[Gluster-users] Suggested method for replacing an entire node

[Atin Mukherjee]

-Atin
Sent from one plus one
On Oct 8, 2015 7:17 PM, "Alastair Neil" <ajneil.tech at gmail.com> wrote:
>
> I think you should back up /var/lib/glusterd and then restore it after
the reinstall and installation of glusterfs packages.  Assuming the node
will have the same hostname and ip addresses and you are installing the
same version gluster bits, I think it should be fine.  I am assuming you
are not using ssl for the connections if so you will need to back up the
keys for that too.
If the same machine is used with out hostname/ IP change, backing up
glusterd configuration *is not* needed as syncing the configuration will be
taken care peer handshaking.
>
> -Alastair
>
> On 8 October 2015 at 00:12, Atin Mukherjee <amukherj at redhat.com> wrote:
>>
>>
>>
>> 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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>> >
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>
>
>
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