In message <[EMAIL PROTECTED]> Per Jessen <[EMAIL PROTECTED]>
wrote:

>Dennis Peterson wrote:
>
>>> At some point you've got to trust someone/something.  Who watches
>>> your daemon watcher? Who watches your OS? Who watches your
>>> power-supply?
>> 
>> I run SPARC equipment - I have monitoring for all that and cpu
>> temperature, too. There's a difference between proper monitoring and
>> absurdity. Your strawman fails that. 
>
>We run Intel equipment (mostly) and monitor all that too.  Still, it
>sounds like you've decided to trust your daemon-watcher daemon?  We do
>not use daemon-watchers simply because it's impossible to tell when to
>stop. If you trust your watcher, you might as well trust the daemons it
>watches. 

There is no reason that monitors can't monitor other monitors too, in
the software world.

In the hardware world, an unnoticed overheat will result in the
equipment going down, which would trigger whatever monitors that box to
report failures.

Is it self-healing?  No -- But not everything can heal itself.  Whether
the outage is noticed by the users of the equipment is another matter
entirely and will depend on your redundancy.
-- 
Dave Warren,
 MSN Instant Messenger:      [EMAIL PROTECTED]
 Office:  (403) 770-6140      Cell: (403) 690-3140

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