src/scripts/hddshutdown

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2011  IPFire Team  <info@ipfire.org>                     #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21 #
  22 # IPFire HDD Shutdown state reader
  23 #
  24
  25 my @devices = `kudzu -qps -c HD | grep device: | cut -d" " -f2 | sort | uniq`;
  26 my $diskstats = "";
  27 my $newdiskstats = "";
  28 my $debug = 1;
  29 my $status = "";
  30
  31 if ($debug){print "### Searching for available Disks ###\n";}
  32
  33 foreach (@devices){
  34     chomp $_;
  35     my @array = split(/\//,$_);
  36     $diskstats = `cat /var/run/hddstats-$array[$#array] 2>/dev/null`;
  37     chomp $diskstats;
  38     $newdiskstats = `iostat -d -t $_ | tail -2 | head -1 | awk '{ print \$5","\$6}'`;
  39     chomp $newdiskstats;
  40     $status = `hdparm -C /dev/$_ | tail -1 | cut -d: -f2`;
  41     chomp $status;
  42
  43     if ($debug){print "Device ".$_." IDE Power status:".$status."\n";}
  44     if (-e "/var/run/hddshutdown-$array[$#array]" && $status !~/standby/)
  45     {
  46         if ($debug){print "Remove wrong standby marking\n";}
  47         if ( -e "/var/run/hddshutdown-$array[$#array]" ) { system("unlink /var/run/hddshutdown-$array[$#array]"); }
  48     }
  49
  50     if ($debug){print "Device ".$_." has ".$newdiskstats." write and read Requests, was ".$diskstats." at last run.\n";}
  51     if ($diskstats eq $newdiskstats && (! -e "/var/run/hddshutdown-$array[$#array]") )
  52     {
  53         if ($debug){print "Setting Device ".$_." to standby ... ";}
  54         $status = `hdparm -y /dev/$_ 2>&1`;
  55         chomp $status;
  56         if ($status !~/Invalid/)
  57         {
  58             if ($debug){print "OK\n";}
  59             system("touch /var/run/hddshutdown-$array[$#array]");
  60         }
  61         else
  62         {
  63             if ($debug){print "FAIL\n";}
  64         }
  65     }
  66     if ($diskstats ne $newdiskstats)
  67     {
  68         if ($debug){print "Device ".$_." is active.\n";}
  69         if ( -e "/var/run/hddshutdown-$array[$#array]" ) { system("unlink /var/run/hddshutdown-$array[$#array]"); }
  70     }
  71     system("echo $newdiskstats > /var/run/hddstats-$array[$#array]");
  72 }
  73
  74 # end