[Gluster-users] Determining Connected Client Version

[Atin Mukherjee]

On 01/27/2016 12:49 PM, Atin Mukherjee wrote:
> 
> 
> On 01/27/2016 12:40 PM, Pranith Kumar Karampuri wrote:
>>
>>
>> On 01/27/2016 09:21 AM, Atin Mukherjee wrote:
>>>
>>> On 01/27/2016 07:21 AM, Vijay Bellur wrote:
>>>> On 01/26/2016 01:19 PM, Marc Eisenbarth wrote:
>>>>> I'm trying to set a parameter on a volume, but unable to due to the
>>>>> following message. I have a large number of connected clients and it's
>>>>> likely that some clients have updated packages but haven't remounted
>>>>> the
>>>>> volume. Is there an easier way to find the offending client?
>>>>>
>>>> You could grep for "accepted client from" in /var/log/glusterfs/bricks
>>>> to get an idea of the versions of connected clients.
>>> I had sent a patch [1] to improve the error message to indicate which
>>> client is the culprit here. This is not the first time I've heard an
>>> user complaining about it, so will try to get it in the release stream.
>>>
>>> Anyone up for review?
>>>
>>> [1] http://review.gluster.org/#/c/11831/
>>
>> This is definitely better than the state we have now. I looked at the
>> patch. Looks fine. If you could resend the patch with BUG-id lets take
>> it in.
>>
>> What would be even better is if we can enhance "gluster volume status
>> clients" which prints the clients connected at the moment to also print
>> the min,max op-versions so that the users can get the versions of all
>> clients in one command.
> Yes doable. Actually I tried that earlier for the exact op-version but
> it seems like glusterd doesn't come to know about the exact op-version
> what client is running on. But having max and min op-version can
> certainly be done. Do you want to file an enhancement for this?
I just now realized that glusterd's statedump captures this information
which can be used for this case well.
> 
> ~Atin
>>
>> Pranith
>>>> HTH,
>>>> Vijay
>>>>
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>>
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