LVM Mirroring failure notification

Michael Torrie torriem at
Tue May 12 13:35:20 MDT 2009

Mike Lovell wrote:
> I'm not trying to do a 6 drive raid 5. Doing a -m1 creates one copy of 
> the new LV. So in this case, I would lose the equivalent of half of the 
> storage space which would be the same as doing a RAID10.

Is it striping across mirrored sets of disk (2 disks)?  Or is your
system striping across 3 disks and mirroring that with the other 3?
Maybe there's no difference, but I've always had it in the back of my
mind that stripping across mirrored sets is the preferred way to do this.

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