Re: Configuring MemStore in Ceph

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Hello Haomai,

The issue was with me not mentioning the value correctly in ceph.conf. I mistakenly used 5*1024*1024*1024 instead of the value 5368709120. Thanks for your help! :)

Aakanksha

-----Original Message-----
From: Haomai Wang [mailto:haomaiwang@xxxxxxxxx] 
Sent: Wednesday, July 29, 2015 10:15 AM
To: Aakanksha Pudipeddi-SSI
Cc: ceph-users@xxxxxxxx
Subject: Re:  Configuring MemStore in Ceph

On Thu, Jul 30, 2015 at 1:09 AM, Aakanksha Pudipeddi-SSI <aakanksha.pu@xxxxxxxxxxxxxxx> wrote:
> Hello Haomai,
>
> Thanks for your response. Yes, I cannot write more than 1GB of data to it. I am using the latest version deployed by ceph-deploy so I am assuming the fix must be a part of it. Also, while creating osds using ceph-deploy, I just use a local directory such as /var/local/osd0. Is there any particular step to change while creating the osd with memstore? Thanks a lot for your help!
>

Hmm, I can't think of other ideas. Maybe you could verify your osd config value via "ceph daemon osd.0 config show | grep memstore"

> Aakanksha
>
> -----Original Message-----
> From: Haomai Wang [mailto:haomaiwang@xxxxxxxxx]
> Sent: Tuesday, July 28, 2015 7:36 PM
> To: Aakanksha Pudipeddi-SSI
> Cc: ceph-users@xxxxxxxx
> Subject: Re:  Configuring MemStore in Ceph
>
> On Wed, Jul 29, 2015 at 10:21 AM, Aakanksha Pudipeddi-SSI <aakanksha.pu@xxxxxxxxxxxxxxx> wrote:
>> Hello Haomai,
>>
>> I am using v0.94.2.
>>
>> Thanks,
>> Aakanksha
>>
>> -----Original Message-----
>> From: Haomai Wang [mailto:haomaiwang@xxxxxxxxx]
>> Sent: Tuesday, July 28, 2015 7:20 PM
>> To: Aakanksha Pudipeddi-SSI
>> Cc: ceph-users@xxxxxxxx
>> Subject: Re:  Configuring MemStore in Ceph
>>
>> Which version do you use?
>>
>> https://github.com/ceph/ceph/commit/c60f88ba8a6624099f576eaa5f1225c2f
>> c
>> aab41a
>> should fix your problem
>>
>> On Wed, Jul 29, 2015 at 5:44 AM, Aakanksha Pudipeddi-SSI <aakanksha.pu@xxxxxxxxxxxxxxx> wrote:
>>> Hello,
>>>
>>>
>>>
>>> I am trying to setup a ceph cluster with a memstore backend. The 
>>> problem is, it is always created with a fixed size (1GB). I made 
>>> changes to the ceph.conf file as follows:
>>>
>>>
>>>
>>> osd_objectstore = memstore
>>>
>>> memstore_device_bytes = 5*1024*1024*1024
>>>
>>>
>>>
>>> The resultant cluster still has 1GB allocated to it. Could anybody 
>>> point out what I am doing wrong here?
>
> What's the mean of "The resultant cluster still has 1GB allocated to it"?
>
> Is it mean that you can't write data more than 1GB?
>
>>>
>>>
>>>
>>> Thanks,
>>>
>>> Aakanksha
>>>
>>>
>>> _______________________________________________
>>> ceph-users mailing list
>>> ceph-users@xxxxxxxxxxxxxx
>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>
>>
>>
>>
>> --
>> Best Regards,
>>
>> Wheat
>
>
>
> --
> Best Regards,
>
> Wheat



--
Best Regards,

Wheat
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