[wellylug] RAID5 with LVM

[Jim Cheetham]

On 28/05/07, Nathan Cook <nathan at cook.net.nz> wrote:
> I have 3 SATA drives that I want to create a Software RAID5 array with and
> then create an LVM, then add that array to the LVM.

I know a serious how-not-to.
http://www.baarf.com/

The Battle Against Any Raid Five

Honestly, RAID5 is a waste of resources. (And RAID4 and RAID3 ...)
Writes are slower than they need to be, and more importantly a data
error in your parity stripes will be unreported until it becomes
fatal, in most cases.

RAID10 or just RAID1, please.

-jim