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zfs: handle unexpectedly missing snapshots better

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Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
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Fabian Grünbichler
2020-09-22 08:56:12 +02:00
committed by Thomas Lamprecht
parent 48d0cd02c1
commit c8eb017867
1 changed files with 4 additions and 0 deletions
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4
PVE/Storage/ZFSPoolPlugin.pm
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@ -472,6 +472,10 @@ sub volume_rollback_is_possible {
my ($class, $scfg, $storeid, $volname, $snap) = @_; my ($class, $scfg, $storeid, $volname, $snap) = @_;
my $recentsnap = $class->zfs_get_latest_snapshot($scfg, $volname); my $recentsnap = $class->zfs_get_latest_snapshot($scfg, $volname);
die "can't rollback, no snapshots exist at all\n"
if !defined($recentsnap);
if ($snap ne $recentsnap) { if ($snap ne $recentsnap) {
die "can't rollback, more recent snapshots exist\n"; die "can't rollback, more recent snapshots exist\n";
} }