+ return $input;
+};
+
+# note: this only checks a single list entry
+# when using a storagepair-list map, you need to pass the full parameter to
+# parse_idmap
+register_format('storagepair', \&verify_storagepair);
+sub verify_storagepair {
+ my ($storagepair, $noerr) = @_;
+ return $verify_idpair->($storagepair, $noerr, 'pve-storage-id');
+}