[CentOS] iSCSI / GFS shared web server file system

Thu Apr 22 22:52:22 UTC 2010
Hakan Koseoglu <hakan at koseoglu.org>

Hi James,

On Thu, Apr 22, 2010 at 11:38 PM, jchase <jchase at mandaladesigns.com> wrote:
> We currently have a MD3000i with an iSCSI LUN shared out to our apache web
> server. We are going to add another apache web server into the mix using LVS
> to load balance, however, I am curious how well iSCSI handles file locking
> and data integrity. I have the iSCSI partition formatted as ext3.
iSCSI is just SCSI protocol over the net and doesn't provide any locking.

> Is my setup totally flawed and will ext3 not allow for data integrity with
> multiple apache hosts reading/writing to the shared storage? Am I required
> to also setup GFS across my apache hosts or does iSCSI somehow manage this?
GFS or OCFS2 etc. would be a good idea. Alternatively NFS/CIFS would do.

Hakan (m1fcj) - http://www.hititgunesi.org