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Re: fsck -c usage question



On Wed, 2007-11-07 at 13:59 -0500, Mark Haney wrote:
> Mark C. Allman wrote:
> > On Wed, 2007-11-07 at 13:32 -0500, Mark Haney wrote:
> >> Mark C. Allman wrote:
> >>> System: 2.6.22.9-91.fc7, Dell XPS M1710 laptop, 80GB HD, 2G ram
> >>>
> >>> >From what I've read, it's a good idea to occasionally have fsck run when
> >>> you reboot a system.  Also, I've had Fedora lock up a few times (over
> >>> the past year, BTW, so I'm not complaining!) such that I had to power
> >>> off and back on to restart.
> >>>
> >>> What I do to have fsck run on startup:
> >>> 1.  Create /fsckoptions with the switches I want to supply to fsck
> >>> 2.  Run "shutdown -rF 0' to create /forcefsck and reboot.
> >>> Note: When fsck is finished after the reboot the /fsckoptions
> >>> and /forcefsck files are removed automatically.
> >>>
> >> tune2fs -c 21 /dev/xxx
> >>
> >> This is what I have on my laptop, it is set to fsck after 21 mounts (I
> >> think 21 is pretty typical setup for a lot of distros like Ubuntu (or
> >> gentoo in my case)  change the 21 to suit your needs that should
> >> eliminate the need for the setup you have.
> >>
> > Not really "eliminate."  I want to control when the fsck is run.  I
> > don't want to be stalled on a reboot waiting for fsck to complete.  I
> > only want to run it, say, on an evening when I know I have time.  Also,
> > I don't see where it says that a bad block check is run.  it may be
> > documented in the man page right in front of me, but I don't see it.
> > This isn't usually what fsck does by default.  If I don't run the bad
> > block check (with the -c switch) then what I'm doing now runs fine.
> > 
> > But to my original question: why doesn't what I'm doing work?  Shouldn't
> > it?  That's what I'm asking: why is adding the bad block check causing a
> > problem?
> > 
> > -- Mark C, Allman, PMP
> > -- Allman Professional Consulting, Inc.
> > -- www.allmanpc.com, 617-947-4263
> > 
> > BusinessMsg -- the secure, managed, J2EE/AJAX Enterprise IM/IC solution
> > 
> > 
> > 
> > 
> 
> Well, that's a really good question.  I've done the bad block check and
> never had this problem before.  You don't state in the OP that you've
> tried this from a rescue session to see what the bad blocks check
> displays from there.  That might give you a hint perhaps.
> 
> 
> 
> 
I'm not sure what you mean by "rescue session."  Do you mean booting
from a rescue disk?  Hadn't tried that.

BTW, that brings up something else strange.  I booted from the rescue
disk so I could delete the /forcefsck and /fsckoptions files.  What the
rescue disk asked for was where the Fedora 7 CD images were (hard disk,
HTTP, FTP, CD-ROM, etc.) for repair.  I hadn't seen that before.  I gave
it a FTP site to go get images/stage2.<something I can't remember> and
got to the repair shell prompt.  Just strange.  Usually after the
keyboard, networking on/off, and "do you want to mount existing Fedora
filesystems" prompts, anaconda kicks off and I get to the repair shell
prompt.


-- Mark C, Allman, PMP
-- Allman Professional Consulting, Inc.
-- www.allmanpc.com, 617-947-4263

BusinessMsg -- the secure, managed, J2EE/AJAX Enterprise IM/IC solution





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