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Old 12-15-2002, 09:04 AM   #1
Bert
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Registered: Jul 2001
Location: 406292E 290755N
Distribution: GNU/Linux Slackware 8.1, Redhat 8.0, LFS 4.0
Posts: 1,004

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Angry ext3 / Tom's Root Boot


This has been a problem which has come up a few times recently for me.

Ext3 has known bugs. Sometimes on cold starts and at other random times, the boot img gets loaded into RAM and then the ext3 journal can't find the superblock and the system barfs with lots of journalling errors.

Usually, I just reboot and the system marks the fs as having dirty bits and recovers the journal. No problem. This time, it crashed properly. Couldn't find the init image (even though I told the kernel where it was), couldn't find the journal block.

No matter how many times I rebooted, this system was not going to get back up. Boot disk didn't help. So I turned to Tom's root/boot disk. Boted that up to do an fsck.ext3 on the system.

But Tomsrbt doesn't have fsck utilities!!!!! Can anyone believe that? It's like a ship without lifeboats! How on earth can you have any distro (however small) without these really *really* important utilities?

Luckily I had a spare Slackware 8.1 CD which I used to check the filesystem.

I've learnt 3 things:

1. Use ext2 not ext3. Not until the bugs are fixed.
2. Do not rely on Tomsrbt distro to get you out of trouble.
3. Think about installing Slackware.

Gaaaah!

Bert
 
Old 12-15-2002, 09:55 AM   #2
Aussie
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Registered: Sep 2001
Location: Brisvegas, Antipodes
Distribution: Slackware
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4. Use ReiserFS.
 
Old 12-15-2002, 11:44 AM   #3
Bert
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Registered: Jul 2001
Location: 406292E 290755N
Distribution: GNU/Linux Slackware 8.1, Redhat 8.0, LFS 4.0
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I think I'll take that advice. Cheers.

Bert
 
Old 12-15-2002, 04:12 PM   #4
yngwin
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Registered: Dec 2002
Location: China
Distribution: Arch
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Never had any problems with ext3, works just fine for me. And tomsrtbt does have fsck.ext2 and fsck.msdos! But why use a floppy when you can use a cd for rescue?
 
Old 12-15-2002, 04:34 PM   #5
Bert
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Registered: Jul 2001
Location: 406292E 290755N
Distribution: GNU/Linux Slackware 8.1, Redhat 8.0, LFS 4.0
Posts: 1,004

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Quote:
Originally posted by yngwin
Never had any problems with ext3, works just fine for me.
The bug's well documented.
Quote:

And tomsrtbt does have fsck.ext2 and fsck.msdos!
I can say with 100% confidence that the version of Tomsrbt I've got (~6 months old) does NOT have fsck utilities.

Bert
 
Old 12-15-2002, 09:56 PM   #6
ExEleven
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Registered: Aug 2002
Location: Australia
Distribution: Red-Hat, Slackware.
Posts: 16

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If you have a slackware 8.1 CD, then you can fix it by using it to boot, and recover, or even a Red-Hat 8.0 Disc in Rescue mode.
 
  


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