[linux-lvm] Help: LVM on top of SW RAID0+1

jon+lvm at silicide.dk jon+lvm at silicide.dk
Sat Mar 15 16:39:01 UTC 2003


On Sat, Mar 15, 2003 at 01:57:52PM -0600, Steven Lembark wrote:
> 
> 
> -- Jon Bendtsen <jon+lvm at silicide.dk>

[cut]

> >hmm. I tried various combinations of raid0 and raid1 ontop
> >of each other. One combination had a REALLY REALLY severe
> >performance penalty.
> 
> Why would you want to use raid0 with LVM? You can combine
> the mirrors into a VG and distribute the space out using
> LVM in the first place. You also have the option of using
> striping for performance if works out with the software mirrors.

You cant resize striped LV's. (AFAIR).




JonB




More information about the linux-lvm mailing list