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Flag day: ZFS Boot Support
Date: Fri, 11 Apr 2008 18:39:00 -0700
From: George Wilson <George.Wilson at sun dot com>
To: on-all at eng dot sun dot com, onnv-gate at onnv dot sfbay dot sun dot com
Subject: Flag day: ZFS Boot Support
The putback of:
PSARC/2006/370 ZFS Boot Support
5008936 ZFS and/or zvol should support dumps
5070124 dumpadm -d /dev/... does not enforce block
device requirement for savecore
6521468 ZFS Boot support Phase 2
6553503 bfu can't find 'rootdev' from /etc/vfstab on a zfs
root filesystem
6574993 zfs_mountroot() may need to call clkset() to set
the boot_time kstat
6633197 zvol should not permit newfs or createpool while
it's in use by swap or dump
6661127 zfs_name_valid() does not support ZFS_TYPE_POOL
6684121 The changes to smf scripts for supporting
canmount=noauto will cause a boot failure.
provides the ability to boot the Solaris Operating System from
a ZFS root file system on both x86 and SPARC platforms.
This is a flag day for Cap-Eye Install users and existing users of zfs
root file systems. Matching user-land libraries, kernel, and grub
are required.
Further changes to the Install consolidation are required to install
ZFS as the root file system. These changes are planned for Install
build 89. Once these changes have integrated, we will release a
heads up statement.
Systems that already have zfs root file systems can be bfu'd
with this release, but bfu will not convert the legacy mounts
(of /, /var, and so on) to zfs mounts. After the install change are
integrated, users are advised to reinstall their systems to achieve
the "standard" zfs boot configuration (which uses zfs mounts, not legacy
mounts). However, the system will continue to boot with legacy mounts
(at least for now). System which bfu to these changes will no longer be
able to bfu backwards.
Please check our OpenSolaris page for the latest info.
The following documents have been updated for the new features:
Solaris Installation Guide
System Administration Guide: Basic
ZFS Administration Guide
System Administration Guide: Devices and File Systems
dumpadm (1M)
swap (1M)
bootadm (1M)
boot (1M)
For further information, visit our OpenSolaris page at:
http://opensolaris.org/os/community/zfs/boot/
Bugs can be filed in the solaris/kernel/zfs Bugster category
Please contact zfs-discuss at opensolaris dot org with questions
Thanks,
The ZFS Boot Team
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