Quoting Bob Friesenhahn <bfriesen@...
> Nobody said that they wanted to continue running an old Solaris.
Well, John Taylor just did :-)
> Many applications can not afford more than a few minutes of downtime
> and so Live Upgrade was used to allow upgrading the system while it
> remained on-line and then a few minutes to boot to the new version.
Are you being serious here? Have you actually luupgraded a production
system between *major* versions, as opposed to simply use it to patch?
Even luupgrade between minor versions sucks those days if you are not
extra-careful. Heck, even patching has issues, you need to check all
SMF services every just in case one was not mysteriously disabled
(last time for me, it was dns/client).
Even right now, the S8 to S10 upgrade path, which is supported, is a
bumpy one. Nobody in his right mind would attempt it, it would
probably create more downtime than a fresh install, and even if it
worked, which I doubt, there would be a ton of issues down the road.
> Solaris 11 will apparently require purchasing redundant hardware so
> that it is possible to migrate from Solaris 10 to Solaris 11.
Yes, it will. Because very soon now, the supported hardware will not
be the same.
I think you either lack experience in upgrading Solaris, or yours has
been an incredibly smooth one which gives you unrealistic
expectations. Obviously, you never did S9 DCA to S10 GRUB.