NAME

Daemon::Shutdown::Monitor::hdparm - a hdparm specific monitor

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 2015 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.