PVE::Storage::storage_can_replicate - hew helper

PVE/Storage.pm

@@ -145,6 +145,17 @@ sub storage_check_enabled {
     return storage_check_node($cfg, $storeid, $node, $noerr);
 }
 
+# storage_can_replicate:
+# return true if storage supports replication
+# (volumes alocated with vdisk_alloc() has replication feature)
+sub storage_can_replicate {
+    my ($cfg, $storeid, $format) = @_;
+
+    my $scfg = storage_config($cfg, $storeid);
+    my $plugin = PVE::Storage::Plugin->lookup($scfg->{type});
+    return $plugin->storage_can_replicate($scfg, $storeid, $format);
+}
+
 sub storage_ids {
     my ($cfg) = @_;
 

PVE/Storage/Plugin.pm

@@ -742,6 +742,12 @@ sub volume_snapshot_delete {
     return undef;
 }
 
+sub storage_can_replicate {
+    my ($class, $scfg, $storeid, $format) = @_;
+
+    return 0;
+}
+
 sub volume_has_feature {
     my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
 

PVE/Storage/ZFSPlugin.pm

@@ -336,6 +336,12 @@ sub volume_snapshot_rollback {
     $class->zfs_add_lun_mapping_entry($scfg, $volname);
 }
 
+sub storage_can_replicate {
+    my ($class, $scfg, $storeid, $format) = @_;
+
+    return 0;
+}
+
 sub volume_has_feature {
     my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;
 

PVE/Storage/ZFSPoolPlugin.pm

@@ -623,6 +623,14 @@ sub volume_resize {
     return $new_size;
 }
 
+sub storage_can_replicate {
+    my ($class, $scfg, $storeid, $format) = @_;
+
+    return 1 if $format eq 'raw' || $format eq 'subvol';
+
+    return 0;
+}
+
 sub volume_has_feature {
     my ($class, $scfg, $feature, $storeid, $volname, $snapname, $running) = @_;