Files
bpfire/src/scripts/hddshutdown
2012-01-16 22:22:17 +01:00

76 lines
3.2 KiB
Perl

#!/usr/bin/perl
###############################################################################
# #
# IPFire.org - A linux based firewall #
# Copyright (C) 2007-2011 IPFire Team <info@ipfire.org> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <http://www.gnu.org/licenses/>. #
# #
###############################################################################
#
# IPFire HDD Shutdown state reader
#
# Also devices that cannot shutdown must be here for mediagraphs.
my @devices = `ls -1 /sys/block | grep -E '^sd|^xvd|^vd|^md' | sort | uniq`;
my $diskstats = "";
my $newdiskstats = "";
my $debug = 1;
my $status = "";
if ($debug){print "### Searching for available Disks ###\n";}
foreach (@devices){
chomp $_;
my @array = split(/\//,$_);
$diskstats = `cat /var/run/hddstats-$array[$#array] 2>/dev/null`;
chomp $diskstats;
$newdiskstats = `iostat -d -t $_ | tail -2 | head -1 | awk '{ print \$5","\$6}'`;
chomp $newdiskstats;
$status = `hdparm -C /dev/$_ | tail -1 | cut -d: -f2`;
chomp $status;
if ($debug){print "Device ".$_." IDE Power status:".$status."\n";}
if (-e "/var/run/hddshutdown-$array[$#array]" && $status !~/standby/)
{
if ($debug){print "Remove wrong standby marking\n";}
if ( -e "/var/run/hddshutdown-$array[$#array]" ) { system("unlink /var/run/hddshutdown-$array[$#array]"); }
}
if ($debug){print "Device ".$_." has ".$newdiskstats." write and read Requests, was ".$diskstats." at last run.\n";}
if ($diskstats eq $newdiskstats && (! -e "/var/run/hddshutdown-$array[$#array]") )
{
if ($debug){print "Setting Device ".$_." to standby ... ";}
$status = `hdparm -y /dev/$_ 2>&1`;
chomp $status;
if ($status !~/Invalid/)
{
if ($debug){print "OK\n";}
system("touch /var/run/hddshutdown-$array[$#array]");
}
else
{
if ($debug){print "FAIL\n";}
}
}
if ($diskstats ne $newdiskstats)
{
if ($debug){print "Device ".$_." is active.\n";}
if ( -e "/var/run/hddshutdown-$array[$#array]" ) { system("unlink /var/run/hddshutdown-$array[$#array]"); }
}
system("echo $newdiskstats > /var/run/hddstats-$array[$#array]");
}
# end