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Date: Mon, 13 Jul 2009 15:11:44 -0400
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Subject: [gentoo-user] Re: ext3 to ext4 safest and elaborate guide
From: Doug Hunley <doug@hunley.homeip.net>
To: gentoo-user@lists.gentoo.org
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On Sun, Jul 5, 2009 at 11:50, Andrew Gaydenko<a@gaydenko.com> wrote:
> There are few ext3 to ext4 migration notes/guides. Can anybody advice the most
> elaborate safe one?
>
>
This is what I did:
tune2fs -O sparse_super,filetype,resize_inode,dir_index,ext_attr,has_journal,extents,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize
/dev/DEV
e2fsck -fpDC0 /dev/DEV
(Obviously, I booted off a LiveCD and to do this to my disks while
they were offline).
Some of the online directions say to resize the inodes with:
tune2fs -I 256 /dev/DEV
but there is a *lot* of chatter on the ext4 mailing list about this
not working as it should and you probably should avoid it for now (it
can be done separately later).
--
Douglas J Hunley - doug.hunley@gmail.com
http://douglasjhunley.com
Twitter: @hunleyd