[Gluster-users] Volume with only one node
oleksandr at natalenko.name
Tue Oct 25 08:37:13 UTC 2016
25.10.2016 10:08, Maxence Sartiaux wrote:
> I need to migrate a old 2 node cluster to a proxmox cluster with a
> replicated gluster storage between those two (and a third arbitrer
> Id like to create a volume with a single node, migrate the data on
> this volume from the old server and then reinstall the second server
> and add the second brick to the volume.
If you have only 2 nodes in total, you may lower replica to replica 1,
reinstall another node, re-add bricks to form replica 2 and repeat these
steps for another node. No downtime and data migration by hands needed.
> I found no informations about creating a replicated volume with a
> single node, is it possible ?
Yes, with "force" option, if you really need that.
> Also is it possible to add a third arbitrary node to an existing 2
> replica volume ?
Yes, starting from v3.8.
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