Date: Tue, 14 Mar 2006 01:14:43 -0500 From: "Tamouh H." <hakmi@rogers.com> To: <freebsd-questions@freebsd.org> Subject: RE: how does a system come up if you disable background fsck ? Message-ID: <20060314061438.A979743D79@mx1.FreeBSD.org> In-Reply-To: <44164E7F.9090106@ywave.com>
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=20 > Tamouh H. wrote: > > =20 > >> Ensel Sharon wrote: > >>> I have disabled background fsck in my /etc/rc.conf with: > >>> > >>> background_fsck=3D"no" > >>> > >>> But I am curious - what does this mean for the system if=20 > the system=20 > >>> 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.=20 > >> (stupid USB > >> panic) > >> > >> HTH, > >> Micah > >=20 > > I find both ways useless. If fsck background starts after a=20 > crash it literally slows down the machine to a halt rendering=20 > it unusable. > >=20 > > If enable fsck to check the system prior to mounting=20 > device, it will take at least 15-30 minutes for it to=20 > complete (in the event of a hard crash). Which also=20 > translates to a downtime. > >=20 > > disabling fsck on the long run is a bad choice too as=20 > eventually the system files will become corrupt beyond repair. > >=20 > > What is the solution here ? > >=20 > > Thx, > >=20 > > Tamouh >=20 > If you can't acceptably absorb a 30 minute down time, then=20 > why are you running without backup power? >=20 > - Micah Micah, Kris: You guys are hilarious, where can I find ppl like you ?=20 Of course I'm using a backup power, but there are 101 reasons for = FreeBSD to reboot by itself and when that happens, 30 minutes downtime = is 30 minutes of wasted time. Tamouh
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