A ZFS boot environment is a bootable clone of the datasets needed to boot the operating system. Creating a BE before performing an upgrade provides a low-cost safeguard: if there is a problem with the update, the system can be rebooted back to the point in time before the upgrade. This article demonstrates how to use the bectl utility to manage BEs and provides examples on how to update packages, apply security patches, and upgrade the operating system using BEs.
Continue reading...
Continue reading...