return ($res->{total}, $res->{avail}, $res->{used}, 1);
}
+sub volume_snapshot_list {
+ my ($class, $scfg, $storeid, $volname, $prefix, $ip) = @_;
+
+ # implement in subclass
+ die "Volume_snapshot_list is not implemented for $class";
+
+ # retrun an empty array if dataset does not exist.
+}
+
sub activate_storage {
my ($class, $storeid, $scfg, $cache) = @_;