[Gluster-users] gluster 3.0.4 upgrade

[Vijay Bellur]

On Mon, Mar 13, 2017 at 1:36 PM, Deyan <dchepishev at gmail.com> wrote:

> Hello,
>
> I have one server, running CentOS5 and gluster 3.0.4
>
> Now obviously I need to upgrade to newer version of both, OS and gluster.
>
> I plan to use CentOS7, but my question is, what is the best way to upgrade
> the current cluster to gluster 3.10
>
> I am using only DHT with 7 bricks and single volume
>
> What is the best upgrade path ?
>


This is a rather difficult process considering that a lot of things have
changed between 3.0 and now.

The recommended approach would be to copy over data from the old volume
(running 3.0) to a new volume (with 3.10) if you can.


> I tried on a test machine, to install newer version of gluster (3.7) and
> created the volume with "volume create" and using the same bricks and it
> looks like the files are visible, but since this is only a test set of
> files, I am not actually sure, that this is the right thing to do.
>
> Can someone give me some recommendation what is best thing to do?
>

Do you have more details on the volume files used with 3.0? Have you
figured out the right volume type that you would need to use with "volume
create"?


Regards,
Vijay
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