[Ocfs2-users] No space left on device error, older kernels?

[Mick Waters]

Hi Sunil,

Will you be porting this to the latest RHEL 5 kernel?  We don't all have UEL.

Regards,

Mick. 

-----Original Message-----
From: ocfs2-users-bounces at oss.oracle.com [mailto:ocfs2-users-bounces at oss.oracle.com] On Behalf Of Sunil Mushran
Sent: 27 October 2010 17:49
To: Ronald Moesbergen
Cc: ocfs2-users at oss.oracle.com
Subject: Re: [Ocfs2-users] No space left on device error, older kernels?

We don't backport features to older mainline kernels. We do it only for production kernels but that too within reason.

This feature is available in OCFS2 1.6 with UEK (2.6.32 based kernel) on OL5.

http://www.oracle.com/us/technologies/linux/ubreakable-enterprise-kernel-linux-173350.html

http://oss.oracle.com/projects/ocfs2/

On 10/27/2010 08:07 AM, Ronald Moesbergen wrote:
> Hello,
>
> Regarding the "no space" issue below: the fix is the discontig-bg 
> feature added in 2.6.35. Will this be backported to earlier kernels 
> (as a stable update, for example) or does everyone seeing this issue 
> have to upgrade to 2.6.35 or later? I'm asking because I'm seeing this 
> issue too, but am unable to upgrade to anything newer than 2.6.34.7 
> because of xen kernel incompatibilities.
>
> Regards,
> Ronald.
>
>> On 09/21/2010 04:52 PM, Alexander Barton wrote:
>>> Hi Tao!
>>>
>>> Am 09.09.2010 um 02:29 schrieb Tao Ma:
>>>
>>>> btw, I may commit the ocfs2-tools patches recently, and you can try it with 2.6.35.
>>> Ok, now we are seeing the problem again and want to try a new kernel 
>>> and the new OCFS2 tools - there aren't that much files left we could 
>>> delete instead ...
>>>
>>> So kernel 2.6.35.4 would be ok?
>> It should work.
>>> And OCFS2 tools from the GIT master branch? Or a special tag? There is no archive or release, right?
> I>  have already committed the patches to ocfs2-tools.
>> So you can get from
>> git clone git://oss.oracle.com/git/ocfs2-tools.git
>> I guess there is no release for it yet.
>>> So are there any special steps we have to follow? Do some magic fsck.ocfs2 runs? Splashing chicken blood on moonlight? ...? Or is simply installing the new kernel and the new>tools enough and "everything" should be working fine again afterwards?
>> No need for fsck.ocfs2.
>> Just do tunefs.ocfs2 --fs-features=discontig-bg /dev/sdx(which means 
>> you have to umount the volume from all the nodes first) and mount it 
>> again and it should work. any problem, please let us know. Thanks.
>>
>> Make sure you see 'discontig-bg' in the output of following cmd.
>> echo 'stats'|debugfs.ocfs2 /dev/sdx|grep Incompat
>>
>>> Thanks for your support!
>> no problem.
>>
>> Regards,
>> Tao
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