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 # Also devices that cannot shutdown must be here for mediagraphs.
  26 my @devices = `ls -1 /sys/block | grep -E '^sd|^xvd|^vd|^md' | sort | uniq`;
  27 my $diskstats = "";
  28 my $newdiskstats = "";
  29 my $debug = 1;
  30 my $status = "";
  31
  32 if ($debug){print "### Searching for available Disks ###\n";}
  33
  34 foreach (@devices){
  35     chomp $_;
  36     my @array = split(/\//,$_);
  37     $diskstats = `cat /var/run/hddstats-$array[$#array] 2>/dev/null`;
  38     chomp $diskstats;
  39     $newdiskstats = `iostat -d -t $_ | tail -2 | head -1 | awk '{ print \$5","\$6}'`;
  40     chomp $newdiskstats;
  41     $status = `hdparm -C /dev/$_ | tail -1 | cut -d: -f2`;
  42     chomp $status;
  43
  44     if ($debug){print "Device ".$_." IDE Power status:".$status."\n";}
  45     if (-e "/var/run/hddshutdown-$array[$#array]" && $status !~/standby/)
  46     {
  47         if ($debug){print "Remove wrong standby marking\n";}
  48         if ( -e "/var/run/hddshutdown-$array[$#array]" ) { system("unlink /var/run/hddshutdown-$array[$#array]"); }
  49     }
  50
  51     if ($debug){print "Device ".$_." has ".$newdiskstats." write and read Requests, was ".$diskstats." at last run.\n";}
  52     if ($diskstats eq $newdiskstats && (! -e "/var/run/hddshutdown-$array[$#array]") )
  53     {
  54         if ($debug){print "Setting Device ".$_." to standby ... ";}
  55         $status = `hdparm -y /dev/$_ 2>&1`;
  56         chomp $status;
  57         if ($status !~/Invalid/)
  58         {
  59             if ($debug){print "OK\n";}
  60             system("touch /var/run/hddshutdown-$array[$#array]");
  61         }
  62         else
  63         {
  64             if ($debug){print "FAIL\n";}
  65         }
  66     }
  67     if ($diskstats ne $newdiskstats)
  68     {
  69         if ($debug){print "Device ".$_." is active.\n";}
  70         if ( -e "/var/run/hddshutdown-$array[$#array]" ) { system("unlink /var/run/hddshutdown-$array[$#array]"); }
  71     }
  72     system("echo $newdiskstats > /var/run/hddstats-$array[$#array]");
  73 }
  74
  75 # end