From: Nick Pettefar (Nick@Pettefar.com)
Date: Thu Dec 02 2004 - 17:33:19 EST
Hi fellow Sun people,
Thanks for all the sad but sound advice. The answer is NO it seems!
Ah well, I will just have to do a new initial install.
A typical reply is below, after my initial post.
Cheers,
Nick
Nick@Pettefar.com DoD 1069 MAG 73516 Bros 650 ZZR1100D R90s Z88s
Forwarded message from Casper Dik
Date: Thu, 02 Dec 2004 16:33:55 +0100
Subject: Re: Solaris Downgrade Upgrade
To: Nick@Pettefar.com
>I have an E450 which I have installed Solaris 10 on but now I have a problem.
>
>Unfortunately I need QFS on this machine and it is not available for Solaris
>10 and so I now need to put Solaris 9 back on it again...
>
>Would it be OK for me to "upgrade" the machine with Solaris 9 ie do an upgrade
>install?
No.
The upgrade has specific knowledge about which files to remove and modify
and how to modify them; upgrade accrues this information release after
release; so S9 has no idea about what came after it so it can't undo
S10 (such as remove S10 specific packages and files)
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