Avoid blocking backwards migration to nodes that do not support the new 'nets-host-mtu' parameter yet for local cluster migrations.
Suggested-by: Thomas Lamprecht <[email protected]> Signed-off-by: Fiona Ebner <[email protected]> --- src/PVE/QemuMigrate.pm | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/src/PVE/QemuMigrate.pm b/src/PVE/QemuMigrate.pm index 4381b542..f01c7907 100644 --- a/src/PVE/QemuMigrate.pm +++ b/src/PVE/QemuMigrate.pm @@ -958,6 +958,18 @@ sub phase1_cleanup { } } +my sub target_supports_nets_host_mtu { + my ($self, $forcemachine) = @_; + + return 1 if PVE::QemuServer::Machine::is_machine_version_at_least($forcemachine, 10, 0, 1); + + my $cmd = [$self->{rem_ssh}->@*, 'qm', 'start', 0, '--nets-host-mtu']; + + my $err = ''; + eval { PVE::Tools::run_command($cmd, outfunc => sub { }, errfunc => sub { $err .= shift }) }; + return $err =~ m/^Unknown option: nets-host-mtu/ ? 0 : 1; +} + sub phase2_start_local_cluster { my ($self, $vmid, $params) = @_; @@ -998,7 +1010,7 @@ sub phase2_start_local_cluster { push @$cmd, '--force-cpu', $start->{forcecpu}; } - if ($start->{'nets-host-mtu'}) { + if ($start->{'nets-host-mtu'} && target_supports_nets_host_mtu($self, $start->{forcemachine})) { push @$cmd, '--nets-host-mtu', $start->{'nets-host-mtu'}; } -- 2.47.2 _______________________________________________ pve-devel mailing list [email protected] https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
