Problem occured with same name of cluster in different machines


(Mehmet Özer) #1

Hello,

I have a weird issue today and it gives me lots of problem. I had two
cluster different but unfortunatelly I gave them the same names by mistake;

lets say;
test_cluster

  • both cluster have had totaly different machines ( it was working well
    its been one month)
  • today I added a machine in one of the cluster and I saw that all the
    machines were in the same cluster physically (it was not the case before
    adding the machine)
  • I have chacked the unicast list; there were no machine in common

So someone can explain me how I had this problem and how I can seperate
them ?

Thank you

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(Mark Walkom) #2

This is why -
https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-discovery-zen.html#multicast

Your best option is to use
https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules-allocation.html#shard-allocation-filtering
and then move indices to their correct node, then shutdown one cluster and
change the cluster name.

PS - We're moving to https://discuss.elastic.co/, please join us there for
any future discussions!

On 29 May 2015 at 03:12, mehmet özer mehmetozer1988@gmail.com wrote:

Hello,

I have a weird issue today and it gives me lots of problem. I had two
cluster different but unfortunatelly I gave them the same names by mistake;

lets say;
test_cluster

  • both cluster have had totaly different machines ( it was working
    well its been one month)
  • today I added a machine in one of the cluster and I saw that all the
    machines were in the same cluster physically (it was not the case before
    adding the machine)
  • I have chacked the unicast list; there were no machine in common

So someone can explain me how I had this problem and how I can seperate
them ?

Thank you

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(system) #3