1. 1 © 2009 DataCore Software Corp. All rights reserved TECHNICAL HIGHLIGHTS STORAGE VIRTUALIZATION SOFTWARE TECHNICAL HIGHLIGHTS New releases in Q2 2009: SANsymphony 7.0 SANmelody 3.0

2. 2 © 2009 DataCore Software Corp. All rights reserved 2FEATURE adds adds Virtual Disk Pooling Virtual Disk Pooling 32TB >32TBs … PetaBytes, Tiered Storage Classes, SAN Domains Synchronous Mirroring (High Availability) Synchronous Mirroring (High Availability) HA Pair N+1 redundancy, Tertiary mirror, Alternate replication route, Prioritized order of resynchronization High-speed Caching High-speed Caching IncludedLinear Scaling, QoS control Load Balancing Load Balancing IncludedSupport for high-end, multi-path arrays Thin Provisioning Thin Provisioning Included Choose virtual disk size, serially fill disks, Display real-time usage stats RAID Striping RAID Striping Included Hot spares automatically replace failed drives Virtual Disk Migration Virtual Disk Migration Included + optional migration between physical & VMs Optional pooling of existing disks formatted with Unix & other file systems Online Snapshot Online Snapshot Included Synchronized across groups of virtual disks Continuous Data Protection Continuous Data Protection N/A Separately-priced CDP option Remote Replication Remote Replication IncludedMany-to-many, Group-wide control Analysis & Reporting Analysis & Reporting via Perfmon + optional package Extensive built-in choices + optional package superset Centralized Management Centralized Management Included SAN, Performance, Diagnostics, Associated objects managed as Groups SANmelody SANsymphony

3. 3 © 2009 DataCore Software Corp. All rights reserved Major New Features SANsymphony 7.0 & SANmelody 3.0 now run on Windows Server 2008 (32 & 64-bit) Up to 1 TB Mega Caches per node Advanced Site Recovery [Separately priced SANsymphony option] Automatic Space Reclamation for Thin-Provisioned Volumes Hypervisor migration (P-V-V) [Separately priced Transporter option] Integration with VMware Virtual Center

4. 4 © 2009 DataCore Software Corp. All rights reserved High-Speed Caching Accelerates disk I/O response from existing storage Uses CPUs and memory from general purpose servers as powerful, inexpensive cache Anticipates next blocks to be read & groups writes to avoid waiting on disks SANsymphony SANmelody Speeds up performance New! Up to 1 TB Mega Caches per node

5. 5 © 2009 DataCore Software Corp. All rights reserved Turbo-charged Virtual Disk I/O Cached Array CPU Poll for Input DiskSubsystems Write Coalesce Output from Cache Pre-fetch High-Speed Level 1 Caching Un-cached Array CPU CPU Disk Drive Disk Drive 4000 – 6000 DataCore L1 Cache <20 Array L2 Cache Array L2 Cache 250 – 300 CPU Avg. Response (µS) Cached Array

6. 6 © 2009 DataCore Software Corp. All rights reserved Advanced Site Recovery Choose locations best suited to handle specific DR load Viable with lower speed WAN circuits Built-in central site restoration Universal coverage for heterogeneous scenarios Same automated process for Virtual & Physical systems Spread DR responsibility across multiple smaller sites SANsymphony Optional New!

7. 7 © 2009 DataCore Software Corp. All rights reserved Low Cost Alternative: 1-to-Many DR VM Central IT site HA VM DR Site x Remote Replication Storage Virtualization Thin pipes New!

8. 8 © 2009 DataCore Software Corp. All rights reserved Advanced Site Recovery Central IT site Live(P) Live (S) LiveLive DR(S) DRDR Async Copy HA Optional Hourly Snapshots Transmit Queue Sync Mirror Sync Mirror Mapped (online) Mapped (offline) 1 2 DRCopy Only to restore Transmit Queue Kept current with DR site 3 DR Site x Internet WAN DR(P) New!

9. 9 © 2009 DataCore Software Corp. All rights reserved Thin Provisioning Appears to computers as very large drives (e.g. 2 TB disks) Takes up only space actually being written to Dynamically allocates more real space when required Reduces need to resize LUNs Just enough space, just-in-time SANsymphony SANmelody New! Space Reclamation

10. 10 © 2009 DataCore Software Corp. All rights reserved Guessing on Allocation Leads to Waste Disk 1Disk 2Disk 3 Free Capacity consumed whether used or not! Capacity consumed whether used or not! Few Blocks Actually Written To

11. 11 © 2009 DataCore Software Corp. All rights reserved Waste-Free Thin Provisioning Free 0 2TB Free 0 2TB Free 0 2TB Actual = 0.4TB V Disk 3 V Disk 2 V Disk 1 1TB Expand as Needed No Device Dependency + 2.0TB 6.0TB Physical Disk Pool 0 Virtual Allocation: 0.4TB Time to add more

12. 12 © 2009 DataCore Software Corp. All rights reserved Thin Provisioning Space Reclamation 0 Physical Disk Pool Free 0 2TB V Disk 1 Space previously allocated to deleted file Free 0 2TB V Disk 1 Fill with zeroes Release zero-filled space back to free pool Recover space from deleted files in virtual volumes New!

13. 13 © 2009 DataCore Software Corp. All rights reserved Physical/Virtual to Virtual Disk Migration Quickest way to migrate from one Windows environment to a dissimilar physical or virtual server platforms Source image rapidly available to destination No waiting on lengthy disk-to-disk copies; they occur transparently in background No error-prone conversions DataCore handles differences with the same ease as any other virtual disks Transporter Option SANsymphony SANmelody New!

14. 14 © 2009 DataCore Software Corp. All rights reserved Rapidly Migrate from Physical to Virtual Virtualized Server (Destination) Physical Server (Source) LAN Boot Disk VD1 Copy VD Storage VD1 VD2 VD3 VD4 VD1 VD1 Snap Transporter VM Transporter Agent Agent exports disk image Unique pass-thru technology sees, snaps & copies active source disk Boot copy modified to boot VM Converted disk mounted by destination as boot or data device New!

15. 15 © 2009 DataCore Software Corp. All rights reserved Virtual Disk Pooling Split pool into tiers Create and assign virtual disks of desired sizes Define access rights Share them among clients Expand capacity without downtime Eliminate stranded space Consolidate like or unlike disk resources 32 TB >> Petabytes SANsymphony SANmelody

16. 16 © 2009 DataCore Software Corp. All rights reserved Load Balancing Overcome typical storage- related bottlenecks Spread load on physical devices using different channels for different virtual disks Automatically bypasses failed or offline channels Improve response and throughput SANsymphony SANmelody

17. 17 © 2009 DataCore Software Corp. All rights reserved RAID Striping Circumvents drive failures Spreads I/O across multiple spindles Offloads RAID 0 & 1 Supports popular RAID devices in pool Better protection & performance SANsymphony SANmelody

18. 18 © 2009 DataCore Software Corp. All rights reserved Synchronous Mirroring Real-time I/O replication for High-Availability Eliminates SAN or storage as a single point of failure when combined with multipath I/O drivers Enhances survivability using physically separate nodes Updates two distributed copies simultaneously N+1 Redundancy SANsymphony SANmelody Pair

19. 19 © 2009 DataCore Software Corp. All rights reserved Virtual Disk Migration Transparently move contents from one disk to another Allows non-disruptive hardware disk upgrades for mirrored volumes Clears & reclaims space occupied by original SANsymphony SANmelody

20. 20 © 2009 DataCore Software Corp. All rights reserved Online Snapshots Recover quickly at disk speeds to known good state Eliminate back-up window Provide live environment for analysis, development & testing Keep snapshots in lower tier, thin provisioned storage Capture point-in-time images without tying up much disk space or make complete clones SANsymphony SANmelody

21. 21 © 2009 DataCore Software Corp. All rights reserved Continuous Data Protection & Recovery Dial back to restore an arbitrary point-in-time Logs and timestamps all I/Os No need to quiesce or interrupt applications Return to any point-in-time without taking explicit backups SANsymphony Optional

22. 22 © 2009 DataCore Software Corp. All rights reserved Remote Replication Perfect for disaster recovery or business continuity Only needs a basic IP connection to secondary site Bi-directional Asynchronous Keep distant copies without impacting local performance 1-to-Many Many-to-1 SANsymphony SANmelody

23. 23 © 2009 DataCore Software Corp. All rights reserved SAN-wide Centralized Management Automates laborious, repetitive tasks Intuitive to operate Universal tools work across like or unlike devices Plug-ins for integration into Hypervisor consoles Control and monitor all SAN resources from one console 2 Nodes SAN-wide SANsymphony SANmelody

24. 24 © 2009 DataCore Software Corp. All rights reserved Analysis & Reporting Reveals SAN resource consumption & performance trends Assists with capacity planning, utilization & quality of service decisions Export results to 3 rd party tools for further analysis, charge-back & billing Tracks & charts long-term SAN behavior SANsymphony SANmelody Optional

25. 25 © 2009 DataCore Software Corp. All rights reserved NON-STOP LIGHTNING-FAST WASTE-FREE Storage Virtualization