Upgrade to ext4, how?
Martin Sourada
martin.sourada at gmail.com
Mon Apr 7 21:38:31 UTC 2008
On Mon, 2008-04-07 at 14:24 -0700, Andrew Farris wrote:
> Martin Sourada wrote:
> > EXT4-fs: dm0: not marked OK to use with test code.
>
> > Perhaps I am missing some step that needs to be done first? Any thoughts
> > what's wrong there?
>
> Ah, yes, missing step to set the device as ok to boot ext4dev.
> From the devel-list announcement for ext4 'call for brave ext4 testers':
>
> Eric Sandeen wrote:
> > Jeffrey Ollie wrote:
> >> EXT4-fs: dm-1: not marked OK to use with test code
> >
> > welcome to the bleeding edge; this is a new check that went into the
> > most recent kernels. But it's ok, really:
> >
> > Get e2fsprogs 1.40.5 from rawhide, boot up your rescue disk, and:
> >
> > [root]# debugfs -w /dev/<whatever>
> > debugfs 1.40.5 (27-Jan-2008)
> > debugfs: set_super_value s_flags 4
> > debugfs: quit
> >
> > and you'll be fine.
> >
> > I've also got this info at http://fedoraproject.org/wiki/FedoraExt4; if
> > anyone is having ext4 trouble please look there first.
> >
> > This is a safety check put in to make sure that ext3 never unexpectedly
> > gets mounted with ext4dev (_development_) code.
> >
> > Thanks,
> > -Eric
>
Thanks,
this was indeed the only step that was missing. I actually went through
that page, but misunderstood that particular point as being optional. My
bad, I've read too fast :/
Martin
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