Hi,
Could you please check if my upgrade scenario given below will work
properly? I have three nodes in cluster (ES 1.3, no replication) and I want
to upgrade it to ES 1.4.
I wonder can I do the following:
1) Create three new nodes running ES 1.4
2) Add them to cluster
3) Configure replication "number_of_replicas": 1
4)Make sure replicas goes to new nodes by invoking curl -XPOST -d '{
"commands" : [ { "allocate" ... etc.
5) When all repicas are moved, enable one of new servers as master
6) Disable the old master
7) Stop old servers
Will this scenario work? Would it be the same to create snapshot and
restore it on new servers as new cluster?
The main point of why I'm not following official guide is: I want to be
able to come back quickly to previous configuration.
Chris
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