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From: Markus Frank <m.frank@proxmox.com>
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Date: Tue, 4 Mar 2025 12:57:57 +0100
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Subject: [pve-devel] [PATCH qemu-server v14 6/12] migration:
check_local_resources for virtiofs
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add dir mapping checks to check_local_resources
Since the VM needs to be powered off for migration, migration should
work with a directory on shared storage with all caching settings.
Signed-off-by: Markus Frank <m.frank@proxmox.com>
Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
---
v14:
* nothing changed
PVE/QemuServer.pm | 12 +++++++++++-
test/MigrationTest/Shared.pm | 7 +++++++
2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index 748b0acf..648b28cd 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -2486,6 +2486,7 @@ sub check_local_resources {
my $nodelist = PVE::Cluster::get_nodelist();
my $pci_map = PVE::Mapping::PCI::config();
my $usb_map = PVE::Mapping::USB::config();
+ my $dir_map = PVE::Mapping::Dir::config();
my $missing_mappings_by_node = { map { $_ => [] } @$nodelist };
@@ -2497,6 +2498,8 @@ sub check_local_resources {
$entry = PVE::Mapping::PCI::get_node_mapping($pci_map, $id, $node);
} elsif ($type eq 'usb') {
$entry = PVE::Mapping::USB::get_node_mapping($usb_map, $id, $node);
+ } elsif ($type eq 'dir') {
+ $entry = PVE::Mapping::Dir::get_node_mapping($dir_map, $id, $node);
}
if (!scalar($entry->@*)) {
push @{$missing_mappings_by_node->{$node}}, $key;
@@ -2525,9 +2528,16 @@ sub check_local_resources {
push @$mapped_res, $k;
}
}
+ if ($k =~ m/^virtiofs/) {
+ my $entry = parse_property_string('pve-qm-virtiofs', $conf->{$k});
+ if ($entry->{dirid}) {
+ $add_missing_mapping->('dir', $k, $entry->{dirid});
+ push @$mapped_res, $k;
+ }
+ }
# sockets are safe: they will recreated be on the target side post-migrate
next if $k =~ m/^serial/ && ($conf->{$k} eq 'socket');
- push @loc_res, $k if $k =~ m/^(usb|hostpci|serial|parallel)\d+$/;
+ push @loc_res, $k if $k =~ m/^(usb|hostpci|serial|parallel|virtiofs)\d+$/;
}
die "VM uses local resources\n" if scalar @loc_res && !$noerr;
diff --git a/test/MigrationTest/Shared.pm b/test/MigrationTest/Shared.pm
index aa7203d1..c5d07222 100644
--- a/test/MigrationTest/Shared.pm
+++ b/test/MigrationTest/Shared.pm
@@ -90,6 +90,13 @@ $mapping_pci_module->mock(
},
);
+our $mapping_dir_module = Test::MockModule->new("PVE::Mapping::Dir");
+$mapping_dir_module->mock(
+ config => sub {
+ return {};
+ },
+);
+
our $ha_config_module = Test::MockModule->new("PVE::HA::Config");
$ha_config_module->mock(
vm_is_ha_managed => sub {
--
2.39.5
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