[Ocfs2-users] Problem with tunefs.ocfs2, similar to fsck.ocfs2 on EL5

[Ulf Zimmermann]

> -----Original Message-----
> From: Sunil Mushran [mailto:sunil.mushran at oracle.com]
> Sent: Tuesday, September 27, 2011 9:27 AM
> To: Ulf Zimmermann
> Cc: ocfs2-users at oss.oracle.com
> Subject: Re: [Ocfs2-users] Problem with tunefs.ocfs2, similar to fsck.ocfs2 on
> EL5
> 
> On 09/27/2011 09:12 AM, Ulf Zimmermann wrote:
> > - -----Original Message-----
> >> From: Sunil Mushran [mailto:sunil.mushran at oracle.com]
> >> Sent: Monday, September 26, 2011 10:09 AM
> >> To: Ulf Zimmermann
> >> Cc: ocfs2-users at oss.oracle.com
> >> Subject: Re: [Ocfs2-users] Problem with tunefs.ocfs2, similar to fsck.ocfs2
> on
> >> EL5
> >>
> >> I'll look at the tunefs issue. But the other one does not make sense.
> >> strict_jbd is a compat flag. Mount should work. What is the mount
> >> error? As in, in dmesg.
> > I don't see any dmesg or /var/log/messages, but the error I saw was from
> tunefs:
> >
> > demodb01 root /home/ulf # /usr/bin/yes | /sbin/tunefs.ocfs2 -U -L
> /export/u07 /dev/mapper/u07
> > tunefs.ocfs2 1.2.7
> > tunefs.ocfs2: Filesystem has unsupported feature(s) while opening device
> /dev/mapper/u07
> >
> 
> So that is correct. In short that flag was added to allow us to use the
> jbd(2) features. We use this to create volumes > 16TB.
> 
> I guess if you want to use with 1.2, format it with 1.2 tools.

That is what I ended up with. And I also made a point to certain people in the company about not stopping in the middle of upgrading database servers.