Re: Data integrity and RAID

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On Tue, 9 Dec 2008, Ryan Wagoner wrote:

The issue I've had with RAID 1 using mdadm is the disk's aren't
consistent. I've noticed that unlike RAID 5 when a write is aborted
mdadm doesn't completely write the data.

When I run a check on the RAID 1 I always have inconsistencies where I
have never had one on a RAID 5. The issue here is you never know if
the inconsistencies can be ignored or are signs of a failing disk,
etc.

I sent an email to the list previously on this with no response.

http://marc.info/?l=linux-raid&m=122572326107399&w=2
I have asked about this before as well, do you have your swap on raid1? I recall someone replying that it was normal if that is the case.

Justin.

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