Re: A VM with 6 volumes - hangs

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Without knowing the cluster architecture it's hard to know exactly
what may be happening. And you sent no information on your cluster...

How is the cluster hardware? Where are the journals? How busy are the
disks (% time busy)? What is the pool size? Are these replicated or EC
pools?



On Mon, Nov 14, 2016 at 3:16 PM, German Anders <ganders@xxxxxxxxxxxx> wrote:
> try to see the specific logs for those particularly osd's, and see if
> something is there, also take a deep close to the pg's that hold those osds
>
> Best,
>
>
> German
>
> 2016-11-14 12:04 GMT-03:00 M Ranga Swami Reddy <swamireddy@xxxxxxxxx>:
>>
>> When this issue seen, ceph logs shows "slow requests to OSD"
>>
>> But Ceph status is in OK state.
>>
>> Thanks
>> Swami
>>
>> On Mon, Nov 14, 2016 at 8:27 PM, German Anders <ganders@xxxxxxxxxxxx>
>> wrote:
>>>
>>> Could you share some info about the ceph cluster? logs? did you see
>>> anything different from normal op on the logs?
>>>
>>> Best,
>>>
>>>
>>> German
>>>
>>> 2016-11-14 11:46 GMT-03:00 M Ranga Swami Reddy <swamireddy@xxxxxxxxx>:
>>>>
>>>> +ceph-devel
>>>>
>>>> On Fri, Nov 11, 2016 at 5:09 PM, M Ranga Swami Reddy
>>>> <swamireddy@xxxxxxxxx> wrote:
>>>>>
>>>>> Hello,
>>>>> I am using the ceph volumes with a VM. Details are below:
>>>>>
>>>>> VM:
>>>>>   OS: Ubuntu 14.0.4
>>>>>    CPU: 12 Cores
>>>>>    RAM: 40 GB
>>>>>
>>>>> Volumes:
>>>>>    Size: 1 TB
>>>>>     No:   6 Volumes
>>>>>
>>>>>
>>>>> With above, VM got hung without any read/write operation.
>>>>>
>>>>> Any suggestions..
>>>>>
>>>>> Thanks
>>>>> Swami
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> ceph-users mailing list
>>>> ceph-users@xxxxxxxxxxxxxx
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>>>>
>>>
>>
>
>
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