5 Essential Tips for Maximizing Your Experience at Nutanix .NEXT for Bloggers
We actually don’t know exactly what the cerberus component is doing. The cerberus tasks get executed in the aplos_engine processes. I found a script called “cerberus_util” in /home/nutanix/bin on the PC CVM which can be used to remove “rogue charges” (according to the top comment in the file). I think cerbeus might have to do something with quotas or maybe billing? In the end the slow cerberus tasks are blocking all our other tasks (like VM creation, updating, deletion, etc).However, we also noticed that these cerberus tasks are created by the regular (every 5 min) ncc checks executed via cron (/var/spool/crontabs/nutanix) on the PC CVM. We disabled those checks for now and had no cerberus tasks running for some days now.I would like to empty all charges actually (as this is only a testing cluster) as I think something in the cassandra DB (where the charges are stored) might be wrong, but I don’t know how.If there are no more ideas, we will need to reinstall the PC CVM at some stage.
Thanks, we actually noticed that a remote connection wasn’t possible, because we had blocking long running tasks running in Nutanix (cerberus uncharge tasks). They prevented the ‘create remote connection’ tasks from being started. After we killed all those cerberus tasks, a remote connection was possible without a problem. So all the thrown exceptions which one can see in the prism_gateway.log file are unrelated.
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