Re: fsck

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On 09/10/2007, George Magklaras <georgios@xxxxxxxxxxxxx> wrote:
> Your original problem can be solved with output redirection, a standard
> practice in Unix/Linux. To do that, you will need to force fsck in non
> interactive mode (the default is interactive mode, where you will need a
> terminal). To force fsck to operate in non interactive mode, you can use
> the -p flag (see manual page)
>
> If you use the -p flag like this:
>
> fsck -v -p /machine/disk/p1 2>&1 > fscklog.txt
>
> the log file fscklog.txt will contain the output of fsck on partition
> /machine/disk/u1.
>
> (I assume that you are OK asking the utility to non interactively
> correct all the FS errors it finds in batch mode. If you wish to dump a
> log of the initial stages of fsck command without fixing the errors use
> a combonation of -p and -n flags (see manual page)).
>
> Either way, you will have a log of the fsck output wherever you wish.
>
> GM
>
> --
> --
> George Magklaras
>
> Senior Computer Systems Engineer/UNIX Systems Administrator
> EMBnet Technical Management Board
> The Biotechnology Centre of Oslo,
> University of Oslo
> http://www.biotek.uio.no/
>
> EMBnet Norway:  http://www.no.embnet.org/
>
>
>
>
>
> Johan Booysen wrote:
> > I forced the fsck, but then had to go off and do something else.  When I
> > got back the server was booted up and looked happy enough.
> >
> > If fsck usually prompts for an error to be fixed, then I can assume
> > everything went alright?
> >
> > Thanks.
> >
> >
> >
> > -----Original Message-----
> > From: redhat-list-bounces@xxxxxxxxxx
> > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of
> > Krishnaprasad_K@xxxxxxxx
> > Sent: 09 October 2007 07:06
> > To: redhat-list@xxxxxxxxxx
> > Subject: RE: fsck
> >
> > Hi,
> >
> >       If you run fsck manually and found some errors, it will prompt
> > to do a fix in the command prompt itself... what's the output ur getting
> > in the prompt when u run fsck?
> >
> > Thanks,
> > Krishnaprasad
> >
> > -----Original Message-----
> > From: redhat-list-bounces@xxxxxxxxxx
> > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Johan Booysen
> > Sent: Monday, October 08, 2007 6:44 PM
> > To: General Red Hat Linux discussion list
> > Subject: RE: fsck
> >
> > I can't seem to find anything in there either...
> >
> > If fsck runs and finds some errors, does it prompt about whether to try
> > and fix them (I did a "touch forcefsck" and rebooted the server)?
> >
> > Can I assume that in that case it didn't find any errors?
> >
> > Thanks.
> >
> > Johan
> >
> > -----Original Message-----
> > From: redhat-list-bounces@xxxxxxxxxx
> > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of
> > Krishnaprasad_K@xxxxxxxx
> > Sent: 08 October 2007 13:19
> > To: redhat-list@xxxxxxxxxx
> > Subject: RE: fsck
> >
> > Hi,
> >
> > I don't think fsck is having a separate log file in linux. All fsck
> > messages will be logged in /var/log/messages
> >
> > Thanks,
> > Krishnaprasad
> >
> > -----Original Message-----
> > From: redhat-list-bounces@xxxxxxxxxx
> > [mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Johan Booysen
> > Sent: Monday, October 08, 2007 4:55 PM
> > To: General Red Hat Linux discussion list
> > Subject: fsck
> >
> > Does anyone know if or where fsck logs its results after it has run?  Or
> > how it can be configured to do so?
> >
> > Thanks.
> >
Actually, it's even easier than that.  You can use 'script' (in util-linux rpm).
Simply type 'script fsck.log' and hit enter.  Type whatever commands
from which you want to capture the I/O, and when your done, hit
<Ctrl/D> (or type 'exit').  The fsck.log will contain all the I/O that
appeared on the screen.

Fwiiw, I usually run this type of operation in 'screen' (in screen rpm).
'screen' is great if you need to connect to systems over unstable
networks, or via a laptop that you may need to take away before the
job you started is finished.  It's also nice when you want to start a
job and have a colleague monitor it while you're off.  Just type
"linux screen" in your favourite browser for quick tutorials.

Kind regards,

Herta

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