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