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Access "Symmetrix DMX: Is it Hot or Not?"

Published: 16 Oct 2012

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 to 64GB/s --compared to 15.9GB/... Access >>>

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