<br><br><b><i>Leonard Isham <leonard.isham@gmail.com></i></b> wrote:<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"> On 3/28/06, Benjamin J. Weiss <benjamin @birdvet.org=""> wrote:<br>> Sorry, it's an HP/Compaq ML-530. It didn't do this until I changed the<br>> OS, so I doubt that it's a BIOS issue.<br>><br>[snip]<br>> >><br>> >>I've got an RHEL-4 server (yep, I know it's not CentOS, but hey we gotta<br>> >>send some money RH's way to keep CentOS up and going! ) that's running<br>> >>Oracle 10g. This same hardware worked just fine for over a year running<br>> >>RHEL-AS-2.1 and Oracle 9i. Now we're getting spontaneous reboots when<br>> >>running oracle processes that eat up a bunch of resources. I don't know<br>> >>where to go from here.<br>> >><br>> >><br>> ><br>> >I didn't see a mention of the hardware type,
but some systems have a<br>> >BIOS setting to reboot if the hardware doesn't detecet any "activity"<br>> >for a period of time. Check for that setting and disable that<br>> >feature. This may solve the issue. If not at least let you see the<br>> >crash if there is one.<br>> ><br><br>Unless they changes since the acquisition the system has the BIOS<br>setting I mentioned.<br><br>You specified that this happens under a heavy load. With the newer OS<br>ans Oracle the hardware may think that the server is locked up. Or<br>you may actually be experiencing a lock-up and the BIOS setting causes<br>a reboot<br><br> </benjamin></blockquote><br> There could even be a simpler reason for this problem. <br> We had a server do this very thing under REHL-3 and it <br> turned out to be hardware related. <br> <br> The servive technicians came in and reset the the memory, CPU,<br> replaced the CPU fan, and reset the bios.<br> <br>
Our problem may have been to over heating after the system<br> was up and running for a few hours.<br> <br> No upgrade to the bios was needed in our situation. <br> <br> This system is only about 2 years old and is rack mounted.<br> Be sure you have enough air flow to and around the system.<br> <br> <br>