2016-09-23 13:50 GMT+02:00 Sahina Bose <[email protected]>: Ok, if I encounter again similiar problems I will post logs here
> > If you have additional capacity on the other 3 hosts , then yes, you can > create a new gluster volume with a brick on the newly added 4th node and > bricks from other nodes - this volume can be used as another storage > domain. You are not doing anything wrong :) Keep in mind that all gluster > volumes used as data storage domains should be replica 3 or replica 3 > -arbiter to avoid split-brain and data loss issues. > > Mmmmh this is ringing an alarm bell then. So, it's basically impossible (or at least not supported) a 4 hosts configuration with all the 4 hosts having a data domain in a replica 2 fashion? Is it only replica 3 arbiter 1 the supported HA configuration? So if I want to expand storage (a part from adding disks to the same machines) I must add machines 3 by 3 ? Currently I have 4 machines with 4 disks each in a RAID-10 configuration, exposed as one brick. Which is the best HA solution in this scenario then? Thanks -- Davide Ferrari Senior Systems Engineer
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