From: Ed Arnold (eraucar.edu)
Date: Sun Sep 24 2006 - 13:25:03 CDT

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On Fri, 22 Sep 2006, Martin Paul wrote:

>
> > Is there a command or program which allows me to update my Solaris OS?
> >
> > I have servers running solaris 8,9 and 10.
>
> Not sure what you mean with update. If you want to upgrade a machine
> from e.g. Solaris 9 to Solaris 10, take a look at the Release and
> Installation Collection on docs.sun.com. It will explain the various
> options (re-install, upgrade, live upgrade).

I've used Live Upgrade to take systems from 7 to 9, but have never
done the 9 to 10 thing. LU seems to (mostly) work, but there was
one gotcha on a machine going from 7 to 9 that required fallback
and consultation with sun support to make it work.

If you're going to use LU on important servers, I strongly
suggest you break your OS disk mirrors and then do the LU on one
side of the mirror so, if something goes wrong, you have a
fallback to production while you figure out what went wrong.

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