What I am struggling to understand here, is why it is being referred to as a "SAN" when it is not concurrently available... how are you mounting this "SAN" on each host?
On 5 September 2018 at 18:55, Andrei Borzenkov <[email protected]> wrote: > 05.09.2018 19:13, Lentes, Bernd пишет: > > Hi guys, > > > > just to be sure. I thought (maybe i'm wrong) that having a VM on a > shared storage (FC SAN), e.g. in a raw file on an ext3 fs on that SAN > allows live-migration because pacemaker takes care that the ext3 fs is at > any time only mounted on one node. > > > While live migration requires concurrent access from both nodes at the > same time. > > > I tried it, but "live"-migration wasn't possible. The vm was always > shutdown before migration. Or do i need OCFS2 ? > > You need to be able to access image from both nodes at the same time. If > image is on file system, it must be clustered filesystem. Or just use > raw device for image as already suggested. > > > Could anyone clarifies this ? > > > > > > Bernd > > > > _______________________________________________ > Users mailing list: [email protected] > https://lists.clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org > -- Mark Adams Director -- Open Virtualisation Solutions Ltd. Registered in England and Wales number: 07709887 Office Address: 274 Verdant Lane, London, SE6 1TW Office: +44 (0)333 355 0160 Mobile: +44 (0)750 800 1289 Site: http://www.openvs.co.uk
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