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zfs: rollback: improve error message

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we don't even know whether $snap exists at all, so the old variant could
be rather misleading..

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
This commit is contained in:
Fabian Grünbichler
2020-09-22 08:56:13 +02:00
committed by Thomas Lamprecht
parent c8eb017867
commit d0eaf18571
1 changed files with 2 additions and 3 deletions
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5
PVE/Storage/ZFSPoolPlugin.pm
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@ -476,9 +476,8 @@ sub volume_rollback_is_possible {
die "can't rollback, no snapshots exist at all\n" die "can't rollback, no snapshots exist at all\n"
if !defined($recentsnap); if !defined($recentsnap);
if ($snap ne $recentsnap) { die "can't rollback, '$snap' is not most recent snapshot\n"
die "can't rollback, more recent snapshots exist\n"; if $snap ne $recentsnap;
}
return 1; return 1;
} }