AIX: Checking & Preparing Boot Image and Accessing alt_rootvg Using blvset and chroot

In AIX environments, especially when working with alt_disk_install or alternate root volume groups, it is often required to prepare the target disk for boot and access the cloned environment before switching over.

This post highlights two essential commands used in this process.

This to check AIX Release on hdisk0:

/usr/lpp/bosinst/blvset -d /dev/hdisk0 -g level

This to switch console to alt int VG :

chroot /alt_inst /usr/bin/ksh