[Gluster-users] Geo-replication causing input/output errors on nfs clients

Sam Wouters sam at ericom.be
Fri Jul 5 08:36:54 UTC 2013


Thanks a lot!

On do 04 jul 2013 18:11:21 CEST, Vijay Bellur wrote:
> On 07/04/2013 02:50 PM, Sam Wouters wrote:
>> Hi,
>>
>> we have a setup with a 2 node gluster replication cluster where the
>> volume is exported through the gluster build-in nfs service.
>> This volume is also replicated to a secondary site with geo-replication.
>>
>> The problem is, that when clients are writing files larger than 10M,
>> once every time the write gets aborted with a input/output error. At
>> that moment, following lines appear in the gluster/bricks log:
>>
>> [2013-07-01 12:41:39.800465] E [posix.c:2128:posix_writev]
>> 0-<vol>-posix: write  failed: offset 1069056, Bad file descriptor
>> [2013-07-01 12:41:39.800510] I [server3_1-fops.c:1414:server_writev_cbk]
>> 0-<vol>-server: 114834: WRITEV -2 (8e01b426-11dd-4147-9e5c-9256ca118be7)
>> ==> -1 (Bad file descriptor)
>>
>> When geo-replication is stopped, these errors do not occur, so I suspect
>> this is some kind of locking issue between the integrated nfs server en
>> the crawler for the geo-rep.
>>
>> Anybody any ideas how to circumvent this?
>>
>
> This patch is needed to circumvent the issue:
>
> http://review.gluster.org/#/c/5283/
>
> -Vijay
>

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Sam Wouters
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