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

[Hari Gowtham]

----- 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.

> >>
> >> Thanks in Advance.
> >>
> >> Regards
> >> Rafi KC
> >> _______________________________________________
> >> Gluster-devel mailing list
> >> Gluster-devel at gluster.org
> >> http://www.gluster.org/mailman/listinfo/gluster-devel
> >>
> 
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-- 
Regards, 
Hari.