Signed-off-by: Fabian Grünbichler <[email protected]>
---
PVE/Storage/ZFSPoolPlugin.pm | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/PVE/Storage/ZFSPoolPlugin.pm b/PVE/Storage/ZFSPoolPlugin.pm
index 10354b3..6fa9127 100644
--- a/PVE/Storage/ZFSPoolPlugin.pm
+++ b/PVE/Storage/ZFSPoolPlugin.pm
@@ -472,6 +472,10 @@ sub volume_rollback_is_possible {
my ($class, $scfg, $storeid, $volname, $snap) = @_;
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) {
die "can't rollback, more recent snapshots exist\n";
}
--
2.20.1
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