如何在故障安全模式下引导基于 SPARC 的系统
使用此过程在故障安全模式下引导基于 SPARC 的系统以更新引导归档文件。如果在更新引导归档文件后系统不引导，您可能需要在单用户模式下引导系统。有关更多信息，请参见SPARC: 如何将系统引导至运行级别 S（单用户级别）。
注 –
此过程还说明了在故障安全模式下如何引导指定的 ZFS 数据集。
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成为超级用户或同等角色。
角色包含授权和具有一定权限的命令。有关角色的更多信息，请参见 《系统管理指南：安全性服务》中的“配置 RBAC（任务列表）”。
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使系统进入 ok 提示符：
# init 0
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引导故障安全归档文件。
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要引导缺省故障安全归档文件，请键入：
ok boot -F failsafe
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要引导特定 ZFS 数据集的故障安全归档文件，请键入：
ok boot -F failsafe -Z dataset
例如：
ok boot -F failsafe -Z rpool/ROOT/zfsBE2
注 –要确定要引导的数据集的名称，请首先使用 boot -L 命令显示系统中可用 BE 的列表。有关更多信息，请参见SPARC: 如何列出 ZFS 根池中可用的可引导数据集。
如果检测到不一致的引导归档文件，将会显示一条消息。
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要更新引导归档文件，请键入 y，然后按回车键。
An out of sync boot archive was detected on rpool. The boot archive is a cache of files used during boot and should be kept in sync to ensure proper system operation. Do you wish to automatically update this boot archive? [y,n,?] y
如果成功更新归档文件，将会显示一条消息：
The boot archive on rpool was updated successfully.
示例 12–7 SPARC: 在故障安全模式下引导系统
该示例介绍如何在故障安全模式下引导基于 SPARC 的系统。如果未指定任何设备，则引导缺省引导设备的故障安全归档文件。
ok boot -F failsafe Resetting ... screen not found. Can't open input device. Keyboard not present. Using ttya for input and output. Sun Enterprise 220R (2 X UltraSPARC-II 450MHz), No Keyboard OpenBoot 3.23, 1024 MB memory installed, Serial #13116682. Ethernet address 8:0:20:c8:25:a, Host ID: 80c8250a. Rebooting with command: boot -F failsafe Boot device: /pci@1f,4000/scsi@3/disk@1,0:a File and args: -F failsafe SunOS Release 5.10t Copyright 1983-2007 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Configuring /dev Searching for installed OS instances... An out of sync boot archive was detected on /dev/dsk/c0t1d0s0. The boot archive is a cache of files used during boot and should be kept in syncto ensure proper system operation. Do you wish to automatically update this boot archive? [y,n,?] y Updating boot archive on /dev/dsk/c0t1d0s0. The boot archive on /dev/dsk/c0t1d0s0 was updated successfully. Solaris 5.10 was found on /dev/dsk/c0t1d0s0. Do you wish to have it mounted read-write on /a? [y,n,?] n Starting shell. # |
示例 12–8 SPARC: 在故障安全模式下引导指定的 ZFS 数据集
此示例介绍如何在故障安全模式下引导 ZFS 数据集。请注意，首先使用 boot -L 命令显示可用引导环境的列表。此命令必须在 ok 提示符下运行。
ok boot -L
Rebooting with command: boot -L
Boot device: /pci@1f,4000/scsi@3/disk@1,0 File and args: -L
1 zfsBE2
Select environment to boot: [ 1 - 1 ]: 1
To boot the selected entry, invoke:
boot [<root-device>] -Z rpool/ROOT/zfsBE2
Program terminated
{0} ok
Resetting ...
screen not found.
Can't open input device.
Keyboard not present. Using ttya for input and output.
Sun Enterprise 220R (2 X UltraSPARC-II 450MHz), No Keyboard
OpenBoot 3.23, 1024 MB memory installed, Serial #13116682.
Ethernet address 8:0:20:c8:25:a, Host ID: 80c8250a.
{0} ok boot -F failsafe -Z rpool/ROOT/zfsBE2
Boot device: /pci@1f,4000/scsi@3/disk@1,0 File and args: -F failsafe -Z
rpool/ROOT/zfsBE2
SunOS Release 5.10
Copyright 1983-2008 Sun Microsystems, Inc. All rights reserved.
Use is subject to license terms.
Configuring /dev
Searching for installed OS instances...
ROOT/zfsBE2 was found on rpool.
Do you wish to have it mounted read-write on /a? [y,n,?] y
mounting rpool on /a
Starting shell.
#
#
#
# zpool list
NAME SIZE USED AVAIL CAP HEALTH ALTROOT
rpool 16.8G 6.26G 10.5G 37% ONLINE /a
#
# zpool status
pool: rpool
state: ONLINE
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
rpool ONLINE 0 0 0
c0t1d0s0 ONLINE 0 0 0
errors: No known data errors
#
# df -h
Filesystem size used avail capacity Mounted on
/ramdisk-root:a 163M 153M 0K 100% /
/devices 0K 0K 0K 0% /devices
/dev 0K 0K 0K 0% /dev
ctfs 0K 0K 0K 0% /system/contract
proc 0K 0K 0K 0% /proc
mnttab 0K 0K 0K 0% /etc/mnttab
swap 601M 344K 601M 1% /etc/svc/volatile
objfs 0K 0K 0K 0% /system/object
sharefs 0K 0K 0K 0% /etc/dfs/sharetab
swap 602M 1.4M 601M 1% /tmp
/tmp/root/etc 602M 1.4M 601M 1% /.tmp_proto/root/etc
fd 0K 0K 0K 0% /dev/fd
rpool/ROOT/zfsBE2 16G 5.7G 9.8G 37% /a
rpool/export 16G 20K 9.8G 1% /a/export
rpool/export/home 16G 18K 9.8G 1% /a/export/home
rpool 16G 63K 9.8G 1% /a/rpool
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