[CentOS] question about software Raid 1
John R Pierce
pierce at hogranch.com
Sun Sep 21 19:06:37 UTC 2008
> Thank you John. I'm pretty sure that raid 5 or 6 would be safe, since
> there is parity checking, however it sounds like this may not be the
> case for raid 1.
the parity on raid5/6 is only checked if you run some sort of scrub, and
its used to regenerate a failed drive onto a spare or replacement...
in normal operation, reads will be distributed to the individual drives
that contain the blocks in question.
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