SAS_DISK_BLINK(8) SDPARM SAS_DISK_BLINK(8)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 (C) 2013 Douglas Gilbert
This software is distributed under a FreeBSD license. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
POSE.
SEE ALSO
sdparm (sdparm)
sdparm-1.08 May 2013 SAS_DISK_BLINK(8)
Check Out this Related Man Page
SCSI_STOP(8) SG3_UTILS SCSI_STOP(8)NAME
scsi_stop - stop (spin down) one or more SCSI disks
SYNOPSIS
scsi_stop [--help] [--verbose] [--wait] DEVICE [DEVICE]*
DESCRIPTION
This bash shell script calls the sg_start utility on each given DEVICE. The purpose is to spin down (stop) each given DEVICE.
OPTIONS
Arguments to long options are mandatory for short options as well.
-h, --help
print out the usage message then exit.
-v, --verbose
increase level or verbosity.
-w, --wait
wait for the spin down (stop) on each given DEVICE to complete. The default action is to do each stop in immediate mode.
NOTES
The sg_start utility calls the SCSI START STOP UNIT command and can either start (spin up) or stop (spin down) a SCSI disk depending on the
given command line options.
EXIT STATUS
The exit status of this script is 0 when it is successful. Otherwise the exit status is that of the last sg_start utility called. See the
sg3_utils(8) man page.
AUTHORS
Written by D. Gilbert
COPYRIGHT
Copyright (C) 2009-2013 Douglas Gilbert
This software is distributed under a FreeBSD license. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PUR-
POSE.
SEE ALSO
sg_start (sg3_utils)
sg3_utils-1.36 May 2013 SCSI_STOP(8)
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