Date: Mon, 13 Mar 2006 21:02:55 -0800 From: Micah <micahjon@ywave.com> To: "Tamouh H." <hakmi@rogers.com> Cc: freebsd-questions@freebsd.org Subject: Re: how does a system come up if you disable background fsck ? Message-ID: <44164E7F.9090106@ywave.com> In-Reply-To: <20060314044240.C6F8543D46@mx1.FreeBSD.org> References: <20060314044240.C6F8543D46@mx1.FreeBSD.org>
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Tamouh H. wrote: > >> Ensel Sharon wrote: >>> I have disabled background fsck in my /etc/rc.conf with: >>> >>> background_fsck="no" >>> >>> But I am curious - what does this mean for the system if the system >>> crashes ? >>> >>> Does this mean that the system will wait for all non root >> partitions >>> to fully fsck before coming up into multi-user mode ? >>> >>> OR >>> >>> Does it mean the system will boot up quickly into >> multi-user mode, but >>> the non-root partitions will just not be mounted and/or >> usable until I >>> fsck them by hand ? >>> >>> thanks. >> The former, as I can say with ample experience this morning. >> (stupid USB >> panic) >> >> HTH, >> Micah > > I find both ways useless. If fsck background starts after a crash it literally slows down the machine to a halt rendering it unusable. > > If enable fsck to check the system prior to mounting device, it will take at least 15-30 minutes for it to complete (in the event of a hard crash). Which also translates to a downtime. > > disabling fsck on the long run is a bad choice too as eventually the system files will become corrupt beyond repair. > > What is the solution here ? > > Thx, > > Tamouh If you can't acceptably absorb a 30 minute down time, then why are you running without backup power? - Micah
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