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.

Solution Verified - Updated -

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/sda to /dev/sdb online 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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