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From Andy C <>
Subject Recovering from machine failure
Date Fri, 16 Mar 2018 20:24:20 GMT
Running Solr 7.2 in SolrCloud mode with 5 Linux VMs. Each VM was a single
shard, no replication. Single Zookeeper instance running on the same VM as
one of the Solr instances.

IT was making changes, and 2 of the VMs won't reboot (including the VM
where Zookeeper is installed). There was a dedicated drive which Solr (and
Zookeeper for the one node) where installed on, and a dedicated drive where
the Solr indexes were created.

They believe the drives are still good. Their plan is to create 2 new VMs
and attach the drives from the old VMs to them. However the IP addresses of
the new VMs will be different.

In the I had set the SOLR_HOST entry to the IP address of the
VM. Is this just an arbitrary name? Will Zookeeper still recognize the Solr
instance if the SOLR_HOST entry doesn't match the IP address.

Obviously I will need to adjust the ZK_HOST entries on all nodes to reflect
the new IP address of the VMs. But will that be sufficient?

Appreciate any guidance.

- Andy -

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