Re: ext3 partition unmountable

["Mike Black" <mblack@csihq.com>]

If I'm reading the files right it looks like:
#define EXT3_FEATURE_INCOMPAT_COMPRESSION  0x0001

Did you compress the file system?

Do a "tune2fs -l /dev/hdc" and see what features are set.

----- Original Message -----
From: "Dewet Diener" <linux-kernel@dewet.org>
To: <linux-kernel@vger.kernel.org>
Sent: Friday, August 17, 2001 9:03 PM
Subject: ext3 partition unmountable


> Hi all
>
> After umounting a removable ext3 partition from my work PC, and
> trying to remount it at home, I've run into the following error
> trying to mount it as both ext2 and ext3:
>
> EXT2-fs: ide1(22,65): couldn't mount because of unsupported optional
features (10000).
> EXT3-fs: ide1(22,65): couldn't mount because of unsupported optional
features (10000).
>
> e2fsck is similarly unhelpful:
> e2fsck: Filesystem has unsupported feature(s) while trying to open
/dev/hdd1
>
> The kernels on both machines have the same ext3 options enabled, and
> they're both 2.4.8-ac6.
>
> This is the first time I've tried moving the drive like this - I
> assumed it would work flawlessly.  However, ext3 doco seems a bit
> sparse under Documentation/, so I'm not quite sure about the recovery
> steps needed.
>
> I'd appreciate your help on this one :)  Please CC me in...
>
> Regards,
> Dewet
>
> --
> Dewet Diener     dewet@itouchlabs.com     -o)
> Systems Administrator     iTouch Labs     / \
> Self-confessed geek and Linux fanatic    _\_v
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