[Linux-cluster] CLVM and AoE

[Jure Pečar]

On Thu, 13 Apr 2006 10:40:22 -0400
Bowie Bailey <Bowie_Bailey at BUC.com> wrote:

> If you don't use GFS, just make absolutely sure that there is no way
> that two nodes could mount the same lv.  As far as I know, there is
> nothing in the cluster that will prevent an ext3 or xfs filesystem
> from being mounted by multiple nodes.  And if it happens, you have
> almost guaranteed data corruption.

If the underlying storage is scsi3, one can use persistent scsi reservations, which can be set with some tool from the sg3_utils package. In case of AoE, this is of course not possible. 

-- 

Jure Pečar
http://jure.pecar.org/