Is it possible to change the boot disk order say from `/dev/sda` to `/dev/sdb` online when the server is up and running without having to go to BIOS screen.
Issue
- We have two disk in the system, both having RHEL OS on it. Is it possible to change the boot disk order say from
/dev/sdato/dev/sdbonline when the server is up and running and without having to go to BIOS screen.
Environment
- Red Hat Enterprise Linux (RHEL)
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