[Gluster-devel] Replacing a host using gdeploy

[Peter Portante]

Thanks sac, I'll take a look at this.

-peter

On Mon, Jun 13, 2016 at 1:35 PM, Sachidananda URS <surs at redhat.com> wrote:

> Hi,
>
> With the replace node operation being very tedious and elaborate process,
> it is
> easy to commit mistakes. And it is much tedious process to roll back in
> case of
> mistakes.
>
> This is an effort to automate the entire process, the script
> replace_node.sh is
> a wrapper script around gdeploy configuration file. It takes three
> parameters:
> `Existing node name', `new node name', and `volume name'. The script
> generates
> a configuration file, and calls gdeploy with the configuration file as an
> argument. This handles clusters with multiple hosts and just two hosts.
>
> USAGE:
>
> $ ./replace_node.sh NODE-1 NODE-2 VOLUMENAME
>
>
> *******************************************************************************
> Node NODE-2 will be replaced with configuration from NODE-1
> It is very important to give the node names right. Review before
> continuing.
>
> *******************************************************************************
>
> Continue(y/N):
>
>
> -------------------------
>
> When continued NODE-2 will be added into the cluster and self-heal is
> triggered.
>
> Prerequisites:
> ===========
> 1. Password less ssh from node-1 to node-2
> 2. Passwordless ssh from the laptop to node-1, node-2
> 3. Place the replace_prep.sh under /usr/share/ansible/gdeploy/scripts/
>
> Configuration generation and additional script generation and invocation is
> managed by gdeploy.
>
> The step-3 in Prerequisite will be handled in the rpm once the code is
> merged
> upstream and rpm generated. I'll post on -users list once I build rpms.
>
> I've done some initial tests and things work fine. Any suggestions and
> contributions are welcome.
>
> -sac
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.gluster.org/pipermail/gluster-devel/attachments/20160613/5f1fb4c6/attachment.html>