server unresponsive after several days

[McDougall, Marshall (FSH)]

>-----Original Message-----
>From: redhat-list-bounces at redhat.com 
>[mailto:redhat-list-bounces at redhat.com] On Behalf Of 
>cleger at scs.carleton.ca
>Sent: Tuesday, March 27, 2007 3:52 PM
>To: redhat-list at redhat.com
>Subject: server unresponsive after several days
>
>Greetings list, 
>
>I have a server that serves (pun inevitable) as storage array 
>on my network.
>This machine works fine, except for the strange fact that, a 
>few days after
>booting up, the machine, while still on, stops responding to 
>pings, to keyboard
>input, to ssh requests, and anything else I can throw at it. 
>
>Would anyone like to suggest a troubleshooting approach to 
>this? Has anyone
>heard of any such thing happening? The OS is Red Hat 
>Enterprise Linux AS release
>4 (Nahant Update 3). Is this, in your experience, more likely 
>to happen due to
>the hardware being wonky, or the OS having some bug? 
>
>Thanks in advance, 
>
>Christian Leger
>
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When did the problem start?
What has changed?
We had similar problems with Dell 2550's and we alleviated most of the
problems with firmware updates.  The problems never completely
disappeared, but the frequency diminished significantly.

Regards, Marshall