[Gluster-devel] Automated split-brain resolution

[Vijay Bellur]

On 08/11/2014 11:20 AM, Pranith Kumar Karampuri wrote:
>
> On 08/09/2014 12:18 AM, Harshavardhana wrote:

> Some initial thoughts on the solution based on Harsha/Joe/Emmanuel's
> inputs are:
> 1) gluster volume heal <volname> info split-brain should give output in
> some 'format' giving stat/pending-matrix etc for all the files in
> split-brain.
>    - Unfortunately we still don't have a way to provide with file paths
> without doing 'find' on the bricks.
> 2) User saves this output to a file and makes modifications to this file
> giving his choices of files he wants as sources.
> 3) 'gluster volume heal <volname> split-brain input-file <file>' will
> take the inputs and fixes the files.
>
> Question is, is it worthwhile to implement the two commands proposed by
> Ravi to begin with and implement the solution above in subsequent releases?
> Because these things are easier to implement and I feel they definitely
> address some of the pain points I have observed dealing with users.
>

This approach looks good to me. We still need to think through and 
carefully design an interactive mechanism for resolving split-brains. 
While we evolve that interface,  we can implement commands proposed by 
Ravi in the near term to alleviate some user pain points.

-Vijay