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Man Pages


Manual Reference Pages  -  SAS_DISK_BLINK (8)

NAME

sas_disk_blink - blink the LED on a SAS disk

CONTENTS

Synopsis
Description
Options
Exit Status
Authors
Copyright

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)
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sdparm-1.08 SAS_DISK_BLINK (8) May 2013

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