sas_disk_blink - blink the LED on a SAS disk
] [--set NUM
This bash shell script attempts to blink the LED on the SAS disk referred to by
. By default the LED will blink for 30 seconds. This is meant to
help identify which disk corresponds to a given DEVICE
The script use the sdparm utility and manipulates the "Ready LED
Meaning" (RLM) field in the Protocol specific port mode page in order to
blink the LED.
Arguments to long options are mandatory for short options as well.
- -h, --help
- print out the usage message then exit.
- -s, --set NUM
- when NUM is 0 then the RLM field is cleared. When
NUM is 1 then the RLM field is set. When NUM > 1 then the
SAS disk LED is made to blink for NUM seconds. If this option is
not given then the SAS disk LED is made to blink for 30 seconds.
- -v, --verbose
- increase level or verbosity.
The exit status of this script is 0 when it is successful. Otherwise the exit
status is that of the last sdparm utility called. See the sdparm(8) man page.
Written by D. Gilbert
Copyright © 2013 Douglas Gilbert
This software is distributed under a FreeBSD license. There is NO warranty; not
even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.