Date: Fri, 15 Jul 2005 11:15:42 +0600 From: "Sergey N. Voronkov" <serg@tmn.ru> To: asym <bsdlists@rfnj.org> Cc: freebsd-stable@freebsd.org, freebsd-questions@freebsd.org Subject: Re: dangerous situation with shutdown process Message-ID: <20050715051542.GA80213@tmn.ru> In-Reply-To: <6.2.1.2.2.20050714161537.0378c310@mail.rfnj.org> References: <42D6B117.5080302@plab.ku.dk> <20050714191449.A8A615D07@ptavv.es.net> <20050714191942.GA98637@freebie.xs4all.nl> <6.2.1.2.2.20050714161537.0378c310@mail.rfnj.org>
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On Thu, Jul 14, 2005 at 04:17:06PM -0400, asym wrote: > At 15:19 7/14/2005, Wilko Bulte wrote: > >On Thu, Jul 14, 2005 at 12:14:49PM -0700, Kevin Oberman wrote.. > >> > Date: Thu, 14 Jul 2005 20:38:15 +0200 > >> > From: Anatoliy Dmytriyev <tolid@plab.ku.dk> > >> > Sender: owner-freebsd-stable@freebsd.org > >> > > >> > Hello, everybody! > >> > > >> > I have found unusual and dangerous situation with shutdown process: > >> > I did a copy of 200 GB data on the 870 GB partition (softupdates is > >> > enabled) by cp command. > >> > It took a lot of time when I did umount for this partition exactly > >after > >> > cp, but procedure finished correctly. > >> > In case, if I did ???shutdown ???h(r)???, also exactly after cp, the > >shutdown > >> > procedure waited for ???sync??? (umounting of the file system) but sync > >> > process was terminated by timeout, and fsck checked and did correction > >> > of the file system after boot. > >> > > >> > System 5.4-stable, RAM 4GB, processor P-IV 3GHz. > >> > > >> > How can I fix it on my system? > > The funny thing about all the replies here.. is that this guy is not saying > that sync doesn't work. > > He's saying that the timeout built into shutdown causes it to *terminate* > the sync forcibly before it's done, and then reboot. > > All finger pointing about IDE, SCSI, softupdates, and journals aside.. I > think all he wants/needs is a way to increase that timer. > If you can't increase shutdown timeout, decrease softupdates timers. # tail -3 /etc/sysctl.conf kern.metadelay=14 kern.dirdelay=15 kern.filedelay=17 That was my solution for shutdown wait timeout. Serg N. Voronkov, Sibitex JSC, Tyumen, Russia.
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