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Add LVM-thin storage migration

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It is now possibel to migrate LVM-thin volumes offline from one node to an other.
Also LVM what is used by Qemu.
This commit is contained in:
Wolfgang Link
2016-06-07 15:33:10 +02:00
committed by Dietmar Maurer
parent b521247bf4
commit 0a29ad6148
1 changed files with 33 additions and 0 deletions
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33
PVE/Storage.pm
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@ -542,6 +542,39 @@ sub storage_migrate {
} else {
die "$errstr - target type $tcfg->{type} is not valid\n";
}
} elsif ($scfg->{type} eq 'lvmthin' || $scfg->{type} eq 'lvm') {
if ($tcfg->{type} eq 'lvmthin' || $tcfg->{type} eq 'lvm') {
die "$errstr - pool on target has not same name as source!"
if $tcfg->{type} ne $scfg->{type};
my (undef, $volname) = parse_volname($cfg, $volid);
my $size = volume_size_info($cfg, $volid, 5);
my $path = path($cfg, $volid);
$volname =~ m/^vm-(\d+)-/;
my $vmid = $1;
run_command(['/usr/bin/ssh', "root\@${target_host}",
'pvesm', 'alloc', $target_storeid, $vmid,
$volname, $size/1024]);
eval {
run_command([["dd", "if=$path"],
["/usr/bin/ssh", "root\@${target_host}", "-C",
"dd", 'conv=sparse', "of=$path"]]);
};
if (my $err = $@) {
run_command(['/usr/bin/ssh', "root\@${target_host}",
'pvesm', 'free', $volid]);
} else {
vdisk_free($cfg, $volid);
}
} else {
die "$errstr - target type $tcfg->{type} is not valid\n";
}
} else {
die "$errstr - source type '$scfg->{type}' not implemented\n";
}