How to Change the boot disk and test from which disk the Server has been booted in AIX 7

How to Change the boot disk and test from which disk the Server has been booted in AIX 7?


1. Check from which disk the server has been booted ?

bootinfo -b

2. Check the bootable Hard Disks.
bash-4.4# bootlist -m normal -o
hdisk1 blv=hd5 pathid=0
hdisk0 blv=hd5 pathid=0
bash-4.4#

3. Now Change the Boot disk. Before Changing Please make sure bosboot of system to initialize boot records.

bosboot -ad /dev/hdisk0

4. Now Change the order in bootlist.

bootlist -m normal hdisk0 hdisk1

5. Reboot the system

reboot

6. Once the server is back confirm from Which disk the system is booted from.

bootinfo -b

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