Quantum DXi-Series Distributed Backup and Replication Appliances

Quantum DXi-Series Distributed Backup and Replication Appliances
© 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Introduction & Targets

Conventional Disk Has Limitations When Applied to Backup
Capacity and cost restrict disk use for retention and recovery Users have to expire or move data after a few days Limits one of the major benefits of disk backup—recovery speed Difficult to provide disaster recovery protection Disk backup systems are isolated Data volume makes replication impractical Disk volumes can require complex configuration and can’t be directly shared Integration and service can be complex, require multiple vendors $ $ $ $ Disk can boost backup and restore performance and add fault tolerance, but backing up to conventional RAID arrays can be costly, complex and leave data at risk. Backup systems built on conventional disk storage cannot provide enough cost-effective capacity to let users retain more a few days of backup data on disk. And if users do make the capitol investment to buy more disk backup capacity, they find themselves with large increases in indirect costs—data center space and operating expenses for power and cooling. All of this severely limits users’ ability to retain backup data on disk and to provide disk-based file restores. So users find themselves having to move data off disk backup devices frequently, and restores are made from off-site copies. Even more important for organizations with critical data in distributed sites, disk backup by itself does not protect data from site loss or other local threats (fire, flood, viruses, malicious destruction, etc.). Several suppliers talk about supporting replication, but the amount of data involved with backup and the cost of bandwidth has kept remote replication from being a viable solution. And most disk backup systems, especially those built for primary storage, can be complex to set up and manage for backup. Disk shares can be difficult to share between multiple media servers and capacity management is on-going, time consuming job. Finally, for most backup systems that use primary disk, support can be fragmented with different suppliers covering disk, tape, applications. If a problem occurs, it’s common to have finger pointing. $ $ $ $ © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

The DXi-Series Is the Better Solution
Easy-to-use disk backup appliances that leverage de-duplication technology Increase the effective capacity of disk & bandwidth of WANS Retain 10 to 50 times more backup data on fast recovery disk Retain data for months instead of days Increase available recovery points Make remote replication for DR practical Reduce bandwidth needed to move backup data between sites by up to 50 times Easy to install, use, and manage Service and support from the leader in backup, recovery and archive solutions DXi3500 The DXi Series appliances were designed to provide a more effective way to use disk as part of a backup strategy by leveraging Quantum’s patented data de-duplication technology to dramatically increase the effective capacity of disk (for backup) and the effective bandwidth of WANs. They are design to help users in a broad range of midrange and data center environments. DXi appliances give end users a cost-effective way to retain backup data longer on fast recovery RAID systems and to increase the number of available recovery points by increasing the amount of backup data that can be stored on disk-the increases can be from 10 to 50 times depending on data sets and backup policies. Instead of moving data off disk every few days, users can retain backups on disk for weeks or months. This technology is provided in combination with best-in-class backup performance. DXi appliances enable automated disaster recovery across sites by reducing the bandwidth required to replicate backup data between distributed locations. They are easy to install and manage, providing both NAS and VTL interfaces for rapid configuration and shared deployment in a wide range of existing IT environments. They give users confidence in the integrity of their data through unified service and support for the entire backup solutions set from Quantum, the global leader in backup, recovery, and archive. DXi5500 © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

DXi-Series Appliances
Integrated backup appliances with wide range of capacities: All leverage Quantum’s de-duplication as core technology--up to 540TB of backup retention capacity Work with all leading backup applications Enterprise performance: up to 800GB/hour Retain months of backups on disk for sites with 250GB to 11TB of primary data Replicate data over WANs for DR Easy to use GUI DXi-Series appliances are integrated disk backup appliances that provide protection for a wide range of different customer environments. They all leverage Quantum’s data de-duplication technology to provide very high rates of retention capacity—the ability to hold many backup sets on fast recovery disk. They integrate easily into existing backup environments and work with all leading backup applications—proving the power of data de-duplication without requiring that users change their backup software or their backup policies.. They offer the highest performance in their class—up to 800 GB/hour (that’s 220 MB/second for users who think in those units). For background, that’s twice the performance claimed by the nearest competitor supplying data reduction appliances (that’s Data Domain) . DXi appliances can retain weeks or months of backup data on disk for data sets that range from 250 GB up to 11 TB in size. They also provide replication options that allow users to move data between sites over WANs for DR purposes. Notice the connectivity options: The DXi appliances offer the broadest range of choices: NAS and VTL presentations—GbE, Fibre Channel, and iSCSI connectivity. A single unit can support all of these at the same time. (note: Fibre Channel is optional—NAS and iSCSI VTL are standard on all units). Connectivity GbE FC, iSCSI Presentation NAS VTL Intelligent appliances that provide high performance de-duplication for all leading backup applications © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Advantage Over Conventional Disk
The more data you retain the greater the savings! 800 700 600 500 400 300 200 100 Cost Savings Total GB Stored Capacity used by conventional disk backup product This diagram illustrates a typical backup scenario: an end user is backing up a 100 GB dataset to conventional—doing a full backup everyday. This is the kind of policy that is common with , among other data types. At the end of 10 days, the backups take up 1 TB of disk space—and any additional backups add another 100 GB. With a DXi appliance, the capacity requirements are much smaller. At the first backup, it’s typical to see the data requiring only one-third the capacity of a conventional disk system. That’s the power of de-duplication—there is normally some redundant data in the original dataset. But the real leverage comes at subsequent backups. For each block that the DXi appliance has already stored, it now stores only a pointer. And it applies its de-duplication technology to any new data sets to reduce the space they require. In the typical case where each new backup differs from the last only by a small percentage of the total blocks, it’s common for each new backup to require only 1 or 2% more capacity. So at the end of our ten days, instead of taking up a TB of space, our backup has used about 75GB. Will everyone see those results? Some will see better, and some worse. The results depend on the rate of change, rate of growth, and backup policy. We’d be glad to help a user evaluate their datasets and see how much advantage they might gain. Important note: the benefit here is time and recovery points as much as capacity. With traditional disk systems, data is removed after a few days. With DXi appliances, users can keep all those backup sets for months if they want to. That means rapid restores and a much larger number of recovery points Capacity used by DXi-Series appliance Number of Backup Jobs © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Specifications

DXi3500 and DXi5500 Features Data de-duplication technology
Remote replication over IP NAS and VTL for backup CIFS/NFS iSCSI/FC High performance advanced file system w/ RAID 5 protection Redundant cooling, power supplies Flexible alert notification including and SNMP traps Event monitoring and logging StorageCare Guardian support DXi3500 DXi5500 © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

The Quantum Advantage Quantum’s integrated software layer provides differentiated, high performance solution set Patented proprietary de-duplication technology High-performance, embedded file system In-line compression technology Asynchronous replication approach Flexible, high performance VTL interface Technology links between solutions and service Uniquely scalable technology Upgrade kit will be available for legacy DX30000/DX5000 Discovery (v3.x) units Next generation will link to larger Enterprise products Will leverage multi-tier policy engine, data mover technology In developing the DXi appliance family, Quantum leveraged the Company’s new integrated software layer to provide a combination of enterprise backup performance and industry-leading functionality. This core set of advanced software elements includes patented de-duplication techniques, high performance file-system technology, in-line compression techniques, an asynchronous replication application, and built-in monitoring, alerting and diagnostic tools. Quantum’s integrated software layer gives the DXi appliances their power, but it also provides a foundation for a new generation of intelligent backup, recovery and archive solutions that will improve data protection for a broad range of customer environments from small remote offices to large enterprise data centers. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

DXi-Series Configurations
Upgrade kits will be available for increasing capacity Upgrades will have to use same drive capacity (500GB, 750GB) Native useable is before any benefits of © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

DXi-Series Configurations
1.2TB 4 x 500GB Drives 2x 100/1000 BaseT 2x 2GB FC 2U 1600 Slots 1.8TB 4 x 750GB Drives 2.8TB 8 x 500GB Drives 4.2TB 8 x 750GB Drives DXi5500 3.6TB* 4x 2GB FC 5U 3200 Slots 5.4TB* 7.2TB* 10.8TB* Usable Capacity Connectivity Rack Spacing Maximum Slot Count * Global spare available © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Matching Retention Capacity with Data to Protect
DXi-Series appliances provide options for broad range of data sets 1.2 TB 1.8 TB DXi3500 Models 2.8 TB 4.2 TB 3.6 TB 5.4 TB 7.2 TB DXi5500 Models 10.8 TB 1 2 3 4 5 6 7 8 9 10 11 TB of Primary Data To Protect “Data to Protect” range assumes normal business data, average change rate, either full or incremental backup model. Protection can be provided for multiple months. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

De-duplication benefits on DXi capacity
*Capacities and amount of data protected assume standard business data mix and extended on-disk data retention. 20:1 capacity ratio assumes a weekly full and daily incremental backup model. 50:1 capacity ratio assumes daily full backups. Actual results will vary with data type, change rates, and backup methodologies. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

With Performance to Match
The DXi-Series delivers data center performance Entry level system: protects data at 290GB/hour Enterprise models: protect data at up to 800GB/hour Up to twice the performance of competitive products DXi3500 DXi5500 2 4 6 8 10 TB Written During 10-hour Backup Window at Rated Throughput © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Quantum De-Duplication

How Quantum’s Patented Data De-Duplication Works
Based on data blocks More powerful than whole-file approaches, like single-instance store or incremental backup Finds variable-sized blocks in different locations, across different files, over an extended time period When a block is repeated, only a pointer is stored For highly redundant datasets—like backup—the advantage is extremely high The gain can be 50 to 1 for retained data, depending on change rates and retention policies © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

How Quantum’s Patented Data De-Duplication Works
Old MacDonald had a farm, And on this farm he had a cow, …. And on this farm he had a horse… And on this farm he had a pig… Without de-duplication, you save everything over and over. With de-duplication, you save unique elements once…. then pointers to repeated elements. “Old MacDonald had a farm, And on this farm he had a [cow]…. [horse]…[pig]” The basic idea of data de-duplication is simple. Blocklets looks for repeated patterns and when it finds them, it stores unique elements only once. The basic idea is shown by imagining how you could store all the data you need to sing a common children’s song—one with lots of repetition. You could write everything over and over, and take up lots of space—or you could write the common elements once, along with a notation system to show you where to introduce the unique features. That’s what Blocklets de-duplication does to the data it sees—it finds repeated patterns using patented technology, and stores only the unique elements. And it finds the repeated elements wherever they are: inside one file, in a different file, in a different type of file. The same patterns are seen across various file types. Old_MacDonald.xls Old_MacDonald.pdf Old_MacDonald.ppt Old_MacDonald.doc © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

It’s Like Compression—But 10 to 20 Times More Powerful
Finds repeated small elements (a few Bytes) within a file sub-section Example: “(6*0)” instead of “000000” It stores unique elements, pointers & an index for each sub-section Typically achieves 1.5:1 to 2:1 improvement Example: 50 copies of 10 MB PPT occupy 50 x 10 MB = 500 MB; Compressed at 2:1 they occupy 250 MB Variable-Length Data De-duplication—Blocklets™ Finds repeated large elements (over 1 kB) inside a file and across different files Stores unique elements, pointers & an index for the entire disk Can achieve 10x, 20x, 40x or more capacity improvements Example: 50 copies of 10 MB PPT with Blocklets™ might occupy 5 MB! More powerful than single instance store because it operates at a sub-block level Example: 50 10MB PPTs with only a different title slide Single Instance Store products store 50 separate files Blocklets stores 50 title slides and one copy of the other 49 The technology builds on the basic technology used for file compression—like WinZIP or the compression algorithms used on disk or tape drives today—and dramatically increases its power. Compression finds patterns inside subsections of files at the level of a few Bytes. Instead of storing the same data over and over, it stores an element once, then stores a pointer to it when it sees it again. Our example changes six 0s to one zero and a direction to repeat it six times. Compression can also find more elaborate repeated pattern—it store the data once, then pointers to it. Compression works on a small scale and it has a short memory—its index only works for a small subsection. Blocklets de-duplication technology uses a similar idea but enlarges it. It finds larger patterns—usually more than a kiloByte—it can see them anywhere in a file and across mulitple files, and it has a great memory. If it sees the same pattern a month or a year later, it remembers that it has already stored the data and doesn’t have to store it again. De-duplication also bears some similarity to Single Instance Store products (like Centera), but again is much more powerful. Single-Instance Store technology is limited to a file level—if any part of the file changes, the entire file is “new”. Blocklets operates at a sub-block level--if only 5% of a file changes, Blocklets-enabled solutions only have to store the new content within the file. If 5% of the data in a file changes, that could easily make Blocklets 20 times more powerful than any file-based system. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

How Does It Work? Finding Natural Data Boundaries
Using conventional fixed sized blocks Input “now is the time” using 4-character blocks “now ”, “is t”, “he t”, “ime.” -- 4 unique blocks Add “s” to get “snow is the time” “snow”, “ is “, “the “, “time” new and different blocks Two phrases = 8 unique blocks Using variable-length Blocklets™ Input “now is the time” using “space” as natural boundary “now”, “is”, “the”, “time” -- 4 unique blocks “snow”, “is”, “the”, “time” … only one new and different blocklet: “snow” Two phrases = 5 unique “Blocklets” What do we mean by a natural boundary and why is it powerful? This example illustrates the principle—although it’s important to realize that this only an analogy. Blocklets generally operates on larger data blocks and the natural boundaries are not related to specific content. With conventional systems for dividing data sets into blocks, the divisions are arbitrary. Imagine a fixed, 4-charaacter block system and how it would divide the phrase “now is the time”. It would find four blocks with the divisions shown. If we made a small change—here we’ve added the letter s to make the phrase “snow is the time”. The fixed block approach now finds four new, completely different blocks. Two phrases, 8 blocks. If we used the Blocklets approach, though, we get a very different result. Here we use the space character as our natural boundary, so we initially get four blocks of different lengths. When we add the new letter, because we’re still using natural boundaries formed by the spaces, we recognize that 3 of the groupings are the same. So our two phrases are recognized as representing only 5 unique blocks. This ability to recognize the same elements no matter where they are in a file—to find them in different files and in different kinds of files is the patented technology that gives Blocklets its power. With data sets like backup, where there is a high rate of redundancy, the effect is magnified. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

How Does Blocklets Work? Technology Overview – Blocklets De-duplication
File A File A = R, G, Y, B, P, O, G, B, Y, R, O Blocklets™ looks at a stream of data and it identifies a sequence of unique blocks—Blockets—in it. These blocks are of variable length, and they are based on data dependent patterns within the data set. Blocklets can find those same patterns again and again, in different places, different files, different locations, and contexts. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

How Does It Work? R G Y B P P O G G B B Y Y R R O O File A
File A = R, G, Y, B, P, O, G, B, Y, R, O Then, Blocklets creates a file list. Simply the file we started with and the sequence of Blocklets needed to write it--the same kinds of pointers used in compression or in snaps shots. In this example, letters are used to stand for the unique Blocklets. R = red, etc. Notice that there are repeated Blocklets inside the file. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

How Does It Work? R G Y B P P O G G B B Y Y R R O O File A
File A = R, G, Y, B, P, O, G, B, Y, R, O When you want to store that file, instead of storing everything, the unique Blocklets and the sequence of pointers are stored. In this case less than half the disk storage space is used than would have been if creating a conventional file store on a conventional disk. The amount of data de-duplication when a file is seen the first time is highly variable and it depends on the kind of data. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

How Does It Work? R G Y B P P O G G B B Y Y R R O O R G L L O B A A Y
File A R G L L O B A A Y G B Y File B R G File B = R, G, L, O, B, A, Y, G, B, Y Y B O P File A = R, G, Y, B, P, O, G, B, Y, R, O When we see a second file—file B—Blocklets looks at its data and it finds the same patterns in it. Blocklets determines that most of the patterns it has found are ones it has seen before. In fact, there are only two new, unique elements—the light green (L), and the aqua (A). So when this file is stored, only those new unique elements are stored, along with the file list. The ability to find the same patterns in different files, in different kinds of files, at different times, is the power of Blocklets. The advantage continues as more files with duplicate elements are added. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

To Read A File… R A Gr B A Y G B Y Y R R G Y B O P L A Gr File C
File A = R, G, Y, B, P, O, G, B, Y, R, O File B = R, G, L, O, B, A, Y, G, B, Y File C = R, A, Gr, B, A, Y, G, B, Y, Y, R File D = R, G, W, O, B, A, Y, G, B, R File E = R, G, Y, B, P, O, G, B, Y, R File F = R, A, Gr, B, A, Y, G, B, Y, G, R To read a file from the Blocklets file store, the process is performed in reverse —the file list is viewed and the Blocklets are read in sequence. The technology is similar to what happens in snapshots or in compression, where systems “duplicate” data by creating pointers to sections of the data instead of copying all of the actual data itself. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Tradition Backup to VTL or Tape
BACKUP DATA Traditional backup to VTL or tape with no compression. In this example full backup are done daily. The primary data size grows day by day over five days. Day 1 Day 2 Day 3 Day 4 Day 5 VTL or Tape © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Basic Example of Blocklets
BACKUP DATA Big Savings! With Blocklets only the incremental data for each day is stored. Day 1 Day 2 Day 3 Day 4 Day 5 DXi3500/DXi5500 © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

With Blocklets and Compression
Versus BACKUP DATA Blocklets Optyon De-duplication using Blocklets followed by compression creates the smallest possible data size. Blocklets and compression combine to enable smaller environments, smaller bandwidth between sites, and less time for backups. Incremental Changes Blocklets and Compression VTL or Tape © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Power Extends To Data Movement
File C: No Data De-duplication WAN In conventional data movement without de-duplication, all the data in a file is moved over the network. Conventional File Store With conventional protocols and file stores, all the data needs to be moved. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Power Extends To Data Movement Blocklet™ Protocol Saves Time & Money
File C R A Gr Gr B A Y G B Y Y R Step 1: A list of unique Blocklets is sent and compared to Blocklets index File C = R, A, Gr, B, A, Y, G, B, Y, Y, R R, A, Gr, B, Y, G, WAN Step 2: Only unique data Blocklets are sent and the complete file list L G B R O Y L A With the Blocklets Protocol, users save time and reduce the cost of bandwidth. File movement uses the same Blocklets principles, operating in two stages. When you want to move a file to a remote target, Blocklets first sends a list of the unique blocks in the file. The Blocklets target tells it which Blocklets need to be sent—in this case just the grey block. So only the block needed is sent, and the file list. With Blocklets Protocol and Blocklet File Store, only unique elements need to be moved Blocklets™ File Store © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

How DXi uses O B P R G Y Data is sent via SAN interface from primary/secondary disk to DXi target DXi receives data and starts data reduction process, which is queued in cache as a background process1 Once data is reduced, metadata is written to blockpool and Blocklets are compressed using Optyon adapter1 Data appears native to initiators. (Only DXi-DXi replication is reduction-aware) Data stored with metadata pointers to de-duplicated data Reduced and compressed data written to DXi target 1 Blocklet compression is optimized for Optyon © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Winzip of that same Directory
De-Duplication is Significantly More Powerful Finds duplicate data scanning an entire file rather than being limited to a file subsection Will seek and can take advantage of duplicate data within compressed files Can achieve a significantly higher physical disk space savings than compression Quantum Advantage Original Megabytes WinZip of original 1.8 : 1 Blocklets de-duplication technology uses a similar idea to compression but builds on it. It finds larger patterns—usually more than a kilobyte—it can identify them anywhere in a file and across multiple files, and it has a great memory. If it sees the same pattern a month or a year later, it remembers that it has already stored the data and doesn’t have to store it again. 3:1 8:1 9:1 Raw Directory / De-dupe Winzip of that same Directory De-Dupe then Compression © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Single-Instance Store
(part 1 of 2) Single-instance stores operate on the file level. Example: One 12MB PPT file is sent as an attachment to 5 different people Single Instance Store products recognize that the files are identical and store only one copy … just like Blocklets will do. Both storage methods are able to rapidly retrieve the original file BUT… 5 Copies of the Same File Megabytes De-duplication also bears some similarity to Single Instance Store products, but is much more powerful. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

De-Duplication is Significantly More Powerful
(part 2 of 2) De-Duplication operates at the sub-block level Example: Same five 12MB PPTs with only a different title slide in each version Single Instance Store products now must store 5 separate files De-duplication stores 5 title slides and one copy of the remaining slides Both storage methods are able to rapidly retrieve the original file but de-duplication requires less disk space to store the files. 5 Slightly Different Files Megabytes Single-Instance Store technology is limited to a file level—if any part of the file changes, the entire file is “new”. Blocklets operates at a sub-block level--if only 5% of a file changes, Blocklets-enabled solutions only have to store the new content within the file. If 5% of the data in a file changes, that could easily make Blocklets 20 times more powerful than any file-based system. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Conventional Backup DAY 5 DAY 4 DAY 3 DAY 2 DAY 1
Daily Backup Requirements Conventional Backup Environment -records full image every time DAY 5 DAY 4 DAY 3 DAY 2 DAY 1 © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Data De-Duplication Simplified
Daily Backup Requirements Actual Change Intelligent Backup Environment -records full image but writes only change. DAY 5 DAY 4 DAY 3 DAY 2 DAY 1 © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Source of De-duplication Ratios Retention Policy Builds the De-duplication Ratio
Cumulative Blocklets Cumulative Unique Full Created from Blocklets Blocklets De-dup Backup Backup Saveset Protected Stored Ratio #1 4 blocklets created 4 protected 4 stored 4 : 4 (1:1) … Some files are changed and blocklet R is replaced by blocklet P #2 4 blocklets created 8 protected 5 stored 8 : 5 … Other files are changed and blocklet B is replaced by blocklet O #3 4 blocklets created 12 protected 6 stored 12 : 6 (2:1) The first Backup had zero de-duplication. The retention policy increases the de-duplication ratio R G Y B P G Y B Best viewed in presentation mode P G Y O © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Replication

Applying De-duplication to Replication
Remote replication can be difficult for primary data Data must be quiesed and re-synchronized at a specific point-in-time Involves application, server, storage Complex, manual process to setup and manage Backup data is a natural replication candidate Backup process ensures that data is quiesced, available and recoverable at a specific, defined recovery point But backup volumes are large and WAN bandwidths are limited Replication has been a challenge for backup Remote replication of data between sites is a difficult issue for many IT departments. Replicating primary data tends to be a complex operation, in which applications have to be quiesced, data captured at one point in time, and then the data has to be re-synchronized to keep the application operating. The steps involve the application, the server, and the storage system, and it is typically a time-consuming, manual process to manage. Because it is static, with no direct connection to primary applications, backup data is a very good candidate to use for a replication strategy. The backup application has already created the point-in-time data set and has dealt with primary application interface issues. The problem with using backup data for replication is that the amount of data involved and the cost of bandwidth has kept it impractical, and virtually no one replicates their backup data over WANs. DXi appliances and their replication option solve this problem. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

DXi-Series Provides DR by Making Remote Replication Practical and Easy
Quantum’s de-duplication increases effective WAN bandwidth up to 50 times or more by eliminating the need to send redundant blocks DXi-Series replication is automated, asynchronous background operation Intuitive GUI-based set-up & management De-duplicates data across multiple sites Provides bi-directional protection—units can be both source and target Replication target can also provide local backup The DXi appliance replication process makes WAN based DR practical by using data de-duplication technology to reduce the bandwidth needed to copy backup datasets between sites. The principle is easy: If a block has already been sent to the target remote device, the block is not sent again. The replication provides a way of linking backup data between multiple sites, allowing remote management of backups, and providing a fully automated DR protection procedure. DXi appliances replicate data automatically in background mode over the network with small amounts of data being sent continuously. The data is automatically encrypted as it leaves the source and de-crypted when it arrives at the target to provide secure transmission. The DXi replication provides a wide range of flexible configuration options. Any DXi appliance can act as source or target for any other model. Multiple sources can be replicated to a single target, and de-duplication will occur between units. In other words, if a block has been sent to the target from Site A, when the same block shows up in a backup at Site B, the block does not have to be sent to the target again—only a pointer is sent. (At launch the maximum number of sources that can share one target is four.) (How is this parallel de-duplication accomplished? As part of the de-duplication process each block is given a signature. Before it sends the actual blocks, the source sends a list of the signatures it is ready to send to the target—the target tells the source which blocks it already has, and the source only sends the new ones.) Two DXi appliances can be used to provide bi-directional replication. That is, Unit A can replicate one or more of its partitions or shares to Unit B at the same time that Unit B replicates one or more of its partitions or shares to Unit A. DXi appliances can also multi-task—the same unit that is serving as a target for replication can also perform local backup. Tape creation at either the source or the target is supported. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

IP Based Replication for VTL and NAS
Many to One Replication Data blocks are moved automatically, asynchronously in background using IP WAN networks Utilizes De-duplication to reduce data transferred Data in transit is encrypted/decrypted automatically using 128-bit SHA-AES Units can replicate bi-directionally and multi-task—act as target and perform local backup 4 to 1 Initially available © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

How does it work? With DXi-Series Replication only unique elements need to be moved WAN Source DXi-Series Appliance Target DXi-Series Appliance Step 1: A list of unique elements is sent and compared to target DXi-Series Appliance Step 2: Only unique data blocks are sent and the complete file list © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Replication made simple
Easy to configure for both VTL and NAS shares Pick which individual partitions you want to replicate Replication can be scheduled for daily operation © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Making Backup Replication Practical A Simple Example
60 50 40 30 20 10 Replicating 1 TB over a T-3 Line At 5 MB/sec, it would take 50 hours to move a 1 TB backup using a T-3 line—every time Hours to Move 1 TB Backup Bandwidth & Time Savings Assuming a 3:1 Blocklets de-duplication, the first backup set is moved in 17 hours An interesting implication of Blocklets is that the de-duplication, in addition to getting much more leverage from disk, also provides leverage for replication. Since backup tends to involve large data sets, moving it over networks between different sites is not very practical except in unusual circumstances. Blocklets changes that. This example shows how powerful the effect is. Moving a TB of data over a standard T-3 line—assuming 5 MB/sec throughput—would take 50 hours. And every time the data was replicated, the time required would be the same. It’s not practical to do it. When you move de-duplicated data, we immediately cut the task by two-thirds—assuming our average 3:1 advantage. That’s better, but the real power is on subsequent jobs. Here, assuming that only 10% of the data changes, and that data can be de-duplicated, it could easily take less than an hour to replicate all the changes—and to have the equivalent of a full backup at a remote site. So we’ve moved from a task—replicating a 1 TB backup job—that is not practical to carry out at all, to accomplishing the same end in less than an hour—a task that could be accomplished every day if you wanted to. If 10% of the files change, each subsequent move could take less than an hour. Number of Replication Operations Conventional Transfer Blocklets Data Transfer © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Tape Creation at Target Site
Replication to Tape After replicating to the central site Use the backup software to clone data to tape © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Configuration / Administration

Easy to Use Web Interface
All administration is accessed through Secure Web GUI Configure VTL, NAS Shares, replication and alert notification View hardware, replication, VTL performance status Apply new firmware and view event logs Administrator and Monitor roles with SSL support option Zero command line intervention required © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Interface d’administration

Fits Many Environments
Interface options make DXi-Series appliances easy to install & share VTL iSCSI NetWorker NFS Tivoli Storage Manager CIFS Backup Exec VTL FC NetBackup Support NAS and iSCSI or Fibre Channel VTL interfaces simultaneously Consolidate multiple Backup Environments Use native software Tape Library and Backup to Disk tools © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

NAS: Direct Network Interface
NAS connection allows direct LAN attach Directly shared by all media servers Fast, easy to install in existing networks Seen as NFS or CIFS by backup software Choice for systems with few media servers, LAN-based data sets The NAS backup interface allows the DXi appliance to be connected directly as a network resource to the LAN. That means that it can be directly shared between any media servers with LAN connections. The NAS interface makes DXi appliances fast and easy to install in existing networks without requiring major changes to network infrastructure or re-configuring servers The backup application writes the backup to a NAS share through a NAS file system interface—it shows up as an NFS (Unix) or CIFS (Windows) mount point. With DXi appliances, users get the benefit of using the backup application’s D2D features, and adds to them the value of data de-duplication. The NAS interface makes sense in all kinds of environments. Sites that use NAS storage devices are one example, but a DXi appliance with a NAS is also an easily deployed backup resource for any network environment with data that needs backing up. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

NAS: Direct Network Interface
NAS connection allows direct LAN attach via CIFS and NFS Designed to support native backup to disk tools including: CA BrightStor ARCserve Disk Staging Backup Commvault Galaxy Disk Option EMC NetWorker Disk Backup Option (DBO) Symantec Backup Exec Backup to Disk (B2D) Symantec NetBackup Disk Storage Unit (DSU) Disk Staging Storage Unit (DSSU) Backup Server NAS (Network Attached Storage) CIFS or NFS IP Network File Protocol DXi-Series NAS Share © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

NAS Configuration Simple NAS configuration
Includes share type, permissions and environment parameters © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

CIFS Permissions / Access Control
Can be configured as Workgroup or part of an Active Directory When running in a workgroup additional users can be configured to limit access © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

NAS Configuration Consolidated view of all configured NAS shares
Including access rights, export type and if de-duplication is enabled © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

VTL: Flexible, High Performance
VTL presentation with choice of Fibre Channel or iSCSI interface Up to 16 logical libraries, 64 drives, 3200 virtual tapes Looks like tape library to backup software Choice for high performance SAN environments Variable Cartridge Sizes 5GB to 2TB SAN (Storage Area Network) Fibre Channel or iSCSI SAN SCSI Protocol DXi-Series VTL Partition Backup Server © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Configuring Virtual Tape Libraries Made Easy
16 Virtual tape libraries or “partitions” available Each partition is addressed as a separate VTL Dedicated drives and tape cartridges Configure De-duplication per partition Simple view of unassigned drives and cartridges Configure each partition based on needs to help consolidation © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

VTL Performance and Status
Single page view performance on each configured VTL partition This is includes both ingest and restore numbers © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Additional VTL Information
Single view of capacity statistics and usage per VTL partition © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Better Resource Utilization
Hosts Up to 64 virtual drives with 800GB/hr shared performance Better resource utilization— DXi-Series can look like a few drives or many depending on backup needs © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Management and Notification

Single View Hardware Status

Notification Ability to add recipients or groups for each aspect of the appliance based off company polices and practices Can also be configured to send notification back to Quantum helpdesk © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

SNMP Alerts © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Conclusion

Easy to Install, Share, and Manage
DXi-Series Appliances protect user investment in applications and processes Work directly with all leading backup software Benefit begins with single site installation No infrastructure change required Intuitive GUI makes configuration, management, alerting simple Supports centralized management of remote devices Interface options make DXi-Series appliances easy to install & share Support NAS and SAN VTL interfaces simultaneously The Quantum DXi-Seires appliances were designed to bring the power of data de-duplication to IT departments while protecting their investment in backup applications and processes. The DXi appliances work with all leading backup software applications—and let users change applications easily in the future. DXi appliances can be mixed easily with conventional backup devices, and they provide value for a single site or a single sub-set of user data without requiring new infrastructure investments. The DXi appliances provide an easy to use GUI—it’s the same one we’ve been using on our DX3000 and DX5000 appliances. That approach makes it easy to manage installation, setup, replication, and the monitoring and alerting functions that send data back to the Quantum service team. The DXi interface options make the appliances easy to use in a wide range of environments. The units support both NAS share and virtual tape library (VTL) interfaces, and they offer interconnect choices of GbE, iSCSI, and Fibre Channel. All of these presentations and interfaces can be deployed at the same time in a single unit. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Unified Service and Support
Real-world backup, recovery often need multiple solutions Compact disk systems for midrange and smaller enterprise environments Large-scale disk systems for large enterprises Replication for some distributed environments Tape for backup, retention, large-scale restores DXi series is part of a complete backup solutions set From the leader in backup, recovery, archive Solutions-oriented consultation across technologies Industry leading service and support for all solutions and combinations One of the important facts about the DXi appliances is that they are part of a mature and rich set of other backup products—the broadest set of backup solutions in the industry. We know that different kinds of products and technologies make sense for different environments and Quantum offers the largest range of solutions quite literally in the world. What that means is that when a users’ environment calls for much larger enterprise disk systems or libraries, we have the experience to know that and the products to meet customer needs. This range of products allows Quantum to provide objective advice about the best solution for a specific environment, and it is a contrast to other suppliers that have the bias that comes from a narrow product line. As the leader in backup, recovery, and archive solutions, Quantum can also supply a single point of contact for proven, award-winning service and support for the whole range of an end user’s backup needs. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

The Quantum Advantage Quantum integrated software layer provides highly differentiated, high performance solution set Patented de-duplication technology High-performance, embedded file system In-line compression technology Asynchronous replication approach Flexible, high performance VTL interface Technology links between solutions and service Uniquely scalable technology Next generation will link to larger Enterprise products Will leverage multi-tier policy engine, data mover technology In developing the DXi appliance family, Quantum leveraged the Company’s new integrated software layer to provide a combination of enterprise backup performance and industry-leading functionality. This core set of advanced software elements includes patented de-duplication techniques, high performance file-system technology, in-line compression techniques, an asynchronous replication application, and built-in monitoring, alerting and diagnostic tools. Quantum’s integrated software layer gives the DXi appliances their power, but it also provides a foundation for a new generation of intelligent backup, recovery and archive solutions that will improve data protection for a broad range of customer environments from small remote offices to large enterprise data centers. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

Quantum’s DXi Series Backup and Remote Replication Solutions Expand Disk’s Role
Allow disk to play larger role in backup strategy Retain backup longer on fast recovery media by increasing disk capacity and recovery points Enable automated DR protection by reducing bandwidth and providing WAN-based replication Leverage Quantum technology synergies for industry leading performance and integration levels Make disk easy to install, share, and manage Unified support of your complete backup solution by Quantum, global leader in backup, recovery, archive Summary: The DXi-Series disk backup and replication appliances represent a major step forward in the ways that disk can be used to support backup. They use Quantum’s data de-duplication technology to expand the amount of backup data users can retain on fast-recovery RAID systems by 10 to 50 times. The result is a cost-effective way for IT departments to store backup data on disk for months instead of days, providing high speed, reliable restores, increasing available data recovery points, and reducing media management. For disaster recovery in distributed environments, the DXi-Series appliances make automated, WAN replication practical by dramatically reducing the bandwidth required to move backup data securely between sites. And they leverage Quantum’s integrated software layer to provide a best-in-class combination of features and performance. DXi-Series solutions are integrated appliances that are easy to install and use with all leading backup applications. They provide flexible, easy-to-use interface options including NAS, virtual library or mixed presentations along with Fibre Channel and iSCSI connectivity. DXi-Series appliances are part of a comprehensive set of backup solutions, serviced and supported by Quantum, the leading global specialist in backup, recovery, and archive. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

DXi3500 & DXi5000 DXi3500 From 1.2To to 4.2To Up to 210To with deduplication* DXi5500 From 3.6To to 10.8To Up to 540To with deduplication* Up to 290Go/h Native 2 ports Gigabit iSCSI FC Configuration : 2 ports 2Gb/s From 1 to 32 virtual tape drives ( DLT-LTO) Connectivity: VTL (iscsi / FC) & NAS (NFS et CIFS) From 1 to 8 virtual tape libraries From 1 to 1600 virtual tapes Protection RAID5 Up to 800Go/h 2 ports Gigabit iSCSI natif FC Configuration : 2/4 ports 2Gb/s From 1 to 64 virtual tape drives ( DLT-LTO) Connectivity: VTL (iscsi / FC) & NAS (NFS et CIFS) From 1 to 16 virtual tape libraries From 1 to 3200 virtual tapes Protection RAID5 + Spare De-duplication & replication Intuitive Administration 500Go / 750Go SATAII hard disk Redundant & Hot-swap components StorageCare Guardian + several service coverage offer * 50:1 Ratio, variable on data type © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only. © 2006 Quantum Corporation. Company Confidential. Forward-looking information is based upon multiple assumptions and uncertainties, does not necessarily represent the company’s outlook and is for planning purposes only.

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Quantum DXi-Series Distributed Backup and Replication Appliances

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