Hi fellows, It's time to migrate our good old Standalone Splunk Enterprise to 'Small Enterprise deployment'. I read through tons of docs, unfortunately, I didn't find any step-by-step guide, so I have many questions. May Some of you can help. - The existing server is CentOs7, the new servers will be Ubuntu 22.04. Just before the migration, I plan to upgrade Splunk on it from 9.1.5 to the latest 9.3.1. (it wasn't updated because Centos 7 is not supported by 9.3.1) OR do I set up the new servers with 9.1.5 and upgrade them after the migration? - Our daily volume is 3-400 GB/ day. It will not grow drastically in the medium term. What are your recommended hardware specs for the indexers? Can we use the "Mid-range indexer specification" or go for the "High-performance indexer specification" (as described at https://docs.splunk.com/Documentation/Splunk/9.3.1/Capacity/Referencehardware ) - If I understand correctly I can copy the /etc/apps/ from the old server to the new Search Head, so I will have all the apps, saved searches, etc. But what config files must be modified to get the data for the new indexers? (For forwarders this is clear, but we are using a lot of other inputs (Rest-API, HEC, scripted) - Do I configure our existing server as part of the indexer cluster (3rd member), then when all the replications are done on the new servers remove it from the cluster, or copy the index data to one of the new indexers - rename the buckets ( adding the indexer's unique id) and let the cluster manager do the job? (Do I need a separate Cluster manager or the SH could do the job?) And here comes the big twist... - Currently, we using S3 storage via NAS Bridge for the cold buckets. This solution is not recommended and we are already experiencing fallbacks. So, we planned to change the configuration to use SmartStore. How I can move the current cold buckets there? (a lot of data and because of the NAS Bridge this is very very slow to copy...) Thanks in advance Norbert
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