[pve-devel] [PATCH v2 qemu-server 11/13] migration: keep track of replicated volumes via local_volumes
Fabian Ebner
f.ebner at proxmox.com
Fri Jan 29 16:11:41 CET 2021
by extending filter_local_volumes.
Signed-off-by: Fabian Ebner <f.ebner at proxmox.com>
---
Changes from v1:
* rebase (new check for is_replicated was introduced in the meantime)
* move setting of replicated flag to earlier (previously it happend after
run_replication) so that the next patch works
PVE/QemuMigrate.pm | 32 +++++++++++++++++---------------
1 file changed, 17 insertions(+), 15 deletions(-)
diff --git a/PVE/QemuMigrate.pm b/PVE/QemuMigrate.pm
index 09289a5..64f3054 100644
--- a/PVE/QemuMigrate.pm
+++ b/PVE/QemuMigrate.pm
@@ -9,7 +9,7 @@ use POSIX qw( WNOHANG );
use Time::HiRes qw( usleep );
use PVE::Cluster;
-use PVE::GuestHelpers qw(safe_string_ne);
+use PVE::GuestHelpers qw(safe_boolean_ne safe_string_ne);
use PVE::INotify;
use PVE::RPCEnvironment;
use PVE::Replication;
@@ -434,6 +434,9 @@ sub scan_local_volumes {
my $replicatable_volumes = !$self->{replication_jobcfg} ? {}
: PVE::QemuConfig->get_replicatable_volumes($storecfg, $vmid, $conf, 0, 1);
+ foreach my $volid (keys %{$replicatable_volumes}) {
+ $local_volumes->{$volid}->{replicated} = 1;
+ }
my $test_volid = sub {
my ($volid, $attr) = @_;
@@ -590,7 +593,7 @@ sub scan_local_volumes {
my $start_time = time();
my $logfunc = sub { $self->log('info', shift) };
- $self->{replicated_volumes} = PVE::Replication::run_replication(
+ my $replicated_volumes = PVE::Replication::run_replication(
'PVE::QemuConfig', $self->{replication_jobcfg}, $start_time, $start_time, $logfunc);
}
@@ -601,7 +604,6 @@ sub scan_local_volumes {
} elsif ($self->{running} && $ref eq 'generated') {
die "can't live migrate VM with local cloudinit disk. use a shared storage instead\n";
} else {
- next if $self->{replicated_volumes}->{$volid};
$local_volumes->{$volid}->{migration_mode} = 'offline';
}
}
@@ -637,13 +639,14 @@ sub config_update_local_disksizes {
}
sub filter_local_volumes {
- my ($self, $migration_mode) = @_;
+ my ($self, $migration_mode, $replicated) = @_;
my $volumes = $self->{local_volumes};
my @filtered_volids;
foreach my $volid (sort keys %{$volumes}) {
next if defined($migration_mode) && safe_string_ne($volumes->{$volid}->{migration_mode}, $migration_mode);
+ next if defined($replicated) && safe_boolean_ne($volumes->{$volid}->{replicated}, $replicated);
push @filtered_volids, $volid;
}
@@ -654,7 +657,7 @@ sub sync_offline_local_volumes {
my ($self) = @_;
my $local_volumes = $self->{local_volumes};
- my @volids = $self->filter_local_volumes('offline');
+ my @volids = $self->filter_local_volumes('offline', 0);
my $storecfg = $self->{storecfg};
my $opts = $self->{opts};
@@ -695,9 +698,11 @@ sub sync_offline_local_volumes {
sub cleanup_remotedisks {
my ($self) = @_;
+ my $local_volumes = $self->{local_volumes};
+
foreach my $volid (values %{$self->{volume_map}}) {
# don't clean up replicated disks!
- next if defined($self->{replicated_volumes}->{$volid});
+ next if $local_volumes->{$volid}->{replicated};
my ($storeid, $volname) = PVE::Storage::parse_volume_id($volid);
@@ -825,10 +830,8 @@ sub phase2 {
my $input = $spice_ticket ? "$spice_ticket\n" : "\n";
$input .= "nbd_protocol_version: $nbd_protocol_version\n";
- my $number_of_online_replicated_volumes = 0;
- foreach my $volid (@online_local_volumes) {
- next if !$self->{replicated_volumes}->{$volid};
- $number_of_online_replicated_volumes++;
+ my @online_replicated_volumes = $self->filter_local_volumes('online', 1);
+ foreach my $volid (@online_replicated_volumes) {
$input .= "replicated_volume: $volid\n";
}
@@ -906,7 +909,7 @@ sub phase2 {
die "unable to detect remote migration address\n" if !$raddr;
- if (scalar(keys %$target_replicated_volumes) != $number_of_online_replicated_volumes) {
+ if (scalar(keys %$target_replicated_volumes) != scalar(@online_replicated_volumes)) {
die "number of replicated disks on source and target node do not match - target node too old?\n"
}
@@ -1308,11 +1311,10 @@ sub phase3_cleanup {
$self->{errors} = 1;
}
- # destroy local copies
- foreach my $volid (keys %{$self->{local_volumes}}) {
- # keep replicated volumes!
- next if $self->{replicated_volumes}->{$volid};
+ my @not_replicated_volumes = $self->filter_local_volumes(undef, 0);
+ # destroy local copies
+ foreach my $volid (@not_replicated_volumes) {
eval { PVE::Storage::vdisk_free($self->{storecfg}, $volid); };
if (my $err = $@) {
$self->log('err', "removing local copy of '$volid' failed - $err");
--
2.20.1
More information about the pve-devel
mailing list