#
# This code is distributed under the terms of the GPL
#
-# 20.08.2007 Maniacikarus - IPFire.org - maniacikarus@ipfire.org
-#
+# 18.09.2007 Maniacikarus - IPFire.org - maniacikarus@ipfire.org
+# 22.09.2007 Arne_F - fitzenreiter.de - arne@fitzenreiter.de
# begin
-my @proc = `cat /proc/diskstats`;
my @devices = `kudzu -qps -c HD | grep device: | cut -d" " -f2 | sort | uniq`;
-my %diskstatus = "";
+my $diskstats = "";
+my $newdiskstats = "";
my $debug = 1;
-my $status = "unknown";
-
-if ( @ARGV[0] eq "state" ){
-my $hdd = @ARGV[1];
-$status = `hdparm -C /dev/$hdd | tail -1 | cut -d: -f2`;
-
-if ( $status=~/standby/){
- my $ftime = localtime((stat("/tmp/hddshutdown-$hdd"))[9]);
- print"<B>Disk $hdddev status: <font color=#00FF00>standby</font></B> (since $ftime)";
- }
-else{
- print"<B>Disk $hdddev status: <font color=#FF0000>active</font></B>";
- }
-exit;
-}
-
-if ($debug){print "### Reading Diskstats ###\n";}
-
-foreach (@proc){
-my @line = split(/ +/,$_);
-$diskstatus{$line[3]} =$line[12];
-if ($debug){print "Getting device ".$line[3]." with the following value ".$line[12]."\n";}
-}
+my $status = "";
if ($debug){print "### Searching for available Disks ###\n";}
foreach (@devices){
-chomp $_;
-if ($debug){print "Device ".$_." has ".$diskstatus{$_}." IO Requests.\n";}
-$status = `hdparm -C /dev/$_ | tail -1 | cut -d: -f2`;
-
- if ($diskstatus{$_} eq "0" && $status !=~/standby/){
- if ($debug){print "Device ".$_." is set to standy.\n";}
- system("/sbin/hdparm -y /dev/$_");
- system("touch /tmp/hddshutdown-$_");
- }
- elsif ($diskstatus{$_} ne "0" || $status !=~/standby/){
- if ($debug){print "Device ".$_." is active.\n";}
- if ( -e "/tmp/hddshutdown-$_" ) { system("unlink /tmp/hddshutdown-$_"); }
- }
+ chomp $_;
+ my @array = split(/\//,$_);
+ $diskstats = `cat /var/run/hddstats-$array[$#array]`;
+ 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