zdb(8) on FreeBSD
The text 87c29bbec9e7, as FreeBSD 10.2-RELEASE shipped it.
Display zpool debugging and consistency information
Flags it lists
-
-A -
-AA -
-AAA -
-C -
-D -
-F -
-L -
-M -
-P -
-S -
-U -
-X -
-b -
-c -
-d -
-h -
-i -
-l -
-m -
-s -
-t -
-u -
-v -
-x