[DRBD-user] Problems using image files with drbd, maybe unsupported?

Bart Coninckx bart.coninckx at telenet.be
Tue Oct 5 21:59:06 CEST 2010

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On Tuesday 05 October 2010 12:26:08 Martin Fandel wrote:
> Hi,
> I'm not sure if I understand the documentation correct. I've installed
> SLES10 with DRBD and Xen. I added an drbd-device /dev/drbd0 for the xen
> image files. The drbd device /dev/drbd0 is created with ext3 and is
> mounted to /var/lib/xen/images. Under this directory, 10 vms are
> installed. If I do an switch to the backup machine, xen can't start the
> image files / the guest. The kernel says:
> [87585.519596] EXT3-fs: INFO: recovery required on readonly filesystem.
> [87585.519602] EXT3-fs: write access unavailable, cannot proceed.
> Is it possible, that image files with drbd are not supported? I've also
> found an tutorial on google. In the tutorial is a notice, that the image
> files must be dumped to dedicated drbd partitions?
> Thanks!
> Regards,
> Martin

You need to install the heartbeat rpms for SLES10 and configure DRBD resources 
so the DRBD resource becomes active after failover.


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