[root@linux ~]# smartctl -l selftest /dev/sda
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 READ SMART DATA SECTION ===
SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Self-test routine in progress 20%      1918         -
# 2  Short offline       Completed without error       00%      1911         -
# 3  Short offline       Completed without error       00%      1911         -
# 4  Extended offline    Completed without error       00%      1706         -
# 5  Short offline       Completed without error       00%      1356         -
# 6  Extended offline    Completed without error       00%       971         -
# 7  Short offline       Completed without error       00%       968         -

