how to online resize ext3 when fs does not support it?

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I have a fairly large ext3 filesystem created some time ago, which doesn't support online resizing.

# resize2fs -p /dev/sdaz
resize2fs 1.40.2 (12-Jul-2007)
Filesystem at /dev/sdaz is mounted on /mnt/iscsi_backup; on-line resizing required
old desc_blocks = 77, new_desc_blocks = 87
resize2fs: Filesystem does not support online resizing


Is is possible to add resize_inode feature to an existing ext3 filesystem?

My tune2fs manual (from e2fsprogs 1.40.2) doesn't state adding "resize_inode" is possible, and newer e2fsprogs releases only support removing resize_inode feature. Will adding resize_inode be supported in the future, or is it definitely "is not, won't be possible"?


--
Tomasz Chmielewski
http://wpkg.org
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