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Old 11-16-2006, 11:58 AM   #1
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Question How to disable resize inodes FC5 ?

Based on response to an earlier question I posted re. backup of LVMs, I stepped back and installed FC5 on manually specified ext3 partitions, no LVM. I can now image and restore with partimage. However, Norton Ghost 2003 and Acronis True Image still fail. My research has led me to the following change which occurred with FC3 - just when the trouble began. From the FC3 release notes:


The ext2online utility has been added for online growing of existing ext3 file systems.

It is important to keep in mind that ext2online does not grow the underlying block device itself there must be sufficient unused space already present on the device. The easiest way to ensure this is to use LVM volumes and to run lvresize or lvextend to extend the device.

In addition, file systems must be specially prepared in order to be resized past a certain point. The preparation involves reserving a small amount of space into which on-disk tables can grow. For newly-created file systems, mke2fs reserves such space automatically; the space reserved is sufficient to grow the file system by a factor of 1000. The creation of this reserved space can be disabled by the following command:

mke2fs -O ^resize_inode"

So my question is... how do I disable this resize inodes DURING INSTALL of FC5? I can manually specify the partitions however I do not find any option re. inodes. I always specify a fixed size for the partition so that does not seem to be the trick.

Which brings to mind a second question - how do I know if I have resize inodes on a particular FS? Perhaps the fixed size has done the trick and my image issue is something else.


Old 11-17-2006, 09:31 PM   #2
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To disable the creation of resize inodes, you need to partition and format before installation, and tell anaconda (the Fedora/Redhat installation program) not to format the existing partitions it is installing onto. You can check existing partitions with:

dumpe2fs /dev/hda1 | grep -i resize
dumpe2fs 1.39 (29-May-2006)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery sparse_super
Old 11-18-2006, 05:11 PM   #3
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Thanks macemoneta! I sort of guessed I would need to hand partition the drive before install. I will give that a try. Thanks also for the dumpe2fs info.



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