I found better success just upgrading the server without the zones (save
backup copy of them), then re-creating the zones from scratch on the
update 4 system. I think its cleaner and quicker than trying to patch a
u1-u3 system to allow LU with zones. Once at u4, going forward you will
be set up well for doing LU with zones.

UNIX Administrator, BAE Systems Land & Armaments
desk 763-572-6684  mobile 612-419-9362

-----Original Message-----
[mailto:[EMAIL PROTECTED] On Behalf Of Enda
Sent: Friday, December 14, 2007 9:12 AM
To: Stefano Pini
Cc: zones-discuss@opensolaris.org
Subject: Re: [zones-discuss] Solaris 10 Release upgrade

Stefano Pini wrote:
> Hi Enda and guys,
> do you know if there are best practices to upgrade solaris release 
> (for example U1 to U4) with sparse and full zones installed?
> Is it supported or it's possible only with full zones?
> Yesterday I'd tried with sparse zones but the installer failed because

> there are read only fs during zone upgrade (obviously are
> Thx a lot,
> Stefano
> *Stefano Pini*: Senior Technical Specialist at SUN Microsystems Spa 
> <http://www.sun.com>
> Viale Fulvio Testi 327 Milano 20162 Italy
> contact | [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> - 
> +39-02641-52150
it should work, ( but only if upgrading to 8/07 ( u4 ) as this is where 
zone upgrade via LU has been introduced.
to use live upgrade unfortunately there are a lot of patches that are 
required to be installed

especially the s10 section particular for systems that have non-global 

Also please install latest patch utils patch ( 119254/119255 sparc/x86 )

This list contains the 8/07 ( update 4 ) kernel patch 120011/120012.

Make sure to run patchadd -a <patchid> first, -a does a dryrun ( noes 
not install any software ), and in the case of zones will catch certain 
types of errors that must be fixed prior to actually installing the

This list contains among others the 11/06 KU 118833-36 as well, so 
installing this list of patches is unfortunately time consuming in the 
case of a system with zones.
Also if installing in Single USer Mode make sure that filesystem/local 
has been enabled,
If not run" /sbin/mountall -l", to ensure that the zonepath's are all 
mounted, I usually drop from Multu User Mode to Single USer Mode as 
opposed to boot to Single User Mode, just to avoid this one.

If you have already followed the doc, then pleasae let us know the error

that you encountered

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