JohnS wrote:
> On Fri, 2009-05-22 at 09:44 +0200, Peter Hopfgartner wrote:
> <snip>
>
>>>
>>>
>> Would it make sense to install the kernel from CentOS 5.2? Any
>> contraindications?
>>
>> Regards,
>>
>> Peter
>>
> ---
> Now why in the world would you want to do that??? You running 5.3 as per
> your earlier post and your uname shows you running the Xen Kernel.
> Always run the newest kernel *unless* there are very good reasons not to
> and I do not see that for your situation. Use the latest 5.3 NON Xen
> Kernel to test it with.
>
A random kernel reboot on a production machine is a good reason, at
least from my POV. It run fine for months with 5.2 and has now problems
running with 5.3. If it is not able to run XEN, then I have to trash the
whole thing, since the ASp services hosten on the machine are within XEN
guests. No XEN - no business. And id DID run fine before the update.
> My sejustion is unplug everything hooked to it but the power and network
> cabling. Open it up while it is running, and shake the cables lightly
> ( don't jerk on them). External disk array, unplug it also. USB floppies
> and cd drives unplug emmm all.
>
> Is it under a heavy load? High cpu usage? Some times when there is a
> power supply on the verge of dying you don't really know until disk I/O
> climbs real high thus pulling loads of wattage. Pentium 4 and up cpus
> are bad about this also.
>
No heavy load, it crashes even at times when tere is almost noload at
all. The power supplies are rwedundand and hardware monitoring tells me
they are both fine, as is the rest of the hardware of the machine.
> Run memtest86 for a few hours not just a min or two and say ahh it's ok.
> It takes time. Is there gaps in your log files like white space?
>
No gaps. Simply the machine restarts at a given moment. No shutdown, no
traces of a kernel panic
> Hardware raid controller updated to latest firmware release?
Indeed, updating firmware and maybe some drivers from Dell's support
site will be the next actions.
> Ok I guess
> others can tack onto my list here as well.I wouldn't get to discouraged
> because sometimes it can take days to find the problem.
>
>
>
Thank you for the infos,
Peter
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>
--
Dott. Peter Hopfgartner
R3 GIS Srl - GmbH
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I-39012 Meran/Merano (BZ)
Email: peter.hopfgartner@xxxxxxxxxx
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