Thursday Apr 13, 2006

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ZFS Mountroot

ZFS Mountroot

Description

ZFS Mountroot provides the capability of configuring a ZFS root filesystem. ZFS Mountroot is NOT a complete boot solution; it relies on the existence of a small UFS boot environment to bootstrap the machine.

ZFS Mountroot was integrated in Solaris Nevada Build 37, but is off by default. The following web page provides instructions for manually turning on and setting up ZFS as your root filesystem. A script will be provided shortly to automatically perform the actions described in this script.

Known Problems

  • The ZFS Mountroot does not current work on SPARC, check back soon for an update.
  • ACLs are not entirely preserved when copying files from a ufs root to a zfs root. ZFS will convert ufs style ACLs to the new NFSv4 acls, but they may not be entirely identical.
  • 5008936 ZFS and/or zvol should support dumps
  • 6256649 the boot-archive check should not trip over changes in devid-cache

Instructions

Filing Bugs

File bugs early and often! If you aren't sure if something is a bug, that's a bug. Please file a bug and mention your uncertainty in the bug report. All ZFS bugs should be filed via The Opensolaris Bug Database under kernel/zfs.

Thank you!

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