Watchdog, and supporting programs

Seann Clark nombrandue at tsukinokage.net
Thu Oct 2 18:41:25 UTC 2008


All,

    I have been playing with watchdog on my systems in the past few 
months. One Fedora 8 older Tyan board with hardware watchdog, and one 
new Fedora 9 Asus server board with hard ware watchdog. While using this 
in its normal configuration everything works fine, and stable. I have 
run into one problem with it. While over using my new server for I/O 
intensive activities, I launched the load to 27 (one minute load 
average) which triggered the default software watchdogs limit of 24 max 
1 minute load average. It did what it was supposed to, and rebooted the 
system. Tweaking problems remain on this box and I need to set it up to 
live through a full reboot (it fails a check during boot and reboots the 
box half way through a box, which is a glaring personal error in 
configuration).

    The other system I have is rather stable and has no problems with 
the watchdog and it runs as I require it. What I am after from the group 
with this is what repair style programs are being used, and examples of 
such, if anyone is using this. I am working on writing my own, but I am 
not sure where I want to go, and am looking for good idea's and gotcha's 
on this as well.


Thanks in advance,
Seann




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