my ($sid, $volname) = PVE::Storage::parse_volume_id($volid, 1);
# check if storage is available on both nodes
- my $targetsid = $self->{opts}->{targetstorage} ? $self->{opts}->{targetstorage} : $sid;
+ my $targetsid = $self->{opts}->{targetstorage} // $sid;
my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid);
PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node});
if !$plugin->check_connection($sid, $scfg);
} else {
# only activate if not shared
+ next if ($volid =~ m/vm-\d+-cloudinit/);
push @$need_activate, $volid;
}
}
# local volumes which have been copied
$self->{volumes} = [];
- my $res = [];
+ my $override_targetsid = $self->{opts}->{targetstorage};
eval {
next if @{$dl->{$storeid}} == 0;
- my $targetsid = $self->{opts}->{targetstorage} ? $self->{opts}->{targetstorage} : $storeid;
+ my $targetsid = $override_targetsid // $storeid;
# check if storage is available on target node
PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node});
my ($volid, $attr) = @_;
if ($volid =~ m|^/|) {
+ return if $attr->{shared};
$local_volumes->{$volid}->{ref} = 'config';
die "local file/device\n";
}
my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);
- my $targetsid = $self->{opts}->{targetstorage} ? $self->{opts}->{targetstorage} : $sid;
+ my $targetsid = $override_targetsid // $sid;
# check if storage is available on both nodes
my $scfg = PVE::Storage::storage_check_node($self->{storecfg}, $sid);
PVE::Storage::storage_check_node($self->{storecfg}, $targetsid, $self->{node});
$local_volumes->{$volid}->{ref} = $attr->{referenced_in_config} ? 'config' : 'snapshot';
- die "local cdrom image\n" if $attr->{cdrom};
+ if ($attr->{cdrom}) {
+ if ($volid =~ /vm-\d+-cloudinit/) {
+ $local_volumes->{$volid}->{ref} = 'generated';
+ return;
+ }
+ die "local cdrom image\n";
+ }
my ($path, $owner) = PVE::Storage::path($self->{storecfg}, $volid);
$self->log('info', "found local disk '$vol' (in current VM config)\n");
} elsif ($ref eq 'snapshot') {
$self->log('info', "found local disk '$vol' (referenced by snapshot(s))\n");
+ } elsif ($ref eq 'generated') {
+ $self->log('info', "found generated disk '$vol' (in current VM config)\n");
} else {
$self->log('info', "found local disk '$vol'\n");
}
$self->log('warn', "$err");
}
- if ($self->{running} && !$sharedvm && !$self->{opts}->{targetstorage}) {
- $self->{opts}->{targetstorage} = 1; #use same sid for remote local
- }
-
if ($abort) {
die "can't migrate VM - check log\n";
}
foreach my $volid (keys %$local_volumes) {
my ($sid, $volname) = PVE::Storage::parse_volume_id($volid);
- if ($self->{running} && $self->{opts}->{targetstorage} && $local_volumes->{$volid}->{ref} eq 'config') {
+ my $targetsid = $override_targetsid // $sid;
+ my $ref = $local_volumes->{$volid}->{ref};
+ if ($self->{running} && $ref eq 'config') {
push @{$self->{online_local_volumes}}, $volid;
+ } elsif ($ref eq 'generated') {
+ # skip all generated volumes but queue them for deletion in phase3_cleanup
+ push @{$self->{volumes}}, $volid;
+ next;
} else {
next if $rep_volumes->{$volid};
push @{$self->{volumes}}, $volid;
- my $insecure = $self->{opts}->{migration_type} eq 'insecure';
+ my $opts = $self->{opts};
+ my $insecure = $opts->{migration_type} eq 'insecure';
my $with_snapshots = $local_volumes->{$volid}->{snapshots};
- PVE::Storage::storage_migrate($self->{storecfg}, $volid, $self->{ssh_info}, $sid,
- undef, undef, undef, undef, $insecure, $with_snapshots);
+ # use 'migrate' limit for transfer to other node
+ my $bwlimit = PVE::Storage::get_bandwidth_limit('migrate', [$targetsid, $sid], $opts->{bwlimit});
+ # JSONSchema and get_bandwidth_limit use kbps - storage_migrate bps
+ $bwlimit = $bwlimit * 1024 if defined($bwlimit);
+
+ PVE::Storage::storage_migrate($self->{storecfg}, $volid, $self->{ssh_info}, $targetsid,
+ undef, undef, undef, $bwlimit, $insecure, $with_snapshots);
}
}
};
push @$cmd, '--machine', $self->{forcemachine};
}
- if ($self->{opts}->{targetstorage}) {
- push @$cmd, '--targetstorage', $self->{opts}->{targetstorage};
+ if ($self->{online_local_volumes}) {
+ push @$cmd, '--targetstorage', ($self->{opts}->{targetstorage} // '1');
}
my $spice_port;
$rport = int($1);
$ruri = "tcp:$raddr:$rport";
}
- elsif ($line =~ m/^spice listens on port (\d+)$/) {
+ elsif ($line =~ m/^spice listens on port (\d+)$/) {
$spice_port = int($1);
}
- elsif ($line =~ m/^storage migration listens on nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+) volume:(\S+)$/) {
+ elsif ($line =~ m/^storage migration listens on nbd:(localhost|[\d\.]+|\[[\d\.:a-fA-F]+\]):(\d+):exportname=(\S+) volume:(\S+)$/) {
my $volid = $4;
my $nbd_uri = "nbd:$1:$2:exportname=$3";
my $targetdrive = $3;
die "unable to detect remote migration address\n" if !$raddr;
+ $self->log('info', "start remote tunnel");
+
if ($migration_type eq 'secure') {
- $self->log('info', "start remote tunnel");
if ($ruri =~ /^unix:/) {
unlink $raddr;
} else {
die "unsupported protocol in migration URI: $ruri\n";
}
+ } else {
+ #fork tunnel for insecure migration, to send faster commands like resume
+ $self->{tunnel} = $self->fork_tunnel();
}
my $start = time();
- if ($self->{opts}->{targetstorage} && defined($self->{online_local_volumes})) {
+ my $opt_bwlimit = $self->{opts}->{bwlimit};
+
+ if (defined($self->{online_local_volumes})) {
$self->{storage_migration} = 1;
$self->{storage_migration_jobs} = {};
$self->log('info', "starting storage migration");
die "The number of local disks does not match between the source and the destination.\n"
if (scalar(keys %{$self->{target_drive}}) != scalar @{$self->{online_local_volumes}});
foreach my $drive (keys %{$self->{target_drive}}){
- my $nbd_uri = $self->{target_drive}->{$drive}->{nbd_uri};
- $self->log('info', "$drive: start migration to to $nbd_uri");
- PVE::QemuServer::qemu_drive_mirror($vmid, $drive, $nbd_uri, $vmid, undef, $self->{storage_migration_jobs}, 1);
+ my $target = $self->{target_drive}->{$drive};
+ my $nbd_uri = $target->{nbd_uri};
+ my $source_sid = PVE::Storage::Plugin::parse_volume_id($conf->{$drive});
+ my $target_sid = PVE::Storage::Plugin::parse_volume_id($target->{volid});
+ my $bwlimit = PVE::Storage::get_bandwidth_limit('migrate', [$source_sid, $target_sid], $opt_bwlimit);
+
+ $self->log('info', "$drive: start migration to $nbd_uri");
+ PVE::QemuServer::qemu_drive_mirror($vmid, $drive, $nbd_uri, $vmid, undef, $self->{storage_migration_jobs}, 1, undef, $bwlimit);
}
}
# load_defaults
my $defaults = PVE::QemuServer::load_defaults();
- # always set migrate speed (overwrite kvm default of 32m)
- # we set a very hight default of 8192m which is basically unlimited
- my $migrate_speed = $defaults->{migrate_speed} || 8192;
- $migrate_speed = $conf->{migrate_speed} || $migrate_speed;
- $migrate_speed = $migrate_speed * 1048576;
+ # migrate speed can be set via bwlimit (datacenter.cfg and API) and via the
+ # migrate_speed parameter in qm.conf - take the lower of the two.
+ my $bwlimit = PVE::Storage::get_bandwidth_limit('migrate', undef, $opt_bwlimit) // 0;
+ my $migrate_speed = $conf->{migrate_speed} // $bwlimit;
+ # migrate_speed is in MB/s, bwlimit in KB/s
+ $migrate_speed *= 1024;
+
+ $migrate_speed = ($bwlimit < $migrate_speed) ? $bwlimit : $migrate_speed;
+
+ # always set migrate speed (overwrite kvm default of 32m) we set a very high
+ # default of 8192m which is basically unlimited
+ $migrate_speed ||= ($defaults->{migrate_speed} || 8192) * 1024;
+
+ # qmp takes migrate_speed in B/s.
+ $migrate_speed *= 1024;
$self->log('info', "migrate_set_speed: $migrate_speed");
eval {
PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate_set_speed", value => int($migrate_speed));
# set cachesize to 10% of the total memory
my $memory = $conf->{memory} || $defaults->{memory};
my $cachesize = int($memory * 1048576 / 10);
+ $cachesize = round_powerof2($cachesize);
+
$self->log('info', "set cachesize: $cachesize");
eval {
PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate-set-cache-size", value => int($cachesize));
my (undef, $proxyticket) = PVE::AccessControl::assemble_spice_ticket($authuser, $vmid, $self->{node});
my $filename = "/etc/pve/nodes/$self->{node}/pve-ssl.pem";
- my $subject = PVE::AccessControl::read_x509_subject_spice($filename);
+ my $subject = PVE::AccessControl::read_x509_subject_spice($filename);
$self->log('info', "spice client_migrate_info");
$self->{errors} = 1;
}
}
+
+ if ($self->{storage_migration} && PVE::QemuServer::parse_guest_agent($conf)->{fstrim_cloned_disks} && $self->{running}) {
+ my $cmd = [@{$self->{rem_ssh}}, 'qm', 'guest', 'cmd', $vmid, 'fstrim'];
+ eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) };
+ }
}
# close tunnel on successful migration, on error phase2_cleanup closed it
last if $timer > 50;
$timer ++;
usleep(200000);
- }
+ }
}
};
# nothing to do
}
+sub round_powerof2 {
+ return 1 if $_[0] < 2;
+ return 2 << int(log($_[0]-1)/log(2));
+}
+
1;