain to throw out your existing investment and prance to a Microsoft network, or even a Unix/Linux environment. NetWare has changed as the market has changed, and you might find it less expensive to upgrade to NetWare 6.5 than to migrate to another platform. The bottom line involves not just the cost of migrating to another operating system, but the costs involved with retraining your network administrative personnel in unusual technology.

    Because NetWare 6.5 is so tightly integrated with the IP protocol, and furthermore offers backward compatibility with IPX/SPX, admins for existing NetWare networks should deem upgrading to NetWare 6.5 as well as considering other options.

    If you want to prance to Linux, Novell makes it light by incorporating an enhanced version of NetWare 6.5 and SuSE Linux into its Novell Open Enterprise Server. Open Enterprise Server supports both Linux and NetWare-specific software and features, enabling you to prance to Linux gradually.

    Other LAN/WAN Protocols

    The distinction between LAN and WAN (wide zone networking) protocols is genesis to blur. Ethernet was once considered to exist a LAN protocol. As time has passed, other technologies, such as Token-Ring, gain become minor players in the LAN world. Yet the antithetical is suitable of Ethernet. It has grown from a modest specification endorsed by Intel, DEC, and other vendors, such that it now can exist considered a WAN protocol. The capabilities introduced by current LAN technologies are genesis to erode the differences between a LAN and a MAN (metropolitan zone network). When the fourth edition of this book was published, Gigabit Ethernet was starting to descend into the inexpensive compass of network topologies. That trend has continued and now 10Gigabit Ethernet (10GbE) is frequently being used in enterprise data centers. Today you may exist using 100BASE-T for connecting client computers to the network, and Gigabit Ethernet to connect network segments via the network backbone. In some cases your network might even exist exclusively based on 10GbE.

    What does this involve to a network administrator today? With 10Gigabit Ethernet, you can utilize TCP/IP not only to create a local zone network backbone, but to extend that compass to a metropolitan zone network. And because TCP/IP is so intertwined with Ethernet, you can achieve an end-to-end MAN link that uses TCP/IP over faster Ethernet connections. Instead of employing more expensive solutions, such as SONET, you can now connect offshoot offices in the selfsame geographical zone using just TCP/IP.

    You may not gain to worry about installing expensive materiel used by SONET and other typical MAN protocols. Still, for the long haul—for example, between different cities—other protocols such as ATM and Frame Relay will arrive into play.


    For more information about SONET, ATM, and Frame Relay, contemplate Chapter 15, "Dedicated Connections."

    Disaster recovery planning: Special report | existent questions and Pass4sure dumps

    When it's time to implement a cataclysm recovery plan, storage administrators are faced with the stint of protecting Important corporate data off site and making adequate preparations to resume bona fide business operations in the event of an emergency. This may seem relish a reasonably straightforward objective, but choosing the prerogative infrastructure can prove unwieldy. A wide proliferation of storage technologies beget the selection of platform difficult, and software choices must often accommodate a heterogeneous storage environment that is frequently separated by a big geographic distance. This article outlines many of the tools and technologies that are currently available for cataclysm recovery (DR) applications and examines some future directions of DR.

    Setting recovery objectives

    Before any cataclysm device can exist implemented, it is absolutely faultfinding to establish the recovery requirements. This involves a thorough understanding of your applications and the pass they relate to everyday business.

    Data classification plays a fragment in cataclysm planning. Not every data is created equal -- the company's Oracle database or Exchange platform may exist mission-critical, but a repository of PowerPoint presentations may not exist essential to the business in the event of disaster. The first step is to identify the applications and data sets that should exist protected by a DR plan. Classifying data for DR carries a twist. "Storage classification is more around usage, access and so forth, while DR is more around linkage to business functions, risk mitigation and survivability versus how the storage is being used," says Greg Schulz, founder and senior analyst at StorageIO Group.

    Once you understand the applications that necessity DR protection, you'll necessity to set a recovery point objective (RPO) and recovery time objective (RTO) for each one. The RPO essentially defines how much data you can afford to lose, while the RTO defines just how much time you gain to regain from the disaster. RPO, and to a lesser extent RTO, will influence the technologies and costs involved in your DR plan. "For example, speculate about American Express having to disclose Macy's it just lost the eventual 1,000 transactions that came out of its stores," says Pierre Dorion, senior business continuity consultant at Mainland Information Systems Inc. "It wouldn't ship Amex [American Express] filing for Chapter 11, but it confident would leave them with a serious black eye!"

    Making DR work

    No two DR plans are identical. Each strategy must exist formulated to match unique business needs and legal requirements while accounting for the most likely "disaster" scenarios. While needs and plans can vary dramatically, most draw from the selfsame selection of underlying technologies. A DR device will often involve a blend of several different technologies.

    Backup. Traditional backups are quiet the foundation of many DR plans, leveraging existing tape drives or libraries to copy crucial files to tape media that can then exist taken off site to a protected location. Disk-based backups are systematically replacing tape, bringing better accelerate and reliability to the backup process. Backups can exist made to any disk array or other platform, but virtual tape has emerged as a approved alternative when disk technology must emulate tape. Backups can exist made locally on site but can furthermore exist made to off-site locations across a WAN link.

    Mirroring/replication. This disk-to-disk process simply creates a data copy between two disk platforms. When anguish strikes the original copy, data can exist restored from the replicated copy -- or possibly even accessed directly from the mirror. As with backups, mirroring between disks can exist handled locally within the data seat or between disks across a WAN link. Most storage array products provide mirroring/replication software utilities bundled with the product.

    Snapshot. A snapshot creates an index of every data locations on the storage platform and tracks any subsequent changes to the data at each location. Over time, a running log of storage changes develops, allowing administrators to restore files and folders that may become lost or corrupted. Since the amount of storage space needed to maintain an index file is limited, it is only workable to store a finite number of snapshots. Consequently, snapshots are typically employed as a short-term protective tactic. Snapshots are basically just a list of data locations and Do not back up data to a second location, so it is quiet Important to protect data through sporadic backups or replication.

    WAN/WAFS. cataclysm planning usually demands that data copies exist stored in a location sever from the original -- if fire destroys the data center, a viable copy of the data is quiet available. Today, WAN links are used to backup or restore data directly between remote sites. For example, remote offices might back up their servers to the primary data seat each night using fractional T3 WAN links, mobile users can back up their laptops to the data seat across the broadband Internet or a data seat might replicate its main servers to a backup data seat across an OC3 connection.

    WAFS is an emerging technology for IT centralization, allowing remote offices "local-like" access to applications and data from the primary data seat across a WAN link. WAFS is not directly considered a DR technology, but has an repercussion on remote office IT consolidation, which will influence DR strategies.

    Virtualization. The claim for duplicate materiel can impose a significant cost for DR users. For example, an EMC Corp. Centera in the primary data seat may necessity another EMC Centera at the remote location. Virtualization technology abstracts the hardware, usually allowing data to reside and operate on different hardware at the remote location. This gives organizations the option to deploy used or available hardware, rather than purchasing identical storage hardware for the remote site.

    CDP. Continuous data protection maintains a running log of storage changes based on key events or even down to individual I/O operations. This sort of continuous operation reduces the RPO to almost zero, and administrators can regain lost or corrupted data from disk in an extremely short timeframe -- keeping RTO short. CDP is not generally intended as a DR technology but is increasingly employed to protect industrious networks (e.g. retail or data processing operations) against lost transactions. As with snapshots, data on a CDP platform quiet needs to exist backed up.

    CAS. Data that requires only occasional access is sometimes archived to a disk-based content-addressed storage (CAS) device. Unlike ordinary disk platforms, CAS devices typically involve security features to obviate file alteration/tampering, compliance features to ensure file availability for a prescribed retention age and data deduplication (a.k.a. "intelligent compression") features that optimize disk space utilization by eliminating redundant data. CAS devices are mainly intended for long-term archival storage but are sometimes used for disk-based backup purposes.

    Turning to tools

    Any DR strategy has to start with a solid plan, but it's the hardware and software that swirl plans into reality. Hardware goes beyond the disks, supporting advanced storage features relish mirroring/replication, snapshots or CDP. Hardware furthermore plays a vital role in affecting data across a WAN, allowing synchronous or asynchronous data movement and often providing compression and data deduplication capabilities that optimize bandwidth use.

    Analysts point to the DMX from EMC as a leading enterprise storage product for DR, citing robust storage and mirroring/replication that handles multisite configurations. The DMX furthermore supports synchronous and asynchronous data movement and multivolume data handling to maintain data integrity between multiple sites. Other leading storage hardware products for DR involve the NearStor virtual tape library (VTL) from Network Appliance Inc., and the TagmaStore storage array from Hitachi Data Systems Inc.

    Cisco Systems Inc. is another notable DR hardware vendor, providing a variety of network routers and switches that uphold local, metropolitan and wide-area data movement using technologies relish SONET/SDH, DWDM and IP -- Important technologies for synchronous and asynchronous data movement. Brocade Communication Systems Inc. furthermore specializes in switching hardware, such as the SilkWorm family of director switches.

    Tape quiet plays a role in DR for many organizations. Products relish the L1400M tape library from Sun Microsystems Inc. (StorageTek) and the PX720 tape library from Quantum Corp. wield backup and archiving within the data seat and between sites.

    Heterogeneous uphold is increasingly Important when selecting storage equipment, ensuring that a unusual manufacturer's product will interoperate properly with existing products in the data center. In many cases, heterogeneous products can exist configured and maintained using existing management software, easing integration problems for unusual systems. Products are often evaluated in promote to guarantee interoperability.

    Backup software and DR

    Software tools furthermore deserve serious consideration in any DR plan, bringing organization and management features to the users that must implement and oversee DR operations. Although there are many types of backup software available for the enterprise, the tools used for DR must exist particularly light to use, especially in terms of rapid recovery. DR software must furthermore exist flexible, adaptable, interoperable and scalable. In short, it must exist able to grow and change as the DR environment evolves.

    NetBackup from Symantec Corp. (Veritas) is perhaps the most recognized backup appliance for DR applications. Capable of working with disk and tape platforms, NetBackup can operate enterprise-wide backup and recovery tasks regardless of geographic location using a unique console under UNIX, Windows, Linux and NetWare. NetWorker from EMC Legato, Tivoli Storage Manager from IBM and Galaxy Backup & Recovery from CommVault Systems Inc. are three other notable backup/recovery products selected for DR tasks.

    DR planning software

    However, software considerations disappear beyond backup. Software tools are available to assist organizations develop and maintain their DR plan. In most cases, these tools are intended to track hardware in the production and DR environments, ensuring that storage arrays, SAN switches, tape drives, servers and other devices are every available and functioning as expected. TeraCloud Corp.'s Storage Framework and Onaro Inc.'s SANScreen are two notable products that gather and report this sort of information. Sentric's Destiny product is an emerging product that classifies and reports data on email servers, file servers and database servers.

    Aside from infrastructure tracking tools, there are several tools available that can actually assist organizations develop and manage their specific plans. For example, RecoveryPlanner from provides DR planners with Web-based software for device creation, distribution and management over the Internet. It furthermore includes notification services, so answerable individuals can exist kept informed throughout the cataclysm and recovery process. Similarly, Strohl Systems Group Inc. offers its living cataclysm Recovery Planning System software to assist users develop comprehensive business continuity plans.

    The future of DR

    Disaster recovery strategies are shifting away from "backups" and affecting toward the concepts of "recovery" and "continuance." The trend toward continuance should continue as organizations set their sights on uninterrupted business operations. fragment of this trend is due to the continued evolution of technology in storage platforms relish VTL, CDP and snapshots. This is further supported by improved bandwidth utilization using features such as knowing compression (a.k.a. data deduplication), allowing companies to exchange more data over greater distances in less time. For example, data can exist backed up directly to a VTL located hundreds of miles away, then transferred to a tape library for off-site tape storage.

    Analysts contemplate the prance toward lower costs, better integration and easier management. Emerging products relish Bycast Inc.'s StorageGRID are recognized for storing and replicating data between multiple sites. "I believe this is the future of DR in terms of delivering data where and when you necessity it so that even a geographic cataclysm is not the selfsame flush of concern it is now," says Jerome Wendt, independent storage analyst. Analysts furthermore leer to startups to significantly accelerate replication speeds in 2007.

    Virtualization is furthermore likely to play a central role in future DR strategies. By adopting virtualization, hardware requirements become less stringent between sites -- with fewer potential configuration and set up problems to impair recovery. "Server virtualization is a huge enabler of DR," says Stephen Foskett, director of strategy services at GlassHouse Technologies Inc. "Many companies are sending VMware images off site so that they don't gain to gain exactly the selfsame hardware waiting for them on the other end."

    Consider the role of third-party DR service providers. Although DR services gain not been terribly approved over the eventual few years, a resurgence may exist on the horizon. "SunGard, Iron Mountain Inc. or IBM Global may arrive back into favor because organizations may not gain a second location," says Brian Babineau, analyst at the Enterprise Strategy Group. He suggests that the economics of outside DR services may beget sense for smaller enterprises that lack the budget and staff to deploy and maintain an in-house DR system.

    ExaGrid Issued US Patent for Unique Zone-level Deduplication Technology | existent questions and Pass4sure dumps

    WESTBOROUGH, Mass.--(BUSINESS WIRE)--ExaGrid Systems, Inc., the leader in cost-effective and scalable disk-based backup solutions with data deduplication, today announced that it received US Patent no. 8,412,848, edifice on the company’s history of innovation to unravel data protection problems for its customers. The patent covers ExaGrid’s unique Zone-level deduplication method, a core component of ExaGrid's deduplication technology.

    ExaGrid’s zone-level deduplication enables customers to profit from a unique combination of seamless scalability, uphold for the widest compass of backup applications, and faster backup and restore performance.

  • Seamless scalability: Zone-level deduplication is a key technology that enables ExaGrid’s disk backup solution to scale seamlessly in a scale-out architecture – with complete servers in a grid – by reducing deduplication metadata by a factor of 1000-times or more over every other deduplication solutions. ExaGrid offers the only scale-out disk-based backup system where as data grows, additional capacity is accompanied by compute resources to maintain performance and scalability. Competing solutions that scale by only adding disk shelves as data grows are performance-challenged and burden customers with costly forklift upgrades.
  • Extensive backup application support: Zone-level deduplication furthermore allows ExaGrid to deliver its deduplication capability for the widest workable compass of backup and archiving applications. Historically, when customers gain looked for faster, more trustworthy backups and restores along with seamless scalability in a disk backup with deduplication solution, they gain faced a tradeoff decision. They previously gain had to select either the scalability and performance of byte-level deduplication with limited backup application support, or the generic approach offered by block-level deduplication, which can uphold a wide compass of backup applications but has performance and scalability challenges. The unique Zone-level deduplication eliminates this tradeoff by making ExaGrid’s deduplication technology available with a broad compass of backup applications, while furthermore delivering the highest performance and scalability. Customers profit from generic and content-aware methods of deduplication, along with GRID-scalability every in a unique product from a unique vendor. ExaGrid is the first and only to offer this approach.
  • Faster backup and restore performance: Zone-level deduplication technology enables faster backups and restores due to much more efficient processing of data streams. By processing larger chunks – from 2MB to 50MB zones – ExaGrid achieves the selfsame or better deduplication rates versus competing technologies that utilize 4KB to 8KB (average) chunks, and create big and unmanageable hash tables which obligate these systems to utilize a front respite controller with disk shelves.
  • “This latest patent is further confirmation of the uniqueness of ExaGrid’s technology, which provides performance and scalability while furthermore working with a wide compass of backup applications,” said Dave Therrien, founder and chief technical officer of ExaGrid. “ExaGrid continues to build on its long history of developing innovative technology and applying those innovations to difficult data protection challenges for their customers. Their growing intellectual property portfolio extends their technology lead in disk backup with deduplication and enables ExaGrid to offer their customers the fastest backup and restore performance, and most seamless scalability with uphold for the broadest compass of backup applications and utilities. This latest patent again acknowledges the uniqueness of their technology, and reinforces ExaGrid’s position as a leader in the market for highly scalable disk-based backup.”

    ExaGrid’s disk backup system with data deduplication supports the industry’s leading backup applications and utilities, including Acronis, CA ARCserve, Bridgehead, CommVault Simpana, Dell/Quest vRangerPro, HP Data Protector, IBM iSeries/Laservault, IBM Tivoli Storage Manager, Idera SQL Safe, Linux/Unix dumps, Microsoft SQL dumps, Oracle RMAN dumps, PHD Virtual, Redgate, Symantec Backup Exec, Symantec NetBackup, Unitrends, Veeam Backup and Replication, VMware Backup and many others.

    About ExaGrid Systems, Inc.:ExaGrid offers the only disk-based backup appliance with data deduplication purpose-built for backup that leverages a unique architecture optimized for performance, scalability and price. ExaGrid is the only solution that combines compute with capacity and a unique landing zone to permanently curtail backup windows, eliminate expensive forklift upgrades, achieve the fastest complete system restores and tape copies, and rapidly restore files, VMs and objects in minutes. With offices and distribution worldwide, ExaGrid has more than 6,000 systems installed at more than 1,700 customers, and more than 320 published customer success stories.

    ExaGrid is a registered trademark of ExaGrid Systems, Inc. every other trademarks are the property of their respective holders.

    For more information, contact ExaGrid at 800-868-6985 or visit Visit “ExaGrid’s Eye on Deduplication” blog:

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