Date: Thu, 07 Sep 2006 01:34:26 +0200 From: Volker <volker@vwsoft.com> To: freebsd-stable@freebsd.org Subject: Re: gmirror RAID-1: rebuilding freezes machine Message-ID: <44FF5B02.3090804@vwsoft.com> In-Reply-To: <44FF4909.9020108@vwsoft.com> References: <44FF4909.9020108@vwsoft.com>
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On 2006-09-07 00:17, Volker wrote: > ... > The only way out of this machine freeze is to startup into su-mode, > deactivate/remove some gmirror providers and run in degraded mode > all time. > > The machine also does freeze in su-mode as soon as I'm manually > trying to re-sync the mirror. So I think I've made sure it's really > a gmirror problem. > ... > I'll now go on and rebuild kernel (already done) + world with > freshly csup'ed sources, reboot and test once more if gmirror > freezes again (will take an hour). talking to myself... I hate that ;) ok, I've now finished rebuilding world + kernel, installed everything and tried again. In single user mode, the machine does not freeze anymore while trying to rebuild the (any) container. But the rebuild process hangs forever at 0% without any noticeable disk activity. When going into multiuser mode with an auto re-syncing provider, the machine is hanging just right after the the message 'rebuilding provider gm0sN'. But I was able to cancel this by CTRL+C and was back into su mode again. I'll run in degraded mode for the next few hours but I'm now quite sure there's an issue with gmirror. What kind of debugging features may I turn on with gmirror to get a verbose output of what gmirror does? Greetings, Volker
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