Solaris 10 10/08 (u6) is due to be released within the next month of so (I don't have an exact date) and one of the great features to come with it is ZFS boot. You can already use ZFS boot on Nevada and OpenSolaris defaults to ZFS, but this will be the first release of officially supported Solaris 10 to have ZFS boot.
People have been waiting for this for a long time, and will naturally be eager to migrate their root filesystem from UFS to ZFS. This article will detail how you can do this using Live Upgrade. This will allow you to perform the migration with the least amount of downtime, and still have a safety net in case something goes wrong.
These instructions are aimed at users with systems ALREADY running Solaris 10 10/08 (update 6) or Nevada build 90 (snv_90) or later.
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