1SAS_DISK_BLINK(8)                   SDPARM                   SAS_DISK_BLINK(8)
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NAME

6       sas_disk_blink - blink the LED on a SAS disk
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SYNOPSIS

9       sas_disk_blink [--help] [--set NUM] [--verbose] DEVICE
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DESCRIPTION

12       This  bash  shell  script  attempts  to  blink  the LED on the SAS disk
13       referred to by DEVICE. By default the LED will blink  for  30  seconds.
14       This  is  meant  to  help  identify  which  disk corresponds to a given
15       DEVICE.
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17       The script use the sdparm utility and manipulates the "Ready LED  Mean‐
18       ing"  (RLM)  field  in the Protocol specific port mode page in order to
19       blink the LED.
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OPTIONS

22       Arguments to long options are mandatory for short options as well.
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24       -h, --help
25              print out the usage message then exit.
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27       -s, --set NUM
28              when NUM is 0 then the RLM field is cleared. When NUM is 1  then
29              the RLM field is set. When NUM > 1 then the SAS disk LED is made
30              to blink for NUM seconds. If this option is not given  then  the
31              SAS disk LED is made to blink for 30 seconds.
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33       -v, --verbose
34              increase level or verbosity.
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EXIT STATUS

37       The  exit  status  of this script is 0 when it is successful. Otherwise
38       the exit status is that of the last  sdparm  utility  called.  See  the
39       sdparm(8) man page.
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AUTHORS

42       Written by D. Gilbert
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45       Copyright © 2013 Douglas Gilbert
46       This  software is distributed under a FreeBSD license. There is NO war‐
47       ranty; not even for MERCHANTABILITY or FITNESS FOR  A  PARTICULAR  PUR‐
48       POSE.
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SEE ALSO

51       sdparm (sdparm)
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55sdparm-1.08                        May 2013                  SAS_DISK_BLINK(8)
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