1. 1 © Copyright 2010 EMC Corporation. All rights reserved. EMC Centera Technical Review

2. 2 © Copyright 2010 EMC Corporation. All rights reserved. EMC Centera for Information Governance and Compliance  “Purpose-built”, active archiving platform –>5,500 customers and >370 PB shipped –>11,000 systems shipped  Assured content authenticity and online access  Highly available, high performance –Five-9s: No single point of failure  Integrity protection at all levels –Continuous disk scrubbing –Multiple file protection –Self-healing: files, data bases, disks Storage Costs Information’s Business Value

3. 3 © Copyright 2010 EMC Corporation. All rights reserved. EMC Centera—An Archive Solution  Content authenticity ensures: –Internal storage—content/data faults detected and automatically healed –Network transmissions—transmission errors detected and transfer repeated  Easy to manage –Administrators can manage up to 50 times greater quantity of content  Works with any application or any platform –Centralize archive silos from multiple data repositories –Enable thousands of users to share single multi- application repository  Helps meet governance and compliance requirements Low TCO Content Authenticity Easy to manage

4. 4 © Copyright 2010 EMC Corporation. All rights reserved. ARCHITECTURE Redundant Array of Independent Nodes (RAIN) Centera node  Storage nodes/access nodes  2.8 GHz P4 processor  1024 MB DDR RAM  Four - 1 TB or 2 TB SATA-II  Two 1 Gbit network-interfaces  One 1 Gbit to outside LAN (copper/optical)  A node can be in one of 3 modes –Access node –Storage node –Access/storage node Centera network  Dual 24-port cube switches  Gigabit Ethernet connections to facilitate additional cubes  Redundant connection to each node Extreme scalability  Massive parallel processing  Add storage: processing power, memory, bandwidth 16-node cube Four node 2 cubes/ cabinet Multiple cubes form a single cluster

5. 5 © Copyright 2010 EMC Corporation. All rights reserved. Objects have metadata Centera Stores and Retrieves Objects  Applications create metadata associated with one or more objects  Objects are stored independent of volume/directory information ARCHITECTURE name date photo

6. 6 © Copyright 2010 EMC Corporation. All rights reserved. Centera Requires No Backups Centera  Dramatically reduces opportunities for errors to affect data access or authenticity  If an error occurs, it can be discovered and healed How?  Fixed content prevents data overwrites by applications  Content authenticity, independent copies, self-monitoring, self-healing –Detection and healing of bad disk blocks –Content regeneration from loss of entire disk –Detection and healing of FS errors –Content regeneration from total loss of FS Limited configuration  Human error cannot affect the archive filesystems or disks –No active management of these resources ARCHITECTURE

7. 7 © Copyright 2010 EMC Corporation. All rights reserved. FailureDetectionRemedy Centera Failure and Self-Healing Model ARCHITECTURE Node failure Full disk failure Database failure Block failure Filesystem failure Network failure Software failure Presence of node Presence of disk Database health Read/write errors Disk scrubbing Blobs Metadata Blocks Connectivity Software heartbeats Regenerate node Regenerate disk Regenerate database Regenerate blob Regenerate filesystem Restore data Alert EMC

8. 8 © Copyright 2010 EMC Corporation. All rights reserved. Duplicate information stored only once. Regardless of how many copies of an object are sent to the Centera, the object is only stored a single time. ARCHITECTURE Single Instance Storage song G

9. 9 © Copyright 2010 EMC Corporation. All rights reserved. Application stores Content Address for future reference Centera performs content address calculation and sends address back to application Application server sends object to Centera over IP network Object is created and sent to application server LAN CA Content Address 10001010  Digital fingerprint  Globally unique  Location- independent Content Address algorithm 10111011 ARCHITECTURE How Centera Works: Application Example

10. 10 © Copyright 2010 EMC Corporation. All rights reserved. Network switch Dual, self-managed private LAN Redundant power Cube-switch Storage nodes Storage nodes Access/storage nodes Access/storage nodes Content Protection Mirror ARCHITECTURE            

11. 11 © Copyright 2010 EMC Corporation. All rights reserved. Network switch Dual, self-managed private LAN Redundant power Cube-switch Storage nodes Storage nodes Access/storage nodes Access/storage nodes ARCHITECTURE Content Protection Parity

12. 12 © Copyright 2010 EMC Corporation. All rights reserved. Network switch Dual, self-managed private LAN Redundant power Cube-switch Storage nodes Storage nodes Access/storage nodes Access/storage nodes              ARCHITECTURE Regeneration—Self-Healing! 

13. 13 © Copyright 2010 EMC Corporation. All rights reserved. Centera Monitor  Web-based (J2EE)  Properties view  Alert views—current and historic  Performance/event views  Capacity—current and historic  Trending MANAGEMENT

14. 14 © Copyright 2010 EMC Corporation. All rights reserved. No complex storage area networking management No LUN/RAID Group carving or allocation No file system management  Investment protection—multi-generation hardware support  One addressable pool—ingestion machine for content  Constant validation of content objects and structures Centera: Low TCO MANAGEMENT

15. 15 © Copyright 2010 EMC Corporation. All rights reserved. Multiple “Virtual Pools” in One Physical Cluster CDF Blob Pool 1 Application Pool 1 Pool 2 Application Pool 2 Pool 3 Application Pool 3 Default Pool MANAGEMENT

16. 16 © Copyright 2010 EMC Corporation. All rights reserved. EMC Centera Anywhere, any time, any application, from virtually any platform EMC Centera API NFS/CIFS XAMFTP HTTP Emulation New MANAGEMENT Universal Access Makes Archiving Easy

17. 17 © Copyright 2010 EMC Corporation. All rights reserved. MANAGEMENT Centera Viewer

18. 18 © Copyright 2010 EMC Corporation. All rights reserved. Centera Console EMC Centera Console is a web-based user interface which enables administrators to monitor their EMC Centera environment. It can be used to:  Monitor EMC Centera alerts  View capacity and performance data in real time or over a defined period  View replication topologies and status  Check the progress of self-healing tasks  Export data to comma-separated-value (CSV) and HTML file formats MANAGEMENT

19. 19 © Copyright 2010 EMC Corporation. All rights reserved. 4-node Centera Nondisruptive Scalability—Self Configuring! IP Address Rack 1 Lower cube Upper cube Root switches SCALABILITY Rack 2

20. 20 © Copyright 2010 EMC Corporation. All rights reserved. Information Policy Mgmt across a large virtual archive. Serving up authenticated & secure information wherever needed. Allowing Content to migrate freely in and out of the archive. SCALABILITY Centera Virtual Archive—Vision

21. 21 © Copyright 2010 EMC Corporation. All rights reserved. SCALABILITY Virtual Archive Centera Virtual Archive: Breakthrough Technology  Ultimate scale, without disruption –Seamlessly aggregate multiple clusters –Virtualize new and existing clusters –Increase single view capacity (PBs)  Improved manageability at scale –Applications interact with a single virtual environment –Retrieve objects stored on any cluster –Better resource utilization of available capacity  Eliminate geographic boundaries –Overcome the limitations of space and distance

22. 22 © Copyright 2010 EMC Corporation. All rights reserved. Centera Virtual Archive 1.0  Life time of a digital archive far exceeds the life of a computer technology; hardware, software or architecture –Centera/VE is software, hardware and architecture agnostic –Older and newer technology live concurrently in a Federation –Seamless CAS functionality for different technologies in one digital archive –Support for different Software versions Technology agnostic Advancing the abstraction of archive implementation SCALABILITY Virtual Archive Federation Gen2/Gen3 CentraStar 4 Gen4 (LP) CentraStar 4 GenX CentraStarX ? Centera Virtual Archive software

23. 23 © Copyright 2010 EMC Corporation. All rights reserved. Centera Virtual Archive 1.0  Install the Centera cluster  Install the Virtual Archive software  For replication, install the target site in the similar way and enable replication  The application is communicating directly with the Virtual Archive software installed on the new cluster  Virtual Archive will redirect any traffic to the existing cluster as needed SCALABILITY Adding Virtual Archive to an existing cluster Centera Virtual Archive software

24. 24 © Copyright 2010 EMC Corporation. All rights reserved. SourceTarget  Replicate all Virtual Pools  Pools and replication  Replicate selected Virtual Pools Pool 1 Pool 2 Pool 3 Pool 1 Pool 3 Pool 1 Pool 2 Pool 3 Distributed Content for Business Continuity and Disaster Recovery AVAILABILITY

25. 25 © Copyright 2010 EMC Corporation. All rights reserved. A study by the University of Texas reveals that only 2% of companies suffering from a catastrophic data loss survive after one year. The ability to resume normal operations and productivity rapidly is a critical business requirement. AVAILABILITY Centera Replication  Asynchronous over IP  Unlimited distance  Unidirectional, bidirectional, chain or star  Ability to “pause” replication  No host or human resources  People are not duplicating optical platters or worm tapes  The same content address exists in both clusters Router Application server LAN Router Application server LAN

26. 26 © Copyright 2010 EMC Corporation. All rights reserved. COMPLIANCE Centera and Compliance Centera Basic  Provides all functionality without enforcement of retention periods Centera Governance Edition  Process-centric on the lifecycle of electronic records and enabling policies and technologies  Restricts the retention and deletion of data but does not conform to SEC regulations  Suitable for most regulations Centera Compliance Edition Plus (CE+)  Designed for the strictest of regulation requirements, specifically SEC 17a-4  Restricts the retention and deletion of data according to SEC regulations

27. 27 © Copyright 2010 EMC Corporation. All rights reserved. CentraStar provides both fixed and variable retention periods, along with an on-demand legal-hold facility C-Clip Created Time Event fixed retention event-based retention delete allowed event not specified C1 event not specified C2 fixed retention event-based retentionevent not specified C3 delete allowed fixed retention delete allowed C0 Set litigation hold Remove litigation hold COMPLIANCE CentraStar: Guaranteed Object Lifetimes

28. 28 © Copyright 2010 EMC Corporation. All rights reserved. Centera—Meeting the Needs of Today’s Production Archives  Centera delivers: –A multibillion object, long-term archive –Sub-second time to first byte –Assured lifetime content authenticity –Bulletproof content protection –Five-nines availability –Low TCO  Defacto standard: –Healthcare and e-mail archiving

29. 29 © Copyright 2010 EMC Corporation. All rights reserved.

30. 30 © Copyright 2010 EMC Corporation. All rights reserved. Archives are Complementary to Backup BackupArchives Copy of informationPrimary information Used for recovery operationsAvailable for information retrieval Improves availability by enabling application to be restored to a point in time Adds operational efficiencies by moving fixed/unstructured data out of operational environment Typically short term: days or weeks Typically long term: months, years, even decades Data overwritten on periodic basis: daily, weekly Data retained for analysis or compliance

31. 31 © Copyright 2010 EMC Corporation. All rights reserved. Centera Viewer