[SunRescue] Moving system disk between machines

P.A.Osborne P.A.Osborne at ukc.ac.uk
Wed May 3 11:16:58 CDT 2000

It may be worth being really brave,  by installing the disk
booting 7 off of CD and telling it to do an upgrade but
preserving filesystems....


On Wed, May 03, 2000 at 04:52:47PM +0100, Chris Powell wrote:
> All,
> I have a Solaris 7 system disk in a SPARCstation IPC which I want
> to move to a SPARCstation 10 (hey, I might get usable performance
> now!). I want to do this without re-installing Solaris.
> I initially thought this would be simple as the SunOS 5.7 kernel is
> generic between kernel architectures (sun4c, sun4m etc.). Not so as
> the boot program in /platform is only present for the kernel
> architecture of the machine it installed was originally on (i.e.
> my disc has sun4c present for the IPC, but lacks sun4m for the
> SS10). Easily solved, boot from CD and copy the /platform/sun4m
> stuff from CD to the system disk. Then I realised all the /devices
> entries are wrong! I'm getting errors about keyboard not present
> when booting now - I guess I need to boot from CD again and run
> drvconfig using the -r rootdir option.
> Is there a simple step-by-step way to move systems discs between
> architectures, or even machines? I guess if I move the system disc
> to a different sun4m machine (e.g. a SS5) all the device entries
> will be wrong again - iommu at obio 0xe0000000 on the SS10,
> at obio 0x10000000 on the SS5.
> It actually seems more difficult to do this with SunOS 5.x than it
> was with SunOS 4.x.
> Thanks for any help.
> Chris.
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