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Full Discussion: Move root disk to new identical hardware
Operating Systems Solaris Move root disk to new identical hardware Post 303040914 by hicksd8 on Saturday 9th of November 2019 04:59:56 AM
Old 11-09-2019
You don't say which version of Solaris this is. Please post your OS version.

Firstly, whilst it's up and running, and before you do anything with the existing system, make sure you know the hostid exactly!! If you move the root disk(s) and cannot get the original hostid, to set it you'll need to inject the required value into the kernel module. If you don't know what hostid you need at that time you are screwed.

Also, blatantly obvious thing to say I know is, you need to ensure that you are also moving the metadb (which is usually on a very small disk partition) otherwise SVM won't work on the new machine. If metadb is on a non-root disk then you'll have to move that too.

If the root disk is SVM mirrored then I guess you mean to move a pair of disks??

There's likely no EPROM on this hardware to allow you to move the NIC address, etc, and the hostid is hashed from the NIC address on SPARC hardware. So it's quite likely IMHO that you will need to forcibly change the hostid on the new box. The code to do that I posted on this forum a long time ago so you can search for it. REMEMBER THOUGH, that the code is different for SPARC vs X86 and both are published on here. Make sure you use the right method.

If you've been professional and have a full backup I don't see any harm in giving it a try.

(If you cannot find the relevant hostid discussion on this forum drop me (hicksd8) or moderator gull04 a PM and prompt one of us to post back on this thread. We know how to do this.)
Last edited by hicksd8; 11-09-2019 at 06:38 AM..
 

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LEARN ABOUT HPUX

vxbootsetup

vxbootsetup(1M) 														   vxbootsetup(1M)

NAME

       vxbootsetup - set up system boot information on a Veritas Volume Manager disk

SYNOPSIS

       /etc/vx/bin/vxbootsetup [-g diskgroup] [medianame ... ]

DESCRIPTION

       The  vxbootsetup utility configures physical disks so that they can be used to boot the system. Before vxbootsetup is called to configure a
       disk, the required volumes, standvol, rootvol and swapvol (and optionally, dumpvol) must be created on the disk.  All of these volumes must
       be contiguous with only one subdisk.

       The -g option may be used to specify the boot disk group.

       If  no  medianame arguments are specified, all disks that contain usable mirrors of the root, swap, /usr and /var volumes are configured to
       be bootable.

       If medianame arguments are given, only the disks that are associated with the specified disk names are configured to be bootable.

       vxbootsetup requires that:

       o    The root volume must be named rootvol and must have a usage type of root.

       o    The swap volume must be named swapvol and must have a usage type of swap.

       o    The volumes containing /usr and /var (if any) must be named usr and var, respectively.

       See the chapter "Recovery from Boot Disk Failure" in the Veritas Volume Manager Troubleshooting Guide for detailed information on  how  the
       system boots and how VxVM impacts the system boot process.  The vxmirror, vxrootmir, and vxresize utilities call vxbootsetup automatically.
       If you use vxassist, or vxmake and vxplex to create mirrors of the root volume on a disk, you must run vxbootsetup explicitly to  make  the
       disk bootable.

ARGUMENTS

       medianame
	    Specifies the disk name (disk media name) of a VM disk that is to be configured as bootable.

SEE ALSO

       disksetup(1M),  edvtoc(1M),  vxassist(1M),  vxevac(1M),	vxinstall(1M),	vxintro(1M),  vxmake(1M),  vxmirror(1M), vxplex(1M), vxresize(1M),
       vxrootmir(1M)

       Veritas Volume Manager Troubleshooting Guide

VxVM 5.0.31.1							    24 Mar 2008 						   vxbootsetup(1M)
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