Date: Fri, 12 Jan 2007 19:07:26 -0600 From: CyberLeo Kitsana <cyberleo@cyberleo.net> To: "R. B. Riddick" <arne_woerner@yahoo.com> Cc: FreeBSD Geom <freebsd-geom@freebsd.org> Subject: Re: geom_raid5 livelock? Message-ID: <45A830CE.2050506@cyberleo.net> In-Reply-To: <765642.82951.qm@web30312.mail.mud.yahoo.com> References: <765642.82951.qm@web30312.mail.mud.yahoo.com>
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R. B. Riddick wrote: > --- CyberLeo Kitsana <cyberleo@cyberleo.net> wrote: >> ... > OK - gmirror was not the cause... :) But since gmirror had a quite high "ms/r" > value, it might be, that graid5 isnt the real cause, too (maybe ur box just > cant take so many simultaneous read requests)... > Unfortunately I removed some debug code. I inserted it now. It would be nice, > if u could upgrade to the newest version of graid5 (some minutes old)... Then > debug level 2 should produce more output (each read/write request gets two > lines: start and done)... :-) http://home.cyberleo.net/cyberleo/workspace/Zip/graid5-all.log That log contains two full seconds of requests, under the same circumstances as before (rsync and find processes stuck in wait, along with an 'ls' or two). If you need more, I can produce it. It appears to be completing requests, but always the same requests over and over. Watching the log for about a minute doesn't show any other requests during this time. [start] raid5/raid5[READ(offset=779825545216, length=16384)] [start] raid5/raid5[READ(offset=764410200064, length=16384)] Thanks! -- Fuzzy love, -CyberLeo Technical Administrator CyberLeo.Net Webhosting http://www.CyberLeo.Net <CyberLeo@CyberLeo.Net> Furry Peace! - http://www.fur.com/peace/
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