[Gluster-devel] Support for Scaling Tier volume, ie Add/Remove brick and Rebalance

[Atin Mukherjee]

On 06/21/2016 12:05 PM, Hari Gowtham wrote:
> 
> 
> ----- Original Message -----
>> From: "Mohammed Rafi K C" <rkavunga at redhat.com>
>> To: "Atin Mukherjee" <amukherj at redhat.com>, "Gluster Devel" <gluster-devel at gluster.org>
>> Sent: Tuesday, June 21, 2016 11:51:13 AM
>> Subject: Re: [Gluster-devel] Support for Scaling Tier volume, ie Add/Remove brick and Rebalance
>>
>>
>>
>> On 06/21/2016 11:47 AM, Atin Mukherjee wrote:
>>> The current doc is read-only. Could you please open up the permissions
>>> to add comments?
>> I have changed the permission to read/write. Thanks to Ravi and Atin for
>> pointing this.
>>
>> Rafi
>>
>>
>>>
>>> ~Atin
>>>
>>> On 06/21/2016 11:31 AM, Mohammed Rafi K C wrote:
>>>> Hi,
>>>>
>>>> The current implementation of Tiering lacks support for rebalance, as
>>>> the migration daemon uses the framework for rebalance process. Because
>>>> of this constraints, we were forced to remove support for add/remove
>>>> brick on a tired volume.
>>>>
>>>> We are now focusing to bring rebalance support along with add/remove
>>>> brick. Steps involved in the overall process would be ,
>>>>
>>>> 1) Tier process as a service based daemon
>>>> 2) Changes to current add/remove brick cli to specify the tier which we
>>>> want to scale.
>>>> 3) Changes to rebalance cli to start rebalance on tiers
>>>> 4) glusterd support for add/remove brick operation on tiering.
>>>> 5) Changes to rebalance status.
>>>> 6) Addressing Backward compatibility.
>>>>
>>>> Before starting, we want to get your expert opinions on this topics. I
>>>> have created a doc [1] file that contains some of the question that
>>>> stuck in mind. It would be great if you guys can provide your thoughts
>>>> as a comment on the Doc file.
>>>>
>>>> [1] https://goo.gl/ODO5Pc
> 
> have added the draft for design doc.
> https://docs.google.com/a/redhat.com/document/d/1iH8rrVSeIq-jR_XcQ6ILf0KSDeOHTXdSI3UkvaVmRiM/edit?usp=sharing
> please feel free to point out the issues.

Hari, this is not accessible from a non-RH a/c. Please open up the
permission or move it to a public place holder.

~Atin
> 
>>>>
>>>> Thanks in Advance.
>>>>
>>>> Regards
>>>> Rafi KC
>>>> _______________________________________________
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>>>> Gluster-devel at gluster.org
>>>> http://www.gluster.org/mailman/listinfo/gluster-devel
>>>>
>>
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>