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However, these pools remain untouched, unless you select the disks in the existing pools to create the new storage pool.There are existing ZFS pools available on this system.If you select a ZFS root file system, you are prompted to create a ZFS storage pool. For example, if you specify value means that the installation software selects a suitable device.The steps for installing a ZFS root file system follow: If you did not create a mirrored ZFS root pool during installation, you can easily create one after the installation. You can mirror as many disks as you like, but the size of the pool that is created is determined by the smallest of the specified disks.This chapter describes how to install and boot a Oracle Solaris ZFS file system.Migrating a UFS root file system to a ZFS file system by using Oracle Solaris Live Upgrade is also covered.For example, a system with 12 GB of disk space might be too small for a bootable ZFS environment because 2 GB of disk space is required for each swap and dump device and approximately 6 GB of disk space is required for the ZFS BE that is migrated from the UFS BE.In this Solaris release, you can perform an initial installation by using the Solaris interactive text installer to create a ZFS storage pool that contains a bootable ZFS root file system.
Before you create the new pool, ensure that the disks to be used in the pool have an SMI (VTOC) label instead of an EFI label.
Review the following disk space requirements for ZFS storage pools: You can adjust the sizes of your swap and dump volumes to sizes of your choosing as long as the new sizes support system operations.
For more information, see Adjusting the Sizes of Your ZFS Swap Device and Dump Device.
When a system is installed or upgraded with a ZFS root file system, the size of the swap area and the dump device are dependent upon the amount of physical memory.
The minimum amount of available pool space for a bootable ZFS root file system depends upon the amount of physical memory, the disk space available, and the number of boot environments (BEs) to be created.