[CentOS] SAS/SATA DAS
Peter Arremann
loony at loonybin.orgTue Sep 2 17:32:29 UTC 2008
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Hi, I assume you're talking about the MSA60? We have several of those installed and haven't seen any bottle necks there. Even the fastest SATA drives fall short of the 150MB/sec max SATA I throughput. And if you could push the 1.5Gb/sec on the SATA side, then the SAS side with a 4x port (4x3Gb/sec) would become your bottleneck. Peter. On Tuesday 02 September 2008 11:23:00 am Joseph L. Casale wrote: > I need to replace a slow HP MSA20 that’s a bottleneck right now (We are an > HP shop). HP’s only option with 3.5” SATA drives is stuck at SATA I behind > a SAS controller. Dell makes an MD1000 that claims SATA II speeds behind a > SAS Perc 5/E (Don’t know anything about dell). > Anyone got any real world info they can share? I need 3.5” SATA II at least > 12 drives behind SAS, I am not concerned about space and could use multiple > 1u chassis if I had to. > Thanks!
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