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mirroring the boot slice (slice 8) on x86

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Operating Systems Solaris mirroring the boot slice (slice 8) on x86
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Old 11-14-2006
mirroring the boot slice (slice 8) on x86
Hi there

I am about to mirror a Solaris 10 x86 box (SunFire X4100) onto a secondary disk using svm (current system is one disk). My question is this, on X86 boxes there is a slice 8 defined as boot partition (and also a slice 9, dunno what its used for tho). Do I need to mirror this boot slice as well ?..or does the boot partition need to be on the first disk only, or indeed by mirroring onto a metadisk i suppose I am keeping it on the first disk as the metadevice is the only disk .......aaaargh im confused

any help would be greatly aprreciated

cheers
Gary
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LEARN ABOUT SUNOS

re-preinstall

re-preinstall(1M)					  System Administration Commands					 re-preinstall(1M)

NAME

       re-preinstall - installs the JumpStart software on a system

SYNOPSIS

       cdrom-mnt-pt/Solaris_XX/Tools/Boot/usr/sbin/install.d/re-preinstall [-m Solaris_boot_dir] [-k platform_name] target-slice

DESCRIPTION

       re-preinstall installs the JumpStart software (preinstall boot image) on a system, so you can power-on the system and have it automatically
       install the Solaris software (perform a JumpStart installation on the system). When you turn on a re-preinstalled system, the system  looks
       for  the  JumpStart software on the system's default boot disk. All new SPARC systems have the JumpStart software already preinstalled. The
       XX in Solaris_XX is the version number of the Solaris release being used.

       You can use the re-preinstall command in several ways. The most common way is to run re-preinstall on a system  to  install  the  JumpStart
       software  on  its own default boot disk. This is useful if you want to restore a system to its original factory conditions.  (See the first
       procedure described in EXAMPLES.)

       You can also run re-preinstall on a system to install JumpStart software on any attached disk (non-boot disk). After you install the  Jump-
       Start  software	on  a disk, you can move the disk to a different system and perform a JumpStart installation on the different system. (See
       the second procedure described in EXAMPLES.)

       re-preinstall creates a standard file system on the specified target-slice (usually slice 0), and re-preinstall makes sure there is  enough
       space on the target-slice for the JumpStart software. If sufficient space is not available, re-preinstall fails with the following message:

       re-preinstall: target-slice too small xx Megabytes required

       You can use the format(1M) command to create sufficient space on the target-slice for the JumpStart software.

OPTIONS

       The following options are supported:

       -k platform_name        Platform name of the system that will use the disk with the JumpStart software. The default is the platform name of
			       the system running re-preinstall. (Use the uname(1) command (-i option) to determine a system's platform name.)

       -m Solaris_boot_dir     Absolute path to the Solaris_XX/Tools/Boot subdirectory of a mounted Solaris CD or a Solaris CD copied to disk that
			       re-preinstall  uses  to	install  the JumpStart software. The default is root (/), which is where the Solaris CD is
			       mounted in single-user mode.

OPERANDS

       The following operands are supported:

       target-slice    Device name of the disk slice where the JumpStart software will be installed (usually slice 0), for example, c0t3d0s0.

EXAMPLES

       Example 1: Installing the JumpStart Software on a System's Own Default Boot Disk

       The following procedure installs the JumpStart software on a system's own default boot disk:

       1.  From the ok prompt, boot the system from the Solaris media CD or DVD in single-user mode:

	   ok boot cdrom -s

       2.  The following command installs the Jumpstart software on the System default boot disk, c0t0d0s0 on a Solaris 9 system:

	   example# /usr/sbin/install.d/re-preinstall c0t0d0s1

       3.  Reboot the slice:

	   example# reboot disk:b

       Example 2: Installing the JumpStart Software on a System's Attached (non-boot) Disk

       The following procedure installs the JumpStart software on a system's attached (non-boot) disk:

       1.  Mount the Solaris CD or DVD if vold(1M) is not running or CD or DVD is not mounted.

       2.  Use the format(1M) command to determine the target-slice where JumpStart will be installed.

       3.  Use the uname(1) command (-i option) to determine the platform name of the system that will use the re-preinstalled disk

       4.  Run re-preinstall with the -m Solaris_boot_dir option if the Solaris CD or DVD is not mounted on /cdrom.

	   The following command installs the JumpStart software on the system's attached disk for a system with a Sun4u kernel architecture,  and
	   it uses the Solaris CD or DVD mounted with vold(1M) on a Solaris 9 system:

	    example#  /cdrom/cdrom/s1/usr/bin/install.d/re-preinstall  -m
		      /cdrom/cdrom/s1 -k sun4u c0t2d0s0

EXIT STATUS

       The following exit values are returned:

       0	Successful completion.

       1	An error has occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcdrom    (Solaris   CD,  |
       |			     |SPARC Platform Edition)	   |
       +-----------------------------+-----------------------------+

SEE ALSO

       uname(1), eeprom(1M), format(1M), mount(1M), vold(1M), attributes(5)

       Solaris 10 Installation Guide: Basic Installations

SunOS 5.10							    9 Apr 2002							 re-preinstall(1M)