[Gluster-users] Geo replication procedure for DR

[mabi]

Dear Strahil,

Thank you for the detailed command. So once you want to switch all traffic to the DR site in case of disaster one should first disable the read-only setting on the secondary volume on the slave site.

What happens after when the master site is back online? What's the procedure there? I had the following question in my previous mail in this regard:

"And once the primary site is back online how do you copy back or sync all data changes done on the secondary volume on the secondary site back to the primary volume on the primary site?"

Best regards,
Mabi

------- Original Message -------
On Wednesday, June 7th, 2023 at 6:52 AM, Strahil Nikolov <hunter86_bg at yahoo.com> wrote:

> It's just a setting on the target volume:
>
> gluster volume set <VOL> read-only OFF
>
> Best Regards,
> Strahil Nikolov
>
>> On Mon, Jun 5, 2023 at 22:30, mabi
>> <mabi at protonmail.ch> wrote:
>> Hello,
>>
>> I was reading the geo replication documentation here:
>>
>> https://docs.gluster.org/en/main/Administrator-Guide/Geo-Replication/
>>
>> and I was wondering how it works when in case of disaster recovery when the primary cluster is down and the the secondary site with the volume needs to be used?
>>
>> What is the procedure here to make the secondary volume on the secondary site available for read/write?
>>
>> And once the primary site is back online how do you copy back or sync all data changes done on the secondary volume on the secondary site back to the primary volume on the primary site?
>>
>> Best regards,
>> Mabi
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