Date: Tue, 31 Mar 2009 17:36:32 +0200 From: Mel Flynn <mel.flynn+fbsd.questions@mailing.thruhere.net> To: freebsd-questions@freebsd.org Cc: RW <rwmaillists@googlemail.com> Subject: Re: Question about forcing fsck at boottime Message-ID: <200903311736.32909.mel.flynn%2Bfbsd.questions@mailing.thruhere.net> In-Reply-To: <20090331132411.3b1edf97@gumby.homeunix.com> References: <49D1B297.8060307@gmail.com> <200903310815.54296.mel.flynn%2Bfbsd.questions@mailing.thruhere.net> <20090331132411.3b1edf97@gumby.homeunix.com>
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On Tuesday 31 March 2009 14:24:11 RW wrote: > On Tue, 31 Mar 2009 08:15:54 +0200 > > Mel Flynn <mel.flynn+fbsd.questions@mailing.thruhere.net> wrote: > > On Tuesday 31 March 2009 08:05:11 manish jain wrote: > > > I am migrating from Linux and am still learning the basics of > > > FreeBSD. One thing that I would to carry over from my Linux days is > > > to force an fsck on all filesystems at system startup. On Linux, > > > this was simply a matter of editing /etc/rc.sysinit. Things seem a > > > bit more complicated in the BSD world. Can somebody please point me > > > in the right direction ? > > > > fsck -p is done by default (meaning, filesystems are not fully > > scanned if they are marked clean). If pruning fails, background_fsck > > is checked, which will work on UFS systems with soft updates, but is > > not recommended by many as it may leave some errors unchecked. > > I don't think that's quite right, fsck -p is only done if > background_fsck=NO, otherwise an fsck -pF is done instead. The > latter does an fsck -p on filesystems that aren't eligible for > background checking - usually root and any none UFS filesystems. As far as I can tell, -F -p skips clean disks (-p) and defers to background when possible, though the manpage doesn't exclude your or my theory. ENOTIME to check the source. -- Mel
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