is LVM safe for RAID-1?

Bruno Wolff III bruno at wolff.to
Fri Feb 23 18:32:20 UTC 2007


On Fri, Feb 23, 2007 at 13:08:25 -0500,
  Jack Howarth <howarth at bromo.msbb.uc.edu> wrote:
>   I understand that LVM and RAID-1 are distinct features
> but was mainly concerned about how bullet-proof LVM was
> these days. Specifically, if you end up with a failed
> drive does LVM ever complicate recovery. I've run into
> situations were bad blocks would appear on one of the
> two drives of a RAID-1 mirror and that was tricky enough
> to recover from. Since I really don't need the functionality
> of LVM, I'll probably skip again this time.

As long as you can get the mirrors back in sync, LVM isn't going to be an
obstacle. If you can't, then it is going to complicate things. Though at
that point you are likely going to your backups anyway and it may not
matter that much.




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