Get the replicatable volumes from the snapshot config rather than the current
config. And filter those volumes further to those that will actually be rolled
back.
Previously, a volume that only had replication snapshots (e.g. because it was
added after the snapshot was taken, or the vmstate volume) would lose them.
Then, on the next replication run, such a volume would lead to an error, because
replication tried to do a full sync, but the target volume still exists.
Should be enough for most real-world scenarios, but not a complete fix:
It is still possible to run into the problem by removing the last
(non-replication) snapshots after a rollback before replication can run once.
The list of volumes is not required to be sorted for prepare(), but it is sorted
by how foreach_volume() iterates now, so not random.
Signed-off-by: Fabian Ebner <f.eb...@proxmox.com>
---
Changes from v1:
* dropped already applied patch
* rebased on top of the new filename (since a src/ prefix was added)
* add another comment mentioning why the additional filtering is necessary
src/PVE/AbstractConfig.pm | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/src/PVE/AbstractConfig.pm b/src/PVE/AbstractConfig.pm
index 3348d8a..6542ae4 100644
--- a/src/PVE/AbstractConfig.pm
+++ b/src/PVE/AbstractConfig.pm
@@ -974,13 +974,23 @@ sub snapshot_rollback {
if ($prepare) {
my $repl_conf = PVE::ReplicationConfig->new();
if ($repl_conf->check_for_existing_jobs($vmid, 1)) {
- # remove all replication snapshots
- my $volumes = $class->get_replicatable_volumes($storecfg,
$vmid, $conf, 1);
- my $sorted_volids = [ sort keys %$volumes ];
+ # remove replication snapshots on volumes affected by rollback
*only*!
+ my $volumes = $class->get_replicatable_volumes($storecfg,
$vmid, $snap, 1);
+
+ # filter by what we actually iterate over below (excludes
vmstate!)
+ my $volids = [];
+ $class->foreach_volume($snap, sub {
+ my ($vs, $volume) = @_;
+
+ my $volid_key = $class->volid_key();
+ my $volid = $volume->{$volid_key};
+
+ push @{$volids}, $volid if $volumes->{$volid};
+ });
# remove all local replication snapshots (jobid => undef)
my $logfunc = sub { my $line = shift; chomp $line; print
"$line\n"; };
- PVE::Replication::prepare($storecfg, $sorted_volids, undef, 1,
undef, $logfunc);
+ PVE::Replication::prepare($storecfg, $volids, undef, 1, undef,
$logfunc);
}
$class->foreach_volume($snap, sub {
--
2.30.2
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