[Xen-users] does live migration require a cluster aware filesystem?

["Tomoki Taniguchi" <tomoki.taniguchi@xxxxxxxxx>]

I can't seem to get find a straight answer to this question,
so i decided to ask it directly.

If i want to do a live migration between two xen servers which has the domainU
filesystem shared to them using nbd, does the filesystem have to be
cluster aware like
gfs?  or can it be ext3 since technically the two servers should never
be writing to
the filesystem at the same time?

I was thinking since windows servers with ntfs filesystems doesn't
seem to have a problem,
maybe the default ext3 would work just fine?

TIA,
Tomoki

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