Date: Tue, 20 May 2008 10:47:48 -0500 From: Derek Ragona <derek@computinginnovations.com> To: "Alan Gilmour" <alandgilmour@gmail.com>, freebsd-questions@freebsd.org Subject: Re: Server crashing, no explanations Message-ID: <6.0.0.22.2.20080520104521.0250f878@mail.computinginnovations.com> In-Reply-To: <38f284ee0805200717l7008e18fud9631bf80839ceb1@mail.gmail.co m> References: <38f284ee0805200717l7008e18fud9631bf80839ceb1@mail.gmail.com>
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At 09:17 AM 5/20/2008, Alan Gilmour wrote: >Hey all, > >We have recently been getting a lot of traffic to one of our sites. >The CPU is consistently during busy periods using 100% utilisation. >When this happens we have approx 150 apache threads, and the loads >goes way above 15. > >However recently the server has been auto-restarting (when under heavy >load) with no explanation in any logs. I've checked the console log, >messages, db logs e.t.c. but no mention of anything wrong. > >Brief server summary : > >FreeBSD 6.3-STABLE #0: >CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2800.11-MHz 686-class CPU) > Logical CPUs per core: 2 >real memory = 17716740096 (16896 MB) >avail memory = 16837763072 (16057 MB) >FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs > >We tried installing mbmon and lmmon and healthd, but none seem to work. > >Anyone got any suggestions for other things we can try to detect why >the server is failing? or other ways to check things like CPU temp and >memory status? > >Cheers > >Alan Alan, Have you run the complete dell diagnostics? Also I would run the diagnostics for the hard drive from that manufacturer as well. Do you have any issues with power to this server? Does it have a redundant power supply installed? Any issues with heat? -Derek -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
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