Re: [pnfs] nfs41_sequence_done

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Jul. 12, 2010, 22:14 +0300, Trond Myklebust <Trond.Myklebust@xxxxxxxxxx> wrote:
> On Mon, 2010-07-12 at 21:58 +0300, Benny Halevy wrote:
>> [pnfs@xxxxxxxxxxxxx -> linux-nfs@xxxxxxxxxxxxxxx]
>>
>> On Jul. 12, 2010, 21:29 +0300, Jim Rees <rees@xxxxxxxxx> wrote:
>>> Does anyone still care about this?
>>>
>>>  WARNING: nfs41_sequence_done: Operation in progress slot=1 seq=7 highest_used_slotid=1: please report to pnfs@xxxxxxxxxxxxx if you saw this message
>>
>> Heh, need to update hard-coded instructions to point to the new list...
>>
>>>
>>> I'm getting this on the client side of a pnfs block layout mount against the
>>> spnfs server.  Kernel is benny's pnfs-all-2.6.35-rc3-2010-07-01 plus EMC
>>> complex block layout patches.  It's possible the complex layout code is to
>>> blame, but I doubt it because this isn't a complex layout mount.  I can
>>> provide more details.
>>
>> I agree.  This is a generic issue.
>> The patch that  adds this check is
>> d6ce9ad DEVONLY: nfs41: Do not free slot if retried while operation was in progress
>>
>> It was originally rejected (http://www.spinics.net/lists/linux-nfs/msg09562.html)
>> due to noise regarding where nfs41_sequence_free_slot is called
>> but that masked the real issue.
>>
>> Can you readily reproduce this?
>> Can you debug also the server side to see if indeed the client retries the RPC
>> while it is in progress on the server?
> 
> So what is the root cause here? Is it the known issue that we don't deal
> correctly with an NFS4ERR_DELAY on the SEQUENCE operation?

Yes.

> 
> Trond
> --
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Filesystem Development]     [Linux USB Development]     [Linux Media Development]     [Video for Linux]     [Linux NILFS]     [Linux Audio Users]     [Yosemite Info]     [Linux SCSI]

  Powered by Linux