Gluster users - Oct 2015 - Suggested method for replacing an entire node

I want to replace my existing CentOS 6 nodes with CentOS 7 ones. Is there a
recommended way to go about this from the perspective of Gluster? I am
running a 3 node replicated cluster (3 servers each with 1 brick). In case
it makes a difference, my bricks are on separate drives formatted as XFS so
it is possible that I can do my OS reinstall without wiping out the data on
two nodes (the third had a hardware failure so it will be fresh from the
ground up).




Thanks,
*Gene Liverman*
Systems Integration Architect
Information Technology Services
University of West Georgia
gliverma at westga.edu

ITS: Making Technology Work for You!
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On 10/07/2015 10:28 PM, Gene Liverman wrote:
> I want to replace my existing CentOS 6 nodes with CentOS 7 ones. Is
> there a recommended way to go about this from the perspective of
> Gluster? I am running a 3 node replicated cluster (3 servers each with 1
> brick). In case it makes a difference, my bricks are on separate drives
> formatted as XFS so it is possible that I can do my OS reinstall without
> wiping out the data on two nodes (the third had a hardware failure so it
> will be fresh from the ground up).
That's possible. You could do the re-installation one at a time. Once
the node comes back online self heal daemon will take care of healing
the data. AFR team can correct me if I am wrong.

Thanks,
Atin
> 
> 
> 
> 
> Thanks,
> *Gene Liverman*
> Systems Integration Architect
> Information Technology Services
> University of West Georgia
> gliverma at westga.edu <mailto:gliverma at westga.edu>
> 
> ITS: Making Technology Work for You!
> 
> 
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