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htree - incompatible feature enabled

From: Timothy Jedlicka bonzopad
Subject: htree - incompatible feature enabled
Date: Sun, 02 Mar 2003 13:37:41 -0600

I was trying to resize a Gentoo disk.  Apparently Gentoo's version of make2fs 
uses the Htree(?) feature which is apparently incompatible with parted.  So 
this documents what I did to fix it. (thanks to edcjones from gentoo for the 

GNU Parted 1.6.5
Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
This program is free software, covered by the GNU General Public License.

This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.  See the GNU General Public License for more details.

Using /dev/hda
Information: The operating system thinks the geometry on /dev/hda is      
7476/255/63.  Therefore, cylinder 1024 ends at 8032.499M.
(parted) print                                                            
Disk geometry for /dev/hda: 0.000-58644.140 megabytes
Disk label type: msdos
Minor    Start       End     Type      Filesystem  Flags
1          0.031    101.975  primary   ext3        boot
2        101.975   2008.125  primary   linux-swap  
3       2008.125  30616.062  primary   ext3        
4      30616.062  58643.525  primary   ext3        
(parted) resize 3 2008.125 25616                                          
Error: Filesystem has incompatible feature enabled                        
(parted) quit                                                             
Information: Don't forget to update /etc/fstab, if necessary.             

To fix I ran 
: tune2fs -O ^dir_index /dev/hda4
Then ran (answering "y" to the INDEX_FL questions
: e2fsck -f -y /dev/hda4

e2fsck 1.30-WIP (30-Sep-2002)
Pass 1: Checking inodes, blocks, and sizes
Inode 720915 has INDEX_FL flag set on filesystem without htree support.
Clear HTree index? yes

Inode 884740 has INDEX_FL flag set on filesystem without htree support.
Clear HTree index? yes

This at least got me past the "incompatible feature" problem.  Now it doesn't 
like the layout of my filesystem which I'm continuing to work on.
Timothy Jedlicka, address@hidden, 1-630-713-4436, AOL-IM=bonzowork
Network Entomologist, Lucent Technologies, Testers For Hire

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