I understand. So my setup is maybe wrong. Vijay, could you please explain how this dummy node setup would look like?
Do you recommend to setup a glusterd on node3 and replicate to 3 servers? In my understanding this would significantly reduce performance as files have to be replicated 3 times. Would it be possible to mount the volume if 2 of 3 glusterd servers are live?
2015-08-31 19:41 GMT+02:00 Vijay Bellur <vbellur@xxxxxxxxxx>:
On Monday 31 August 2015 10:42 PM, Atin Mukherjee wrote:
> 2. Server2 dies. Server1 has to reboot.
>
> In this case the service stays down. It is inpossible to remount the
share without Server1. This is not acceptable for a High Availability
System and I believe also not intended, but a misconfiguration or bug.
This is exactly what I gave as an example in the thread (please read
again). GlusterD is not supposed to start brick process if its other
counter part hasn't come up yet in a 2 node setup. The reason it has
been designed in this way is to block GlusterD on operating on a volume
which could be stale as the node was down and cluster was operational
earlier.
For two node deployments, a third dummy node is recommended to ensure that quorum is maintained when one of the nodes is down.
Regards,
Vijay
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