Subject: Read-Only Boot from ZFS Snapshot [PSARC/2009/670 OnePager]
To:      PSARC-ext@Sun.Com
Cc:      
Bcc:     one-pager-list@sac.sfbay one-pager-log@sac.sfbay sac-bar@sac.sfbay


Template Version: @(#)sac_nextcase 1.68 02/23/09 SMI
This information is Copyright 2009 Sun Microsystems
1. Introduction
    1.1. Project/Component Working Name:
	 Read-Only Boot from ZFS Snapshot
    1.2. Name of Document Author/Supplier:
	 Author:  Joep Vesseur
    1.3  Date of This Document:
	08 December, 2009
4. Technical Description
Allow for booting from a ZFS snapshot.  The boot image
will be read-only.  Early in boot a clone of the root
is created and used to provide writable storage for the
system image during its lifetime.  Upon reboot, the
system image will reset to the same previous state.

6. Resources and Schedule
    6.4. Steering Committee requested information
   	6.4.1. Consolidation C-team Name:
		ON
    6.5. ARC review type: OnePager
    6.6. ARC Exposure: open