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Vol. 2 No. 1 March 2003

Symmetrix DMX: Is it Hot or Not?

The year is still young, but EMC's Symmetrix DMX announcement is arguably 2003's biggest storage story. The question is: Does it deserve the hype? End users seem to think so. "I like the matrix idea over the switch-based concept, and more of everything will always make a techie drool," said one anonymous user, a storage manager at a Canadian bank that two years ago defected to HDS Lightning 9900 arrays. But based on the strength of the new Symm, he says he's "looking forward to dealing with the new EMC." In terms of speeds and feeds, Symmetrix DMX is clearly an improvement over its predecessor. By moving from mirroring (RAID 0) to parity RAID, DMX has slightly more usable capacity than a Symm 8000 (37TB vs. 34TB), but uses fewer disk drives (288 vs. 384). Connectivity is up from 32 ports on the 8830 to 96 front-end ports on the DMX 2000. Last but not least, cache bandwidth improved dramatically. By switching from a bus to so-called matrix architecture, Symmetrix DMX got a 40X boost in aggregate cache bandwidth, up from 1.6GB/s ...

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Features in this issue

  • Tap the SAN for File Storage

    Used to be, if you wanted to give users a central place to store files, you had two options: put them on a generic file server, or on a NAS device.

  • Sony Joins Super Drive Game

    The market for super drives is alive and kicking, according to a recent report from Freeman Reports, with unit shipments more than doubling from 2001 to 2002.

  • Symmetrix DMX: Is it Hot or Not?

    The year is still young, but EMC's Symmetrix DMX announcement is arguably 2003's biggest storage story.

  • Firm Sees the Storage Automation Light

    Many IT people are on the fence about automated storage management, but at Allegra Systems in Piscataway, NJ, there's no doubt that automatic file migration software has cut down on the IT staff's workload.

  • Make HSM work for open systems

    by  Ed Palmer

    Translating this time-honored mainframe concept to open systems requires a completely different approach.

  • Backup exec gets big boost

    Version 9.0 has a surprising number of features that enable it to work with newer storage technologies.

  • Surveillance Gradually Going Digital

    Security-conscious companies who started out using analog videotapes, are gradually making the switch to digital, offloading to digital tape and occasionally, cheap ATA disk.

  • Ease backup pain

    OK, maybe there's no cure, but a variety of bandages and pills can help. We look at the major backup packages and analyze what each does best.

  • Bring DBAs into the SAN era

    You may not want DBAs poking around inside your fabric, but the more they understand about SANs, the better they'll be.

Columns in this issue