zfs clone $EXTP_ZFS/$VOL_ORIGIN@snap $EXTP_ZFS/$VOL_NAME || true
zfs set lv:s='s' $EXTP_ZFS/$VOL_NAME
zfs set ganeti:originstname=$(VOL_NAME=$VOL_ORIGIN zfs_get ganeti:originstname) $EXTP_ZFS/$VOL_NAME
+ zfs set lv:origin=$VOL_ORIGIN $EXTP_ZFS/$VOL_NAME
export VOL_NAME
echo $VOL_NAME
$dir/attach