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add check for snapshots at migration

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We cannot migrate snapshots on local disks, for example lvmthin snapshots.
This commit is contained in:
Dietmar Maurer 2016-06-16 10:21:57 +02:00
parent c4d2d6c15c
commit 3629c19d23
1 changed files with 26 additions and 6 deletions
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32
PVE/QemuMigrate.pm
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@ -248,9 +248,9 @@ sub sync_disks {
});
}
# and add used, owned/non-shared disks (just to be sure we have all)
my $snapname;
PVE::QemuServer::foreach_volid($conf, sub {
my $test_volid = sub {
my ($volid, $is_cdrom) = @_;
return if !$volid;
@ -271,17 +271,37 @@ sub sync_disks {
return if $scfg->{shared};
die "can't migrate local cdrom '$volid'\n" if $cdromhash->{$volid};
$sharedvm = 0;
die "can't migrate local cdrom '$volid'\n" if $cdromhash->{$volid};
my ($path, $owner) = PVE::Storage::path($self->{storecfg}, $volid);
die "can't migrate volume '$volid' - owned by other VM (owner = VM $owner)\n"
if !$owner || ($owner != $self->{vmid});
$volhash->{$volid} = 1;
});
if (defined($snapname)) {
# we cannot migrate shapshots on local storage
# exceptions: 'zfspool' or 'qcow2' files (on directory storage)
my $format = PVE::QemuServer::qemu_img_format($scfg, $volname);
if (($scfg->{type} eq 'zfspool') || ($format eq 'qcow2')) {
$volhash->{$volid} = 1;
return;
}
die "can't migrate snapshot of local volume '$volid'\n";
} else {
$volhash->{$volid} = 1;
}
};
PVE::QemuServer::foreach_volid($conf, $test_volid);
foreach $snapname (keys %{$conf->{snapshots}}) {
PVE::QemuServer::foreach_volid($conf->{snapshots}->{$snapname}, $test_volid);
}
if ($self->{running} && !$sharedvm) {
die "can't do online migration - VM uses local disks\n";