Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Thats exactly the point of my question :). How can I make the system stable for unplanned failovers? Power loss for example? In this case, HA has no chance for cleaning up the resources. :/ -------- Original-Nachricht -------- > Datum: Wed, 6 Oct 2010 11:30:19 +0200 > Von: Bart Coninckx <bart.coninckx at telenet.be> > An: "Martin Fandel" <pingu.freak at gmx.de> > CC: drbd-user at lists.linbit.com > Betreff: Re: [DRBD-user] Problems using image files with drbd, maybe unsupported? > On Wednesday 06 October 2010 10:51:54 Martin Fandel wrote: > > Hi, > > > > hearbeat does the same as I do in the following steps: > > > > drbd disconnect all > > drbd primary all > > mount /dev/drbd0 /var/lib/xen/images > > > > However, in a heartbeat environment, the xen images are also damaged. If > > the primary node fails, all xen images located in /var/lib/xen/images > are > > inconsistent and not bootable. > > > > I can avoid this by using fsck on the images. But I don't know how use > fsck > > on image files. Does anybody know this? > > > > Thanks! > > > > Regards, > > > > Martin > > > > -------- Original-Nachricht -------- > > > > > Datum: Tue, 5 Oct 2010 21:59:06 +0200 > > > Von: Bart Coninckx <bart.coninckx at telenet.be> > > > An: drbd-user at lists.linbit.com > > > CC: "Martin Fandel" <pingu.freak at gmx.de> > > > Betreff: Re: [DRBD-user] Problems using image files with drbd, maybe > > > unsupported? > > > > > > 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. > > > > > > B. > > I probably should have mentionned that a resource for a ext3 volume should > also be made, so that with planned failovers you get a clean result. > However, > this is not the best thing to happen for running Xen guests, because they > will > sense their storage has just been swept from under their feet. So you also > need to add Xen resources. Personally with SLES 10 I would run guests on > iSCSI > storage hosted by DRBD and Heartbeat. > > B. > > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user -- GMX DSL Doppel-Flat ab 19,99 €/mtl.! Jetzt auch mit gratis Notebook-Flat! http://portal.gmx.net/de/go/dsl