[CentOS] md raid1 - no speed improvement
Ralph Angenendt
ra+centos at br-online.de
Sun Mar 23 11:49:53 UTC 2008
Kieran Clancy wrote:
> When I do tests though, I find that the md raid1 read performance is
> no better than either of the two disks on their own
Why should RAID1 be faster than writing to/reading from a single disc?
You are *mirroring* each write to another disk, so I'd even expect it to
be slower.
Ralph
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