[Gluster-users] Issue with storage access when brick goes down

Alastair Neil ajneil.tech at gmail.com
Mon Dec 14 22:46:14 UTC 2015


I thought it was to do with the expense of tearing down and setting up the
connections, so the timeout is there to avoid an expensive operation if it
is not really necessary.



On 7 December 2015 at 22:15, Bipin Kunal <bkunal at redhat.com> wrote:

> I assume that this is because the host which went down is even the host
> which is used for mounting client.
>
> Suppose there are 2 host. Host1 and Host2. And client is mounted as
> mount -t glusterfs host1:brick1 /mnt
>
> In this case if host1 goes down, client will wait till network ping
> timeout before it starts accessing volume using other host(host2).
>
> So I think this is expected behaviour.
>
> Thanks,
> Bipin Kunal
> On Dec 7, 2015 10:57 PM, "L, Sridhar (Nokia - IN/Bangalore)" <
> sridhar.l at nokia.com> wrote:
>
>> Hello,
>>
>> I am running gluster storage in distributed replicated mode. When one of
>> the brick (host) goes offline, operations on the file system by the client
>> will hang for a while and resumes after sometime. I searched and found that
>> operations hang for the period set in network.ping-timeout.
>> Can anyone explain me why the client operations will hang even though the
>> other brick is available with all the data?
>>
>>
>> Regards,
>> Sridhar L
>>
>>
>>
>>
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>
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