Date: Fri, 12 Jan 2007 13:44:40 -0800 (PST) From: "R. B. Riddick" <arne_woerner@yahoo.com> To: CyberLeo Kitsana <cyberleo@cyberleo.net> Cc: FreeBSD Geom <freebsd-geom@freebsd.org> Subject: Re: geom_raid5 livelock? Message-ID: <416255.11150.qm@web30304.mail.mud.yahoo.com> In-Reply-To: <45A7FE3F.3040505@cyberleo.net>
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--- CyberLeo Kitsana <cyberleo@cyberleo.net> wrote: > http://home.cyberleo.net/cyberleo/workspace/Zip/graid5-testing.png > Aha... Looks like gmirror is quite busy, too, while idle at the same time... This might mean, that we have a new GEOM problem... > As shown in top, one rsync and one find process are stuck in biord > waiting for data from the filesystem, while the CPU is otherwise mostly > quiescent. I can't find evidence anywhere of what could be using the > raid5 and mirror providers so much, though. > Me, too... > The frozen processes are one locate database update (find) and one rsync > process copying data from an old backup machine to the new one. The > frozen processes do not respond to attempts to kill them until the > filesystem begins responding. > Hmm... Can u try without gmirror? :-) I mean: Just if it is not too complicated for u (I have no hard evidence, that gmirror is the cause of something)... > Also, tuning the sysctl had no effect prior to, nor during, the > livelock. Nothing new appeared in /var/log/messages while set to 1 or 2. > Hmm... That might show, that ur /etc/syslog.conf does not log every message... :-) Can u try the line "*.* /var/log/all" to /etc/syslog.conf (after editing that file, touch the log file ("touch /var/log/all") and then reload the syslogd conf ("/etc/rc.d/syslogd reload" or so))? -Arne ____________________________________________________________________________________ Do you Yahoo!? Everyone is raving about the all-new Yahoo! Mail beta. http://new.mail.yahoo.com
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