IBB brain shutdown procedure
This document describes procedure to shutdown an IBB brain instance.
On RHV admin portal, shutdown all virtual machines but not the
Put the cluster in global maintenance mode by login any brain server, and
hosted-engine --set-maintenance --mode=global.
To verify, login in a brain node and
If you are like me who dislikes any GUI and mouse clicks, CLI via a SSH session to IMM is a fun way to get things done. This one shows how to config disks into RAID.
CLI manual is here.
usage: storage -config vol -option [-options] -target target_id options: -remove ...