use PVE::Cluster;
use PVE::Storage;
use PVE::QemuServer;
+use Time::HiRes qw( usleep );
use base qw(PVE::AbstractMigrate);
sub lock_vm {
my ($self, $vmid, $code, @param) = @_;
-
+
return PVE::QemuServer::lock_config($vmid, $code, @param);
}
my $volhash = {};
my $cdromhash = {};
- # get list from PVE::Storage (for unused volumes)
- my $dl = PVE::Storage::vdisk_list($self->{storecfg}, undef, $vmid);
- PVE::Storage::foreach_volid($dl, sub {
- my ($volid, $sid, $volname) = @_;
+ my @sids = PVE::Storage::storage_ids($self->{storecfg});
+ foreach my $storeid (@sids) {
+ my $scfg = PVE::Storage::storage_config($self->{storecfg}, $storeid);
+ next if $scfg->{shared};
+ next if !PVE::Storage::storage_check_enabled($self->{storecfg}, $storeid, undef, 1);
- # 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}, $sid, $self->{node});
+ # get list from PVE::Storage (for unused volumes)
+ my $dl = PVE::Storage::vdisk_list($self->{storecfg}, $storeid, $vmid);
+ PVE::Storage::foreach_volid($dl, sub {
+ my ($volid, $sid, $volname) = @_;
- return if $scfg->{shared};
+ # check if storage is available on target node
+ PVE::Storage::storage_check_node($self->{storecfg}, $sid, $self->{node});
- $volhash->{$volid} = 1;
- });
+ $volhash->{$volid} = 1;
+ });
+ }
# and add used,owned/non-shared disks (just to be sure we have all)
sync_disks($self, $vmid);
- # move config to remote node
- my $conffile = PVE::QemuServer::config_file($vmid);
- my $newconffile = PVE::QemuServer::config_file($vmid, $self->{node});
-
- die "Failed to move config to node '$self->{node}' - rename failed: $!\n"
- if !rename($conffile, $newconffile);
};
sub phase1_cleanup {
if (my $err = $@) {
$self->log('err', $err);
}
-
+
if ($self->{volumes}) {
foreach my $volid (@{$self->{volumes}}) {
$self->log('err', "found stale volume copy '$volid' on node '$self->{node}'");
my $rport;
+ my $nodename = PVE::INotify::nodename();
+
## start on remote node
- my $cmd = [@{$self->{rem_ssh}}, 'qm', 'start',
- $vmid, '--stateuri', 'tcp', '--skiplock'];
+ my $cmd = [@{$self->{rem_ssh}}, 'qm', 'start',
+ $vmid, '--stateuri', 'tcp', '--skiplock', '--migratedfrom', $nodename];
PVE::Tools::run_command($cmd, outfunc => sub {
my $line = shift;
# start migration
my $start = time();
+
+ my $capabilities = {};
+ $capabilities->{capability} = "xbzrle";
+ $capabilities->{state} = JSON::true;
+
+ eval {
+ PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate-set-capabilities", capabilities => [$capabilities]);
+ };
+
+ #set cachesize 10% of the total memory
+ my $cachesize = int($conf->{memory}*1048576/10);
+ eval {
+ PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate-set-cache-size", value => $cachesize);
+ };
+
eval {
PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "migrate", uri => "tcp:localhost:$lport");
};
my $merr = $@;
- my $lstat = undef;
+ my $lstat = 0;
+ my $usleep = 2000000;
+ my $i = 0;
+ my $err_count = 0;
while (1) {
- sleep (2);
- my $stat = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "query-migrate");
-
+ $i++;
+ my $avglstat = $lstat/$i if $lstat;
+
+ usleep($usleep);
+ my $stat;
+ eval {
+ $stat = PVE::QemuServer::vm_mon_cmd_nocheck($vmid, "query-migrate");
+ };
+ if (my $err = $@) {
+ $err_count++;
+ warn "query migrate failed: $err\n";
+ if ($err_count <= 5) {
+ usleep(1000000);
+ next;
+ }
+ die "too many query migrate failures - aborting\n";
+ }
if ($stat->{status} =~ m/^(active|completed|failed|cancelled)$/im) {
$merr = undef;
-
- if ($stat->{ram}->{transferred} ne $lstat) {
- if ($stat->{status} eq 'active') {
- my ($trans, $rem, $total) = (0, 0, 0);
- $trans = sprintf "%.2f", $stat->{ram}->{transferred}/1024 if $stat->{ram}->{transferred};
- $rem = sprintf "%.2f", $stat->{ram}->{remaining}/1024 if $stat->{ram}->{remaining};
- $total = sprintf "%.2f", $stat->{ram}->{total}/1024 if $stat->{ram}->{total};
-
- $self->log('info', "migration status: $stat->{status} (transferred ${trans}KB, " .
- "remaining ${rem}KB), total ${total}KB)");
- } else {
- $self->log('info', "migration status: $stat->{status}");
- }
- }
-
+ $err_count = 0;
if ($stat->{status} eq 'completed') {
my $delay = time() - $start;
if ($delay > 0) {
$self->log('info', "migration speed: $mbps MB/s");
}
}
-
+
if ($stat->{status} eq 'failed' || $stat->{status} eq 'cancelled') {
die "aborting\n"
}
- last if $stat->{status} ne 'active';
+ if ($stat->{status} ne 'active') {
+ $self->log('info', "migration status: $stat->{status}");
+ last;
+ }
+
+ if ($stat->{ram}->{transferred} ne $lstat) {
+ my $trans = $stat->{ram}->{transferred} || 0;
+ my $rem = $stat->{ram}->{remaining} || 0;
+ my $total = $stat->{ram}->{total} || 0;
+ my $xbzrlecachesize = $stat->{"xbzrle-cache"}->{"cache-size"} || 0;
+ my $xbzrlebytes = $stat->{"xbzrle-cache"}->{"bytes"} || 0;
+ my $xbzrlepages = $stat->{"xbzrle-cache"}->{"pages"} || 0;
+ my $xbzrlecachemiss = $stat->{"xbzrle-cache"}->{"cache-miss"} || 0;
+ my $xbzrleoverflow = $stat->{"xbzrle-cache"}->{"overflow"} || 0;
+ #reduce sleep if remainig memory if lower than the everage transfert
+ $usleep = 300000 if $rem < $avglstat;
+
+ $self->log('info', "migration status: $stat->{status} (transferred ${trans}, " .
+ "remaining ${rem}), total ${total})");
+
+ $self->log('info', "migration xbzrle cachesize: ${xbzrlecachesize} transferred ${xbzrlebytes} pages ${xbzrlepages} cachemiss ${xbzrlecachemiss} overflow ${xbzrleoverflow}");
+ }
+
+ $lstat = $stat->{ram}->{transferred};
+
} else {
die $merr if $merr;
die "unable to parse migration status '$stat->{status}' - aborting\n";
}
- $lstat = $lstat->{ram}->{transferred};
- };
+ }
+}
+
+sub phase2_cleanup {
+ my ($self, $vmid, $err) = @_;
+
+ return if !$self->{errors};
+ $self->{phase2errors} = 1;
+
+ $self->log('info', "aborting phase 2 - cleanup resources");
+
+ my $conf = $self->{vmconf};
+ delete $conf->{lock};
+ eval { PVE::QemuServer::update_config_nolock($vmid, $conf, 1) };
+ if (my $err = $@) {
+ $self->log('err', $err);
+ }
+
+ # cleanup ressources on target host
+ my $nodename = PVE::INotify::nodename();
+
+ my $cmd = [@{$self->{rem_ssh}}, 'qm', 'stop', $vmid, '--skiplock', '--migratedfrom', $nodename];
+ eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) };
+ if (my $err = $@) {
+ $self->log('err', $err);
+ $self->{errors} = 1;
+ }
}
sub phase3 {
my ($self, $vmid) = @_;
-
+
my $volids = $self->{volumes};
+ return if $self->{phase2errors};
# destroy local copies
foreach my $volid (@$volids) {
my ($self, $vmid, $err) = @_;
my $conf = $self->{vmconf};
+ return if $self->{phase2errors};
+
+ # move config to remote node
+ my $conffile = PVE::QemuServer::config_file($vmid);
+ my $newconffile = PVE::QemuServer::config_file($vmid, $self->{node});
+
+ die "Failed to move config to node '$self->{node}' - rename failed: $!\n"
+ if !rename($conffile, $newconffile);
+
+ # now that config file is move, we can resume vm on target if livemigrate
+ if ($self->{tunnel}) {
+ my $cmd = [@{$self->{rem_ssh}}, 'qm', 'resume', $vmid, '--skiplock'];
+ eval{ PVE::Tools::run_command($cmd, outfunc => sub {}, errfunc => sub {}) };
+ if (my $err = $@) {
+ $self->log('err', $err);
+ $self->{errors} = 1;
+ }
+ }
# always stop local VM
eval { PVE::QemuServer::vm_stop($self->{storecfg}, $vmid, 1, 1); };
projects / qemu-server.git / blobdiff