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Fix #848: deactivate old volume after clone before deletion

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Otherwise some move operations will fail to delete the old
disk (eg. when moving from ceph to local storage).

Note that in order for the deactivation to succeed we need
to make sure qemu has closed its file descriptors, so we
need to wait for the job to disappear the same way we do in
$cancel_job().
Factored the waiting out into $finish_job().
This commit is contained in:
Wolfgang Bumiller 2016-04-11 15:19:46 +02:00 committed by Dietmar Maurer
parent edc10731a8
commit 2e953867ad
2 changed files with 18 additions and 8 deletions
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5
PVE/API2/Qemu.pm
View File

@ -2502,7 +2502,10 @@ __PACKAGE__->register_method({
PVE::QemuConfig->add_unused_volume($conf, $old_volid);
PVE::QemuConfig->write_config($vmid, $conf);
} else {
eval { PVE::Storage::vdisk_free($storecfg, $old_volid); };
eval {
PVE::Storage::deactivate_volumes($storecfg, [$old_volid]);
PVE::Storage::vdisk_free($storecfg, $old_volid);
};
warn $@ if $@;
}
}

21
PVE/QemuServer.pm
View File

@ -5923,6 +5923,15 @@ sub qemu_drive_mirror {
print "drive mirror is starting (scanning bitmap) : this step can take some minutes/hours, depend of disk size and storage speed\n";
my $finish_job = sub {
while (1) {
my $stats = vm_mon_cmd($vmid, "query-block-jobs");
my $stat = @$stats[0];
last if !$stat;
sleep 1;
}
};
eval {
vm_mon_cmd($vmid, "drive-mirror", %$opts);
while (1) {
@ -5949,7 +5958,10 @@ sub qemu_drive_mirror {
# try to switch the disk if source and destination are on the same guest
eval { vm_mon_cmd($vmid, "block-job-complete", device => "drive-$drive") };
last if !$@;
if (!$@) {
&$finish_job();
last;
}
die $@ if $@ !~ m/cannot be completed/;
}
sleep 1;
@ -5961,12 +5973,7 @@ sub qemu_drive_mirror {
my $cancel_job = sub {
vm_mon_cmd($vmid, "block-job-cancel", device => "drive-$drive");
while (1) {
my $stats = vm_mon_cmd($vmid, "query-block-jobs");
my $stat = @$stats[0];
last if !$stat;
sleep 1;
}
&$finish_job();
};
if ($err) {