Why are you having such long downtime for PTF's and whatnot in your iTera
setup?

We are using Mimix. Once a quarter we do PTF's and whatnot on the
'backup' lpar and no one notices. Then, that weekend we do a switch from
primary to backup. It takes more time quiescing the applications than to
do the actual switch. About an hour to an hour and a half in all. We run
on the 'backup' for the weekend. Then we switch back on Sunday night.

Heck, even my bank (and it's no local yokel) publishes system outages in
advance.


Rob Berendt

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