[CentOS] Server spontaneously rebooting under RHEL-4

BRUCE STANLEY bruce.stanley at prodigy.net
Tue Mar 28 15:23:01 UTC 2006



Leonard Isham <leonard.isham at gmail.com> wrote:  On 3/28/06, Benjamin J. Weiss  wrote:
> Sorry, it's an HP/Compaq ML-530.  It didn't do this until I changed the
> OS, so I doubt that it's a BIOS issue.
>
[snip]
> >>
> >>I've got an RHEL-4 server (yep, I know it's not CentOS, but hey we gotta
> >>send some money RH's way to keep CentOS up and going! ) that's running
> >>Oracle 10g.  This same hardware worked just fine for over a year running
> >>RHEL-AS-2.1 and Oracle 9i.  Now we're getting spontaneous reboots when
> >>running oracle processes that eat up a bunch of resources.  I don't know
> >>where to go from here.
> >>
> >>
> >
> >I didn't see a mention of the hardware type, but some systems have a
> >BIOS setting to reboot if the hardware doesn't detecet any "activity"
> >for a period of time.  Check for that setting and disable that
> >feature.  This may solve the issue. If not at least let you see the
> >crash if there is one.
> >

Unless they changes since the acquisition the system has the BIOS
setting I mentioned.

You specified that this happens under a heavy load.  With the newer OS
ans Oracle the hardware may think that the server is locked up.  Or
you may actually be experiencing a lock-up and the BIOS setting causes
a reboot

 
  There could even be a simpler reason for this problem.  
  We had a server do this very thing under  REHL-3  and it 
  turned out to be hardware related.  
  
  The servive technicians came in and reset the the memory, CPU,
  replaced the CPU fan, and reset the bios.
  
  Our problem may have been to over heating after the system
  was up and running for a few hours.
  
   No upgrade to the bios was needed in our situation.   
  
  This system is only about 2 years old and is rack mounted.
  Be sure you have enough air flow to and around the system.
  
  
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