[CentOS] Software RAID1 with CentOS-6.2
Ellen Shull
ellenshull at gmail.com
Wed Feb 29 01:59:39 UTC 2012
On Tue, Feb 28, 2012 at 5:27 PM, Kahlil Hodgson
<kahlil.hodgson at dealmax.com.au> wrote:
> Now I start to get I/O errors on printed on the console. Run 'mdadm -D
> /dev/md1' and see the array is degraded and /dev/sdb2 has been marked as
> faulty.
I had a problem like this once. In a heterogeneous array of 80 GB
PATA drives (it was a while ago), the one WD drive kept dropping out
like this. WD's diagnostic tool showed a problem, so I RMA'ed the
drive... only to discover the replacement did the same thing on the
system, but checked out just fine on a different system. Turned out
to be a combination of a power supply with less-than-stellar
regulation (go Enermax...) and the WD was particularly sensitive to
it; nothing else in the system seemed to be affected Replacing the
power supply finally eliminated the issue.
--ln
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