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LVM2 freeze_bdev() trusted in FS consistency for Snapshots?

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dman777
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Joined: 10 Jan 2007
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Posted: Thu Jul 04, 2013 3:45 pm Post subject: LVM2 freeze_bdev() trusted in FS consistency for Snapshots?

As for LVM2 and snapshot file consistency, I'm assuming that ext4 has freeze_bdev() implemented in it? And if so, can it be said that this implementation will guarantee a freeze a filesystem and lock it for a consistent state for a lvm2 snapshot? And if not, would ZFS be better?

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