Proxmox/qemu-server
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clone: use the zeroinit filter for sparseinit storages

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This commit is contained in:
Wolfgang Bumiller 2016-03-18 12:20:33 +01:00 committed by Dietmar Maurer
parent c7c16256b4
commit 988e2714ad
1 changed files with 14 additions and 6 deletions
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20
PVE/QemuServer.pm
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@ -5802,7 +5802,7 @@ sub template_create {
}
sub qemu_img_convert {
my ($src_volid, $dst_volid, $size, $snapname) = @_;
my ($src_volid, $dst_volid, $size, $snapname, $is_zero_initialized) = @_;
my $storecfg = PVE::Storage::config();
my ($src_storeid, $src_volname) = PVE::Storage::parse_volume_id($src_volid, 1);
@ -5824,7 +5824,12 @@ sub qemu_img_convert {
my $cmd = [];
push @$cmd, '/usr/bin/qemu-img', 'convert', '-t', 'writeback', '-p', '-n';
push @$cmd, '-s', $snapname if($snapname && $src_format eq "qcow2");
push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path, $dst_path;
push @$cmd, '-f', $src_format, '-O', $dst_format, $src_path;
if ($is_zero_initialized) {
push @$cmd, "zeroinit:$dst_path";
} else {
push @$cmd, $dst_path;
}
my $parser = sub {
my $line = shift;
@ -5855,7 +5860,7 @@ sub qemu_img_format {
}
sub qemu_drive_mirror {
my ($vmid, $drive, $dst_volid, $vmiddst) = @_;
my ($vmid, $drive, $dst_volid, $vmiddst, $is_zero_initialized) = @_;
my $storecfg = PVE::Storage::config();
my ($dst_storeid, $dst_volname) = PVE::Storage::parse_volume_id($dst_volid);
@ -5866,7 +5871,9 @@ sub qemu_drive_mirror {
my $dst_path = PVE::Storage::path($storecfg, $dst_volid);
my $opts = { timeout => 10, device => "drive-$drive", mode => "existing", sync => "full", target => $dst_path };
my $qemu_target = $is_zero_initialized ? "zeroinit:$dst_path" : $dst_path;
my $opts = { timeout => 10, device => "drive-$drive", mode => "existing", sync => "full", target => $qemu_target };
$opts->{format} = $format if $format;
print "drive mirror is starting (scanning bitmap) : this step can take some minutes/hours, depend of disk size and storage speed\n";
@ -5960,10 +5967,11 @@ sub clone_disk {
PVE::Storage::activate_volumes($storecfg, $newvollist);
my $sparseinit = PVE::Storage::volume_has_feature($storecfg, 'sparseinit', $newvolid);
if (!$running || $snapname) {
qemu_img_convert($drive->{file}, $newvolid, $size, $snapname);
qemu_img_convert($drive->{file}, $newvolid, $size, $snapname, $sparseinit);
} else {
qemu_drive_mirror($vmid, $drivename, $newvolid, $newvmid);
qemu_drive_mirror($vmid, $drivename, $newvolid, $newvmid, $sparseinit);
}
}