[Pvfs2-users] Error messages on client and server

Trach-Minh Tran trach-minh.tran at epfl.ch
Fri Jan 26 02:47:15 EST 2007


Hi Murali,

It's hard to tell ... up to now I haven't received complaints from
users. I am just worried that the consequences of this would show
up later as a major disaster on the fs :-(
Thanks,   -Minh.


Murali Vilayannur wrote:
> Hi Trach,
> Hmm.. are you experiencing any I/O failures as a result of these?
> It looks like some I/O timeouts may have caused the cancellations in
> the flow layer or something.. I think Sam or Phil may have something
> more insightful to say than me..
> thanks!
> Murali
> 
> On 1/25/07, Trach-Minh Tran <trach-minh.tran at epfl.ch> wrote:
>> Dear all,
>>
>> I have upgraded to pvfs-2.6.1 about 1 month ago and all seems to work
>> fine since then. However, from time to time I get the following messagea
>> on /tmp/pvfs2-client.log:
>>
>> ===
>> [E 14:49:21.789014] fp_multiqueue_cancel: flow proto cancel called on
>> 0xba49a8
>> [E 14:49:21.801303] handle_io_error: flow proto error cleanup started
>> on 0xba49a8, error_code: -1610612737
>> [E 14:49:21.801381] handle_io_error: flow proto 0xba49a8 canceled 1
>> operations, will clean up.
>> [E 14:49:21.801404] fp_multiqueue_cancel: flow proto cancel called on
>> 0xba5110
>> [E 14:49:21.801422] handle_io_error: flow proto error cleanup started
>> on 0xba5110, error_code: -1610612737
>> [E 14:49:21.801458] handle_io_error: flow proto 0xba5110 canceled 1
>> operations, will clean up.
>> [E 14:49:21.801478] fp_multiqueue_cancel: flow proto cancel called on
>> 0xba5fe0
>> [E 14:49:21.801495] handle_io_error: flow proto error cleanup started
>> on 0xba5fe0, error_code: -1610612737
>> [E 14:49:21.801529] handle_io_error: flow proto 0xba5fe0 canceled 1
>> operations, will clean up.
>> [E 14:49:21.801554] fp_multiqueue_cancel: flow proto cancel called on
>> 0xba6748
>> [E 14:49:21.801570] handle_io_error: flow proto error cleanup started
>> on 0xba6748, error_code: -1610612737
>> [E 14:49:21.801631] handle_io_error: flow proto 0xba6748 canceled 1
>> operations, will clean up.
>> [E 14:49:21.801650] fp_multiqueue_cancel: flow proto cancel called on
>> 0xba6eb0
>> [E 14:49:21.801670] handle_io_error: flow proto error cleanup started
>> on 0xba6eb0, error_code: -1610612737
>> [E 14:49:21.801739] handle_io_error: flow proto 0xba6eb0 canceled 1
>> operations, will clean up.
>> [E 14:49:21.801827] handle_io_error: flow proto 0xba49a8 error cleanup
>> finished, error_code: -1610612737
>> [E 14:49:21.801852] handle_io_error: flow proto 0xba5110 error cleanup
>> finished, error_code: -1610612737
>> [E 14:49:21.801873] handle_io_error: flow proto 0xba5fe0 error cleanup
>> finished, error_code: -1610612737
>> [E 14:49:21.801893] handle_io_error: flow proto 0xba6748 error cleanup
>> finished, error_code: -1610612737
>> [E 14:49:21.801916] handle_io_error: flow proto 0xba6eb0 error cleanup
>> finished, error_code: -1610612737
>> ===
>>
>> and at the same time on 5 of my data servers the following messages
>> (produced here
>> only on 1 server) appear in /tmp/pvfs2-server.log:
>>
>> ===
>> [E 14:49:21.804608] handle_io_error: flow proto error cleanup started
>> on 0x119b830, error_code: -104
>> [E 14:49:21.812521] handle_io_error: flow proto 0x119b830 canceled 1
>> operations, will clean up.
>> [E 14:49:21.812543] handle_io_error: flow proto 0x119b830 error
>> cleanup finished, error_code: -104
>> ===
>>
>> Do I have to worry about that?
>>
>> Thanks for any infos,   -Minh.
>> _______________________________________________
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>> Pvfs2-users at beowulf-underground.org
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>>
> 


-- 
Dr. Trach-Minh Tran
CRPP/SB/EPFL http://crppwww.epfl.ch
Swiss Federal Institute of Technology
CH-1015 Lausanne
Office: http://plan.epfl.ch/?room=PPB111
Tel: +41 21 693 4569
Fax: +41 21 693 5176


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