Re: [SLE] fsck!!!

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Date: Sat, 28 Feb 2004 18:35:44 +0200
To: SLE <suse-linux-e@suse.com>

Carlos E. R. wrote:
> The Thursday 2004-02-26 at 15:57 +0200, Hylton Conacher (ZR1HPC) wrote:
>> ....fscking the system and repairing the fs if necessary.....
>
> Mmm. If the problem is in the root partition, it may have problems reading
> some files. Also, considering your fstab:
>
> /dev/hdb1 / ext3 defaults 1 1
> /dev/hdb9 /boot ext3 defaults 1 2
> /dev/hdb8 /home ext3 defaults 1 2
> /dev/hdb10 /opt ext3 defaults 1 2
> /dev/hdb6 /usr ext3 defaults 1 2
> /dev/hdb7 /var ext3 defaults 1 2
>
>
> At that point, only "/" is mounted, not "/usr" nor "/var" - it may need
> something in there. It is not the first time they put something in /usr
> that is needed during the manual fsck part.
So basically the program needed might not be accessible from the hdb
partitions. GREAT :(

[snip]
>>In my case with all the partition in the fstasb file I figured it would
>>just be better to walk through that and fsck the lot with thfsck -VAa option.
>
> Eummmm.... I have an idea, read on.
>
>
>>>Hold on a moment... Additional options? It is a command to be entered at a
>>>command line prompt. Where are you typing it?
>>
>>When LiLo rears its bootloader it has a few options namely Boot from
>>local harddisk, boot safely, rescue mode and a couple of others. Just
>>below it is a space to enter cli commands. That is where I added the
>>additional options.
>
>
>
> Gosh! No wonder it doesn't work! Commands have to be entered at a command
> prompt
Oops :)

OK, my new understanding so far ie:
1. Don't fsck a mounted partition
2. Boot from a CD/floppy to get cli access

> Ok, I don't have SuSE 9.0, only 8.2, but I can guess what that rescue
> entry is. Not good enough in this case.
I dunno, but it sure as hell is on the lilo menu if I boot from CD.

> You need to boot the rescue system, from the CD or DVD, not from the HD.
OK that's easy enough ie insert CD 1 and reboot...np.

> Get to the bash command prompt there....
HOW?? When the machine reboots I am presented with a lilo graphical menu
enabling me to either Boot from HDD, Installation, Installation with
ACPI disabled, Install - Safe settings, Manual install, Rescue System,
Memory Test. There is no option to go into a CLI mode???

Choosing the Rescue System option the system starts asking me about my
kb type. Right there and then I exited out of it as it looked too much
like install, and asides you said to get into a CLI.

> ....., and issue the fsck command plus
> options there. Something like "fsck /dev/hdb1".
OK understood, but getting to the CLI from CD 1 seems to be the problem
ie is there some special Susian key combination needed to access it or
something...like Ctrl-Alt-Del :)
Asides from that then how am I going to be able to issue a fsck command
like -VAa which will step through the fstab file if the fsck doesn't
know where to find it?

> Now my second idea, your fstab, which I saw on another post. There you
> have entries for hdb and hdc - but you mention that hdc was later removed.
> If there are entries for hdc (hdc1, for example, a windows mount), but no
> hdc disk on the system, it will not boot! And it will precisely tell you
> to fsck manually.
surprise, surprise, the system still boots OK, into linux thankfully.
hdc contained Win95 and was moved for testing purposes. It will never be
reinstalled into the linux machine. I was wondering about commenting out
those entries of hdc or even deleting them.

> So, you have to manually mount that disk from inside the rescue CD, edit
> the fstab (with vi, I don't think there is anything else there), and
> comment out those lines.
KWrite will do it too thankfully when logged into another X session.

>>>>How the hell do I get my system back by completing the fsck!!
>>>
>>>Well...
>>>
>>>The man pages of e2fsck and resiserfsck are printed at the end of the SuSE
>>>admin book just for these ocassions.
so I see....but there aren't half the options listed there that are
listed on the fsck man page. I'll resort to my own written notes about this.

> I wrote my notes about this on a handbook, but they are on another city
> right now. O:-)
UPS delivers worldwide I hear :)

A little informed but still desperate to fsck (defrag?) the system. I am
trying to leave the machine on as much as possible here and so far
haven't been hit by a power outage....yet. When it does hit I am going
to need to know howto use this fsck thing immediately.

So the questions remain:
1. How to get to the CLI from the rescue option when booting off the CD?
2. How can I get fsck to walk through my fstab file if the / partition
isn't mounted?
3. What fsck -option would be the best to check and repair the fs's and
also give me verbose output and a progress bar

Hylton

-- 
The fscking desperate Little Helper
========================================================================
Hylton Conacher - Licenced ex-Windows user (apart from Quicken)
Registered Linux user # 229959 at http://counter.li.org
Currently using SuSE 9.0 Professional with KDE 3.1
========================================================================
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• Previous message: Glenn Holmer: "[SLE] subversion"
• In reply to: Carlos E. R.: "Re: [SLE] fsck!!!"
• Next in thread: Ken Schneider: "Re: [SLE] fsck!!!"
• Reply: Ken Schneider: "Re: [SLE] fsck!!!"
• Reply: Hylton Conacher (ZR1HPC): "Re: [SLE] fsck!!!"
• Reply: Hylton Conacher (ZR1HPC): "Re: [SLE] fsck!!!"
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