Start with:
gluster volume replace-brick myvol1 machine1:/foo machineA:/foo
commit force
Then do:
gluster volume heal myvol1 info
until it's empty which should indicate that the new brick on machineA
now has a complete replica.
repeat above for machine2/B and machine3/C.
On 10/09/2014 01:30 PM, John G. Heim wrote:
How can I replace machines in a gluster cluster with triple
replication? I've had crashes and I've replaces single machines before
but always with one with the same name. Now I need to take machine1,
machine2, and machine3 out of the cluster and replace it with
machineA, machineB, and machineC.
Gluster will not let me detach machine1 all by itself. I have to detach
machine1, machine2, and machine3 all at the same time. But is that
going to cause data loss?
It seems to me that detaching all 3 machines in a brick on a triple
replicated cluster would be like removing a single brick from a
non-replicated cluster. And you can lose data in that case, right?
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