What is the best order to perform the above? Our current Splunk environment consists of 5 clustered Indexers and 4 clustered Search Heads load balanced, both single-site. We will be adding 11 Indexers equally distributed between two sites, and an additional 4 Search Heads, equally distributed between two sites, all utilizing an existing Load Balancer.
Indexer cluster will become multisite, but remain single cluster. Search Head cluster will remain a logical single site cluster.
My issue is the order in which the migration and expansion steps should be done. Data migration should not be an issue; we do not currently have an official data retention policy; I'm fairly certain we will let existing single-site data age out. Here is my current outline:
Indexer expansion and Migration
1. Install and configure additional 11 Indexers
2. Add indexers to current site
3. Migrate from single-site to multisite
Search Head expansion
1. Install and configure additional 4 Search Heads
2. Add Search Heads to existing cluster
3. Add Search Heads to Load Balancer
Please advise if this is the best way to proceed, and if not please give recommendations.
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