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implement offline migration on zfs

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Signed-off-by: Wolfgang Link <w.link@proxmox.com>
This commit is contained in:
Wolfgang Link
2015-04-27 09:27:47 +02:00
committed by Dietmar Maurer
parent 26beadeb47
commit 3d621977f4
1 changed files with 29 additions and 0 deletions
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29
PVE/Storage.pm
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@ -492,6 +492,35 @@ sub storage_migrate {
} else {
die "$errstr - target type '$tcfg->{type}' not implemented\n";
}
} elsif ($scfg->{type} eq 'zfspool') {
if($tcfg->{type} eq 'zfspool'){
die "$errstr - pool on target has not same name as source!"if $tcfg->{pool} ne $scfg->{pool};
my ( undef, $volname) = parse_volname($cfg, $volid);
my $zfspath = "$scfg->{pool}\/$volname";
my $snap = "zfs snapshot $zfspath\@__migration__";
my $send = "zfs send -v $zfspath\@__migration__ \| ssh root\@$target_host zfs recv $zfspath";
my $destroy_target = "ssh root\@$target_host zfs destroy $zfspath\@__migration__";
run_command($snap);
eval{
run_command($send);
};
my $err;
if ($err = $@){
run_command("zfs destroy $zfspath\@__migration__");
die $err;
}
run_command($destroy_target);
} else {
die "$errstr - target type $tcfg->{type} is not valid\n";
}
} else {
die "$errstr - source type '$scfg->{type}' not implemented\n";
}