ZFS Root Pool Installation Improvements

Review the following installation improvements for root pools:

• Disk labeling changes – If the disk label or labels that are intended to contain the OS are unknown, the disks are automatically relabeled with the appropriate disk label.

  Starting with Oracle Solaris 11.1, SPARC based systems with GPT-aware firmware and most x86 based systems are installed with an EFI (GPT) label on the root pool disk or disks. See SPARC: GPT Labeled Disk Support in Oracle Solaris 11.2 Release Notes for further instructions.

  In addition, the AI installer has improved the whole_disk keyword syntax so that if whole_disk is set to true, the disk's contents are replaced, even if it has existing partitions or slices.

• AI installation of a mirrored root pool – Oracle Solaris 10 installation features enable you to create a mirrored root pool during installation. You can use AI manifest keyword syntax to create a mirrored root pool during an Oracle Solaris 11 automated installation. For example, the following syntax creates a mirrored root pool using whole disks:

  <!DOCTYPE auto_install SYSTEM "file:///usr/share/install/ai.dtd.1">
  .
  .
  .
  <target>
  <disk whole_disk="true" in_zpool="rpool" in_vdev="mirrored">
  <disk_name name="c1t0d0" name_type="ctd"/>
  </disk>
  <disk whole_disk="true" in_zpool="rpool" in_vdev="mirrored">
  <disk_name name="c2t0d0" name_type="ctd"/>
  </disk>
  <logical>
  <zpool name="rpool" is_root="true">
  <vdev name="mirrored" redundancy="mirror"/>
  <!--
  Subsequent <filesystem> entries instruct an installer to create
  following ZFS datasets:
  
  <root_pool>/export         (mounted on /export)
  <root_pool>/export/home    (mounted on /export/home)
  .
  .
  .       </zpool>
  </logical>
  </target>
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