Hello Alex,
How do i prepare the gluster volume as the gluster volume is also hosted on the 1st baremetal, can you elaborate this setup?
just reading the docs of gluster must consists of 3 node either 3 gluster nodes or 2 gluster nodes + 1 arbiter on a replica set
Indeed, for production use, you need replica 3 gluster setup (either replica 3 or 2 + 1 arbiter). In your case, you may go temporarily with a replica 2 (two hosts) setup. In this case, it is best practise to dedicate a separate network for the gluster traffic. Lets assume gluster0 and gluster1 are the hostnames of each host at the gluster storage network and the bricks are at /gluster/engine/brick. Then you need to run from gluster0 host:
gluster peer probe gluster1gluster volume add-brick engine replica 2 gluster1:/gluster/engine/brick
gluster volume set engine cluster.server-quorum-type none
gluster volume set engine cluster.quorum-type fixed
gluster volume set engine cluster.quorum-count 1
Repeat for each volume and wait for heal (sync to complete).
Check heal status of each volume:
gluster volume heal <volume name> info
I do not include all details here. I assume the existing gluster volumes are already configured with the appropriate settings. As soon as you have the replica 2 setup in place, you then can proceed with a replica 3 setup with the same approach. Remember to enable quorum at each volume.
Hope that helps.
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