[Linux-cluster] Sharing a software raid

[Pavel Herrmann]

Hey

On Friday 01 November 2013 12:38:26 Juan Pablo Lorier wrote:
> Hi,
> 
> I have a file server from SuperMicro that has two servers plus 16 sata
> disks shared for the two servers. I have created a software raid with
> one of the servers using the 16 disks and on top of the md created an
> lvm volume with has a gfs2 partition.
> The question is if it's safe that the second server uses the md device
> (and pv) to access the gfs2 partition as I'm concerned about both
> servers touching md and lvm metadata at the same time.
> Regards,

LVM metadata is safe, as long as you use clvm

MD metadata is probably not safe for multiple access though.

Regards
Pavel Herrmann