$hostfw_conf = load_hostfw_conf($cluster_conf, undef) if !$hostfw_conf;
# cfs_update is handled by daemon or API
- $corosync_conf = PVE::Cluster::cfs_read_file("corosync.conf") if !$corosync_conf;
+ $corosync_conf = PVE::Cluster::cfs_read_file("corosync.conf")
+ if !defined($corosync_conf) && PVE::Corosync::check_conf_exists(1);
$vmdata = read_local_vm_config();
$vmfw_configs = read_vm_firewall_configs($cluster_conf, $vmdata, undef);