G5 starts up with LEAD on, doesn't boot, fans go wild

This G5 was working well until two days ago when I used software update to go to 10.5.8, also updated QuickTime (all done after running Cocktail.) Gradual deterioration in performance since then: first problem was fans going to high about 5 minutes after startup, could only shut down with power button. Behavior became more erratic and so I wanted to get the data off before it died completely. Didn't make it.
I have checked the RAM, reset PMU, tried target mode all without results. When I push the power button, the white LED comes on (most of the time) I hear the Apple Chime (some of the time) but then nothing else happens except the fans going wild about 5 minutes later. Can't start from install disk, DiskWarrior. I did get the install disk to boot up a few hours ago and ran Disk Utility: result was a zillion "reserved space in the directory is full" or something like that. Disk Utility then stalled about a third of the way through, fans went wild. Had to power down with power button.
any ideas greatly appreciated.

Do you have another Mac with Firewire around to try DW from with the G5 in FireWire target disk mode...
http://support.apple.com/kb/HT1661
Does it boot to Single User Mode, CMD+s keys at bootup, if so try...
/sbin/fsck -fy
Repeat until it shows no errors fixed.
(Space between fsck AND -fy important).
Resolve startup issues and perform disk maintenance with Disk Utility and fsck...
http://docs.info.apple.com/article.html?artnum=106214
have you blown the dust out lately? Could it be heat related?

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[http://www.oracle.com/technology/obe/fusion_middleware/wls103/InstallConfig/admin_mngd_srvr/admin_ms_using_nm.htm]
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* To start WebLogic Server, use a username and *
* password assigned to an admin-level user. For *
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* console at http:\\hostname:port\console *
starting weblogic with Java version:
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[INFO ][memory ] heap size: 65536K, maximal heap size: 1048576K, nursery size: 32768K
[INFO ][memory ] s-end: GC beforeK-after K (heap K), pause ms
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[INFO ][memory ] end - end time of collection (seconds since jvm start)
[INFO ][memory ] before - memory used by objects before collection (KB)
[INFO ][memory ] after - memory used by objects after collection (KB)
[INFO ][memory ] heap - size of heap after collection (KB)
[INFO ][memory ] pause - total sum of pauses during collection (milliseconds)
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java version "1.6.0_14"
Java(TM) SE Runtime Environment (build 1.6.0_14-b08)
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Question
Now when I go back to my admin console, I don't see dizzy1 server RUNNING, it has status SHUTDOWN. Screen refresh doesn't help either.
Any suggestions ??
Edited by: PaulAlsemgeest on Apr 12, 2010 9:43 AM
Edited by: PaulAlsemgeest on Apr 12, 2010 9:44 AM
Edited by: PaulAlsemgeest on Apr 12, 2010 9:44 AM
Edited by: PaulAlsemgeest on Apr 12, 2010 9:45 AM
Edited by: PaulAlsemgeest on Apr 12, 2010 9:45 AM

user12115898 wrote:
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I did an netstat -na > checkports.log
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What I did see in my nodemanager.log was:
Domains file not found: D:\oracle\MIDDLE~1\WLSERV~1.3\common\NODEMA~1\nodemanager.domains, this is strange, because the file is really there.
And when I try to start server dizzy1, the Console gives the
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Solitaire

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G5 starts up with LEAD on, doesn't boot, fans go wild

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