[CentOS] Infrastructure HELP!
John R Pierce
pierce at hogranch.com
Thu Oct 29 20:04:07 UTC 2009
> Is software RAID 10 decent performance?
depends on the workload.
committed random writes are greatly accelerated by battery backed write
caches on real raid controllers. this greatly speeds up things like
if your workload is mostly read, software raid performs quite adequately.
with 4 x raid10, you can be doing 4 different reads at once, or two
writes simultaneously, as long as you have plenty of pending IO requests.
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