Re: [opensuse] nfs_update_inode: inode X mode changed, Y to Z

["J. Bruce Fields" <bfields@fieldses.org>]

On Tue, Mar 25, 2008 at 09:59:58AM -0700, Adam Schrotenboer wrote:
> Adam Schrotenboer wrote:
>> Neil Brown wrote:
>>> On Wednesday March 12, jesper.juhl@gmail.com wrote:  
>>>> On 12/03/2008, J. Bruce Fields <bfields@fieldses.org> wrote:  
>>>>> What was the exported filesystem?   
>>>> XFS  
>>>
>>> It's a bit of a long shot, but could you try mounting the XFS file
>>> system with
>>>    -o ikeep
>>>
>>> and see if it makes a difference.
>>>
>>> When you have "ikeep", I can find the code that increments the
>>> generation number between different uses of the one inode number.
>>>
>>> When you have "noikeep" (which I think is the default) it doesn't keep
>>> the inode of disk when deleted and so (presumably) needs generate a
>>> random generation number for each use.  But I cannot find the code
>>> that does that.  I'm probably not looking in the right place, but I
>>> don't think it can hurt to try "-o ikeep".
>>>
>>> NeilBrown
>>>   
>> Ok, I've unmounted and remounted with that option enabled  
>> (/proc/mounts confirms it's enabled). We'll see what happens.
>
>    Well, it's been almost 2 weeks (11 days anyhow) and I am not seeing  
> the nfs_update_inode message in the syslogs of any of our compute  
> servers. I need to talk to the various people who work with them to  
> verify, but it looks like this problem has been resolved.

That's a workaround, at least, but it's unfortunate if a special mount
option is required to get correct behavior for nfs exports.  Is there
anything we can do?

--b.