[root@linux ~]# smartctl -X /dev/sdb
smartctl 5.39 2008-05-08 21:56 [i686-pc-linux-gnu] (local build)
Copyright (C) 2002-8 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===
Sending command: "Abort SMART off-line mode self-test routine".
Self-testing aborted!
