NAME¶
sas_disk_blink - blink the LED on a SAS disk
SYNOPSIS¶
sas_disk_blink [
--help] [
--set NUM] [
--verbose]
DEVICE
DESCRIPTION¶
This bash shell script attempts to blink the LED on the SAS disk referred to by
DEVICE. 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.
OPTIONS¶
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.
EXIT STATUS¶
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.
AUTHORS¶
Written by D. Gilbert
COPYRIGHT¶
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.
SEE ALSO¶
sdparm (sdparm)