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1 | #!/usr/bin/perl | |
2 | # | |
3 | # IPFire HDD Shutdown state reader | |
4 | # | |
5 | # This code is distributed under the terms of the GPL | |
6 | # | |
7 | # 18.09.2007 Maniacikarus - IPFire.org - maniacikarus@ipfire.org | |
8 | # 22.09.2007 Arne_F - fitzenreiter.de - arne@fitzenreiter.de | |
9 | ||
10 | # begin | |
11 | ||
12 | my @devices = `kudzu -qps -c HD | grep device: | cut -d" " -f2 | sort | uniq`; | |
13 | my $diskstats = ""; | |
14 | my $newdiskstats = ""; | |
15 | my $debug = 1; | |
16 | my $status = ""; | |
17 | ||
18 | if ($debug){print "### Searching for available Disks ###\n";} | |
19 | ||
20 | foreach (@devices){ | |
21 | chomp $_; | |
22 | my @array = split(/\//,$_); | |
23 | $diskstats = `cat /var/run/hddstats-$array[$#array]`; | |
24 | chomp $diskstats; | |
25 | $newdiskstats = `iostat -d -t $_ | tail -2 | head -1 | awk '{ print \$5","\$6}'`; | |
26 | chomp $newdiskstats; | |
27 | $status = `hdparm -C /dev/$_ | tail -1 | cut -d: -f2`; | |
28 | chomp $status; | |
29 | ||
30 | if ($debug){print "Device ".$_." IDE Power status:".$status."\n";} | |
31 | if (-e "/var/run/hddshutdown-$array[$#array]" && $status !~/standby/) | |
32 | { | |
33 | if ($debug){print "Remove wrong standby marking\n";} | |
34 | if ( -e "/var/run/hddshutdown-$array[$#array]" ) { system("unlink /var/run/hddshutdown-$array[$#array]"); } | |
35 | } | |
36 | ||
37 | if ($debug){print "Device ".$_." has ".$newdiskstats." write and read Requests, was ".$diskstats." at last run.\n";} | |
38 | if ($diskstats eq $newdiskstats && (! -e "/var/run/hddshutdown-$array[$#array]") ) | |
39 | { | |
40 | if ($debug){print "Setting Device ".$_." to standby ... ";} | |
41 | $status = `hdparm -y /dev/$_ 2>&1`; | |
42 | chomp $status; | |
43 | if ($status !~/Invalid/) | |
44 | { | |
45 | if ($debug){print "OK\n";} | |
46 | system("touch /var/run/hddshutdown-$array[$#array]"); | |
47 | } | |
48 | else | |
49 | { | |
50 | if ($debug){print "FAIL\n";} | |
51 | } | |
52 | } | |
53 | if ($diskstats ne $newdiskstats) | |
54 | { | |
55 | if ($debug){print "Device ".$_." is active.\n";} | |
56 | if ( -e "/var/run/hddshutdown-$array[$#array]" ) { system("unlink /var/run/hddshutdown-$array[$#array]"); } | |
57 | } | |
58 | system("echo $newdiskstats > /var/run/hddstats-$array[$#array]"); | |
59 | } | |
60 | ||
61 | # end |