I've had success with vcs on solaris working around these types of issues.

Axton Grams

On Fri, Jan 16, 2009 at 9:57 PM, John <john.sundb...@kineticdata.com> wrote:

> **
> Back when I was managing a Remedy system - we had this issue and lots of
> others.
> (all were solvable)
>
> The best thing we did was "switch systems monthly" -- meaning every month
> we would switch the "prod box" -- from boxa to boxb.
>
> Eventually we had it down quite well. It uncovered lots of things that we
> would have never figured out - unless it was real.
>
>
> The #1 hardest thing to solve was this:
>
> (Updating DNS records -- and the built in caches that all the clients had).
>
> Meaning -- we would migrate from boxa to boxb -- which was something like
> 192.168.1.50 -- to 192.168.2.20
>
> All the clients knew the machine as boxz -- and the DNS would alias that to
> boxa -- and then clients would have boxz IP address as 192.168.1.50.
>
> When we would switch from boxa to boxb -- we could update the DNS quickly
> -- but the clients all held the old address for (an hour ????) -- I don't
> remember (12 years ago now).
>
>
> At the time -- you did not have the option of saying this IP address was
> not cacheable (or had a small cache) -- so we had to create a new DNS domain
> and register boxa,boxb,boxz all in the new domain. Then that domain would
> have something like a 15 second cache window.
>
> (blah blah blah)
>
>
> Anyways -- that is the type of thing you have a hard time predicting. (And
> many other issues too)
>
>
> If I was actually adminning (made that word up) -- I would feel much more
> comfortable if I switched every once in awhile.
>
>
>
>
> -John
>
> --
> John David Sundberg
> 235 East 6th Street, Suite 400B
> St. Paul, MN 55101
> (651) 556-0930-work
> (651) 247-6766-cell
> (651) 695-8577-fax
> john.sundb...@kineticdata.com
>
> On Jan 14, 2009, at 3:17 PM, Pierson, Shawn wrote:
>
> **The questions about upgrading to ARS 7.1 lately have gotten me thinking
> about something.
>
> For our disaster recovery solution, we have a failover server sitting in
> another city, with a different server name, etc.  We use log shipping in SQL
> Server 2005 to keep the two databases synchronized.  In the event of an
> emergency, we have the DBAs mark the normal production database as read
> only, and we open up the disaster recover database, and we proceed from
> there.
>
> Since ARS 7.1 stores the license keys in the database, how would I prevent
> this from being overwritten?  How would I keep my DR copies of the licenses
> on the server if the database is overwritten constantly?  Or is this not an
> issue in 7.1 since it sounds like you can temporarily create licenses on the
> fly anyway?
>
> Thanks,
>
> *Shawn Pierson*
> Remedy Developer | Southern Union
> 5444 Westheimer Rd. Houston, TX 77056 | 713.989.7226
>
>
>
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