minix * - - *
ocfs (1, 2) * * * *
vxfs * - - *
+nss (netware) * * *
+gfs, gfs2 * - - -
Raid members are detected to prevent the probing for a filesystem
-----------------------------------------------------------------
promise_raid * - - -
silicon_raid * - - -
via_raid * - - -
-
+jmicron * - - -
+adaptec * - - -
If no label is found vol_id exits with nonzero and the rule will be
ignored.