Date: Thu, 17 Dec 2009 12:46:52 -0900 From: Mel Flynn <mel.flynn+fbsd.questions@mailing.thruhere.net> To: freebsd-questions@freebsd.org Subject: Re: System crashes under heavy disk i/o Message-ID: <200912171246.53037.mel.flynn%2Bfbsd.questions@mailing.thruhere.net> In-Reply-To: <4B2AA1F4.5020206@locolomo.org> References: <4B2AA1F4.5020206@locolomo.org>
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On Thursday 17 December 2009 12:26:12 Erik Norgaard wrote: > My two questions: > > - is there any utility that I can use monitor the system to see what's > going on, when or why? gstat(8) Also, perhaps syslog to a different machine or nfs mount /var/log if you feel you're missing a log message due to this error. > - is there any way that I can slow down the disk i/o? Turn down operating mode via atacontrol. If using dump(8) use the cache feature and/or do the backup from live disk, so no other services are running and disk isn't accessed other then by dump. -- Mel
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