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[Xen-users] Xen and GFS

Does anyone have any pointers with regard to using Xen and storing VBDs on a GFS volume under dom0? This sounds like it should work well, especially for migrating domains, but it looks as though GFS won't allow a read-write mount of a loop device (file) so I end up with read only VBDs on the SAN, which are obviously useless. Maybe my approach is completely off, but it sounded pretty good up until I discovered the lock problem. FYI, the gfs error when mounting is listed below.

Thanks in advance for any help or insight.

Output in /var/log/messages:

Apr 18 12:11:23 blade1 kernel: GFS: fsid=alpha:gfs1.0: warning: assertion "gfs_glock_is_locked_by_me(ip->i_gl)" failed Apr 18 12:11:23 blade1 kernel: GFS: fsid=alpha:gfs1.0: function = gfs_prepare_write Apr 18 12:11:23 blade1 kernel: GFS: fsid=alpha:gfs1.0: file = /usr/ src/build/729060-x86_64/BUILD/xen0/src/gfs/ops_address.c, line = 329 Apr 18 12:11:23 blade1 kernel: GFS: fsid=alpha:gfs1.0: time = 1145387483


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