server (partly) fails: hardware?

[Wojciech Puchar]

> Can you predict at what point the server will crash? Is it after performing
> a specific action, or at a certain time of day?

i think it's quite inpredictable, with probability proportional to disk 
load.

>
> If you can connect a monitor to the server and actually see what happens and
> also if it still accepts keystrokes and stuff, that would probably help in
> diagnosing the problem.

yes it will. i had such problem many times. it's always 
disk/cables/controller problem.

>
> Another tip might be to download memtest86 and run it for a while on the

memory is fine, disk or disk controler or cables are not.