/ 
SDD-0.04
/ SDD::Monitor::hdparm

NAME

SDD::Monitor::hdparm - a hdparm specific monitor

VERSION

Version 0.04

SYNOPSIS

Monitor hard disk spindown state using hdparm

DESCRIPTION

Tests the spin state of all the disks listed in "disks" every "loop_sleep". When all disks are in spun down state, the flag "trigger_pending" is set. If a further "trigger_time" seconds pass and all disks are still in a spun down state, the trigger is sent back to the parent process (return 1).

METHODS

new

loop_sleep <Int>

How long to sleep between each test Default: 60 (1 minute)

disks <ArrayRef>

An array of disks to be tested. e.g. /dev/sda Default: [ '/dev/sda' ]

trigger_time <Int>

The time to wait after discovering that all disks are spun down before returning (trigger a shutdown). Default: 3600 (1 hour)

use_sudo 1|0

Use sudo for hdparm

sudo hdparm -C /dev/sda

Default: 0

Example configuration

monitor:
  hdparm:
    trigger_time: 1800
    loop_sleep: 1
    use_sudo: 0
    disks: 
      - /dev/sdb
      - /dev/sdc
      - /dev/sdd

run

Run the hdparm spindown Monitor

AUTHOR

Robin Clarke, <perl at robinclarke.net>

LICENSE AND COPYRIGHT

Copyright 2011 Robin Clarke.

This program is free software; you can redistribute it and/or modify it under the terms of either: the GNU General Public License as published by the Free Software Foundation; or the Artistic License.

See http://dev.perl.org/licenses/ for more information.