* [linux-lvm] xfs and snapshots
@ 2005-03-05 1:15 Greg Freemyer
2005-03-06 21:15 ` Nathan Scott
0 siblings, 1 reply; 2+ messages in thread
From: Greg Freemyer @ 2005-03-05 1:15 UTC (permalink / raw)
To: LVM general discussion and development
Thanks to Nathan Scott, the new 2.6.11 kernel has a fix that should
allow xfs_freeze to be called prior to the creating a snapshot.
It is still not required, but it should no longer cause problems.
Greg
--
Greg Freemyer
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [linux-lvm] xfs and snapshots
2005-03-05 1:15 [linux-lvm] xfs and snapshots Greg Freemyer
@ 2005-03-06 21:15 ` Nathan Scott
0 siblings, 0 replies; 2+ messages in thread
From: Nathan Scott @ 2005-03-06 21:15 UTC (permalink / raw)
To: Greg Freemyer, LVM general discussion and development
On Fri, Mar 04, 2005 at 08:15:39PM -0500, Greg Freemyer wrote:
> Thanks to Nathan Scott, the new 2.6.11 kernel has a fix that should
> allow xfs_freeze to be called prior to the creating a snapshot.
>
> It is still not required, but it should no longer cause problems.
Actually, for 2.6 kernels you shouldn't do a xfs_freeze before doing
a snapshot - this will result in a deadlocked snapshot, since the
freeze holds locks the snapshot code needs. In 2.6, the DM snapshot
code knows how to do an xfs_freeze-equivalent call from within the
kernel.
We didn't find a clean way to resolve that issue yet, Christoph is
looking into it though.
cheers.
--
Nathan
^ permalink raw reply [flat|nested] 2+ messages in thread
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2005-03-05 1:15 [linux-lvm] xfs and snapshots Greg Freemyer
2005-03-06 21:15 ` Nathan Scott
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