[CentOS] Centos 5.6 3ware raid 5
Ken Smith
kens at kensnet.orgTue Feb 7 20:53:00 UTC 2012
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Hi, I've seen comments about the poor performance of these cards with raid 5 configs. I have an old card with 3 x 500G IDE drives connected in raid 5 and I'm getting around 10mb/s write performance. :-( I'm seeing high iowait figures at times and associated very high cpu load average figures, probably because, under load, everything is stacked up waiting for the disks to actually do something. A non-raid sata disk in the same machine manages 70mb/s Does anyone know what the performance is like if I used the 3ware just as an IDE controller? I could then switch to software raid5? Thanks Ken -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
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