We originally used pacemaker to move a VIP between our RGWs, but ultimately decided to go with an LB in front of them. With an LB you can utilize both RGWs while they're up, but the LB will shy away from either if they're down until the check starts succeeding for that host again. We do have 2 LBs with pacemaker, but the LBs are in charge of 3 prod RGW realms and 2 staging realms. Moving to the LB with pacemaker simplified our setup quite a bit for HA.
On Wed, Jun 20, 2018 at 12:08 PM Simon Ironside <sironside@xxxxxxxxxxxxx> wrote:
Hi,
Perhaps not optimal nor exactly what you want but round robin DNS works with two (or more) vanilla radosgw servers ok for me as a very rudimentary form of failover and load balancing.
If you wanted active/standby you could use something like pacemaker to start services and move the vIP around, you don't need DRBD or similar to keep things in sync as all the data is obviously in ceph.
Simon_______________________________________________
On 20/06/18 16:44, nigel davies wrote:
Hay All
Has any one, done or working a way to do S3(radosgw) failover.
I am trying to work out away to have 2 radosgw servers, with an VIPwhen one server goes down it will go over to the other.
I am trying this with CTDB, but while testing the upload can fail and then carry on or just hand and time out.
Any advise on this would be grateful as i am lousing my mind.
Thanks Nigdav007
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