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sync_disks: Always set 'snapshots' for qcow2 and vmdk volumes

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This fixes an issue when migrating a VM with an unused volume with format
qcow2 or vmdk. Since 'snapshots' wasn't set, storage_migrate wanted to
export/import with format raw+size instead. Therefore it used (instead of
just 'dd') 'qemu-img convert', which fails when its output leaves through
a pipe. Upon importing, a second error is present, because the format from
the volume ID doesn't match the format of the stream and there is no
conversion yet.

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
LGTM-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
This commit is contained in:
Fabian Ebner 2020-03-09 13:24:50 +01:00 committed by Thomas Lamprecht
parent b2d27b3242
commit 5eca0c3643
1 changed files with 8 additions and 2 deletions
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10
PVE/QemuMigrate.pm
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@ -311,9 +311,14 @@ sub sync_disks {
PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node});
PVE::Storage::foreach_volid($dl, sub {
my ($volid, $sid, $volname) = @_;
my ($volid, $sid, $volinfo) = @_;
$local_volumes->{$volid}->{ref} = 'storage';
# If with_snapshots is not set for storage migrate, it tries to use
# a raw+size stream, but on-the-fly conversion from qcow2 to raw+size
# back to qcow2 is currently not possible.
$local_volumes->{$volid}->{snapshots} = ($volinfo->{format} =~ /^(?:qcow2|vmdk)$/);
});
}
@ -366,8 +371,9 @@ sub sync_disks {
if !$owner || ($owner != $self->{vmid});
my $format = PVE::QemuServer::qemu_img_format($scfg, $volname);
$local_volumes->{$volid}->{snapshots} = defined($snaprefs) || ($format =~ /^(?:qcow2|vmdk)$/);
if (defined($snaprefs)) {
$local_volumes->{$volid}->{snapshots} = 1;
# we cannot migrate shapshots on local storage
# exceptions: 'zfspool' or 'qcow2' files (on directory storage)