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migrate: query transfer stream formats

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This commit is contained in:
Wolfgang Bumiller
2017-05-12 11:56:11 +02:00
committed by Fabian Grünbichler
parent d390328bfd
commit 7459cb3d91
1 changed files with 12 additions and 6 deletions
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18
PVE/Storage.pm
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@ -625,26 +625,32 @@ sub storage_migrate {
my (undef, $volname) = parse_volname($cfg, $volid);
my $zfspath = "$scfg->{pool}\/$volname";
my $send = ['pvesm', 'export', $volid, 'zfs', '-', '-snapshot', '__migration__', '-with-snapshots', '1'];
my $recv = ['ssh', "root\@$target_host", '--', 'pvesm', 'import', $volid, 'zfs', '-', '-with-snapshots', '1'];
my @formats = volume_transfer_formats($cfg, $volid, $volid, '__migration__', $base_snapshot, 1);
die "cannot migrate from storage type '$scfg->{type}' to '$tcfg->{type}'\n" if !@formats;
my $format = $formats[0];
my $send = ['pvesm', 'export', $volid, $format, '-', '-snapshot', '__migration__', '-with-snapshots', '1'];
my $recv = ['ssh', "root\@$target_host", '--', 'pvesm', 'import', $volid, $format, '-', '-with-snapshots', '1'];
my $free = ['ssh', "root\@$target_host", '--', 'pvesm', 'free', $volid, '-snapshot', '__migration__'];
if (defined($base_snapshot)) {
# Check if the snapshot exists on the remote side:
push @$send, '-snapshot', $base_snapshot;
push @$send, '-base', $base_snapshot;
push @$recv, '-base', $base_snapshot;
}
volume_snapshot($cfg, $volid, '__migration__');
eval{
eval {
run_command([$send, $recv]);
};
my $err = $@;
warn "send/receive failed, cleaning up snapshot(s)..\n" if $err;
eval { volume_snapshot_delete($cfg, $volid, '__migration__', 0) };
warn "could not remove source snapshot: $@\n" if $@;
eval { run_command($free) };
warn "could not remove target snapshot: $@\n" if $@;
if (defined($free)) {
eval { run_command($free) };
warn "could not remove target snapshot: $@\n" if $@;
}
die $err if $err;
} else {
die "$errstr - target type $tcfg->{type} is not valid\n";