Tip

Feature/function matrix: Storage virtualization solutions

This is a sample version of a complete feature/function matrix. It is intended to help you quickly sort out various storage hardware and software capabilities. Please note that areas of this sample report are intentionally left blank.

You can purchase the full feature/function matrix separately from the Evaluator Group

    Requires Free Membership to View

store. They are also available to the subscribers of the firm's ES/OL Web accessible database where they are regularly updated.

The Evaluator Group has identified five approaches to storage virtualization. This sample version shows a group of solutions that fit into the "symmetric" or "in-the-data-path" approach to storage virtualization. The complete version of this matrix, only available to subscribers, includes additional approaches or types of storage virtualization.

The five types of storage virtualization:

  • Asymmetric -- Metadata Server

  • Symmetric

  • SAN Storage Manager

  • Server-based

  • Switch-based

  • Storage-system based

Products in this matrix:

  • DataCore SANsymphony

  • FalconStor IPStor

  • Hewlett Packard SANlink

  • StorageTek SN6000

  • VERITAS ServPoint Appliance for SAN

  • Vicom Storage Virtualization Engine

Some of the items included:

  • Copy functions

  • Number of LUNs and clients supported

  • Operating system support

  • Storage subsystems supported

  • Management functions

These sample matrix charts are available here.

Vendor DataCore FalconStor Hewlett Packard StorageTek VERITAS Vicom - -
Product Name SANsymphony IPStor SANlink SN6000 ServPoint Appliance for SAN Storage Virtualiz. Engine - -
Version 5.0 - - - - - - -
Announced November 1999 - - - - - - -
Shipped December 1999 - - - - - - -
Software runs on: Intel Server - - - - - - -
Base operating system Windows 2000 - - - - - - -
Functions - - - - - - - -
Point-in-time copy Yes -- snapshot, clone - - - - - - -
Remote copy -- local (synchronous) Yes - - - - - - -
Remote copy -- remote (asynchronous) Yes - - - - - - -
Support for consistency groups No - - - - - - -
Mirroring supported Yes - - - - - - -
Integrated storage network management No - - - - - - -
Natively controls devices (storage, switches) No - - - - - - -
Dynamic storage allocation by virt eng. Yes - - - - - - -
Tape or disk virtualization Disk - - - - - - -
Performance enhancements Caching - - - - - - -
Support for storage system PIT copy No - - - - - - -
Support for storage system remote copy No - - - - - - -
Policy-based functions Yes - - - - - - -
Charge-back capability Yes - - - - - - -
Dynamic pathing to storage devices Yes - - - - - - -
Storage multiplier quoted (or EG estimate) 10X - - - - - - -
Special software required on client No - - - - - - -
Special HBA required for client No - - - - - - -
Number of LUNs supported 256 per SDS HBA - - - - - - -
Number of clients supported No limit - - - - - - -
Number of client HBAs supported No limit - - - - - - -
Number of storage LUNs supported 256 - - - - - - -
SNMP reporting Yes - - - - - - -
In-band management Yes - - - - - - -
Out-of-band management (IP) Yes - - - - - - -
Support for 2Gbps Fibre Channel Yes with HBA - - - - - - -
Non-disruptive code update Yes (with paired SDS) - - - - - - -
Third-party copy support - - - - - - - -
- - - - - - - - -
- - - - - - - - -
- - - - - - - - -
- - - - - - - - -
- - - - - - - - -
- - - - - - - - -
Operating system support - - - - - - -
AIX Yes - - - - - - -
HP-UX Yes - - - - - - -
Linux Yes -- RedHat - - - - - - -
Novell Yes - - - - - - -
Solaris Yes - - - - - - -
Tru64 UNIX Yes - - - - - - -
Windows 2000 Yes - - - - - - -
Windows NT Yes - - - - - - -
IRIX Yes - - - - - - -
- - - - - - - - -
- - - - - - - - -
Storage systems supported - - - - - - - -
CLARiiON Yes - - - - - - -
Compaq MA/EVA Yes - - - - - - -
EMC Symmetrix Yes - - - - - - -
Hitachi 9200 Yes - - - - - - -
Hitachi 9900 Yes - - - - - - -
HP VA Yes - - - - - - -
IBM ESS Yes - - - - - - -
LSI 4774/4884 Yes - - - - - - -
Sun T3 Yes - - - - - - -
XIOtech Yes - - - - - - -
JBOD Yes - - - - - - -
- - - - - - - - -

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To view all Storage Evaluator analyses and commentaries, go to Storage Evaluator tips.

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Complete definitions and examination of storage virtualization solutions are given in the Evaluator Group Storage Networking Seminar.

Advanced Education for Storage Professionals -- Data from the complete matrix chart is included in the content of some Evaluator Group Advanced Education classes. These classes are held publicly and can be tailored for and presented to private audiences. Check out the current class schedule.

The Evaluator Series and Evaluator Series On-Line (ES/OL) are trademarks of Evaluator Group, Inc.


This was first published in May 2003

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