[DRBD-user] linux kvm, primary/primary, mount problems

Frank Hoffmann hoffmann at senax.de
Tue Mar 16 22:42:04 CET 2010

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

Am Montag, 15. März 2010 19:28:34 schrieb dbarker:
> Frank Hoffmann wrote:
> > (primary/primary, protocol C) and one resource r0.
> > r0 is mounted (ext4) one both nodes (rw, sync).
> As far as I know, ext4 is not a clustering file system (aware that it may
> be shared) and will not reread blocks it just read. My only experience
> with drbd is using VMFS which works just fine doing what you mention.
> Good luck. Check out http://en.wikipedia.org/wiki/Clustered_file_system and
> http://en.wikipedia.org/wiki/Ext4

ext4 is not a clustering file system.
I hoped it would work without one. ;-)
OCFS2 looks good for me, so I will try that ...


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