Cc: linux-nfs@vger.kernel.org
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Date: Fri, 10 Aug 2012 11:20:16 +0200
From: "Johannes Schild" <JSchild@gmx.de>
In-Reply-To: <CA+a=Yy6C-d82MR6Lun4sRcJ0euBBpf0Ra3cHDnQ8eKENi5eU2Q@mail.gmail.com>
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Subject: Re: RE: Blocklayout
To: Peng Tao <tao.peng@emc.com>
Sender: linux-nfs-owner@vger.kernel.org

Hi Tao,

> > [59260.324598] encoding getdevicelist!
> > [59260.324600] decode_getdevicelist: num_dev 1
> > [59260.324601] nfs41_sequence_done: Error 0 free the slot
> > [59260.324602] nfs4_free_slot: slotid 16 highest_used_slotid -1
> > [59260.324605] <-- _nfs4_getdevicelist status=0
> > [59260.324606] nfs4_proc_getdevicelist: err=0, num_devs=1
> > [59260.324607] bl_set_layoutdriver GETDEVICELIST numdevs=1, eof=1
> > [59260.324608] nfs4_blk_get_deviceinfo max_resp_sz 135168 max_pages 33
> > [59260.324629] nfs4_blk_get_deviceinfo: dev_id:
> The deviceid field returned by server is empty. That's why device
> discovery failed.

Is the deviceid the field where the signature, created with parted, should be stored?

 
> > [59260.324630] --> _nfs4_proc_getdeviceinfo
> > [59260.324632] --> nfs41_call_sync_prepare data->seq_server
> ffff88003c8d7800
> > [59260.324633] --> nfs4_setup_sequence clp ffff88003c733400 session
> ffff88003c733c00 sr_slot -1
> > [59260.324634] --> nfs41_setup_sequence
> > [59260.324635] --> nfs4_find_slot used_slots=0000
> highest_used=4294967295 max_slots=16
> > [59260.324636] <-- nfs4_find_slot used_slots=0001 highest_used=0
> slotid=0
> > [59260.324637] <-- nfs41_setup_sequence slotid=0 seqid=9
> > [59260.324638] <-- nfs4_setup_sequence status=0
> > [59260.324642] encode_sequence: sessionid=1344524732:4:4:0 seqid=9
> slotid=0 max_slotid=0 cache_this=0
> > [59260.333545] nfs41_sequence_done: Error 0 free the slot
> > [59260.333547] nfs4_free_slot: slotid 16 highest_used_slotid -1
> > [59260.333553] <-- _nfs4_proc_getdeviceinfo status=0
> > [59260.333555] nfs4_blk_get_deviceinfo getdevice info returns 0
> > [59260.333572] nfs4_blk_decode_device CREATING PIPEFS MESSAGE
> > [59260.333573] nfs4_blk_decode_device: deviceid: , mincount: 136
> Here shows the same error.
> 
> You may check server code to see if there is something wrong with
> getdevicelist proc handling.
>

I am not experienced enough to check this i think. Is there other server code than "ctl" (on the howto)?

> Cheers,
> Tao

Thanks

Johannes