Re: Anyone in the group running Vision Solutions Mimix 8.1 for HA/DR ?

Remember you can use PowerHA with whole partition replication on SAN to
avoid the iASP if you want. It just takes a bit longer to do the cutover
(planned or not).

Jim Oberholtzer
CEO/Chief Technical Architect
Agile Technology Architects

On Tue, Apr 17, 2018 at 9:49 PM, Musselman, Paul <
pmusselman@xxxxxxxxxxxxxxxx> wrote:

We considered iASPs when we went to v7000s several years ago, however, the
programming effort to make sure everything was 'independent' was considered
too much for the time we had available.

We cross our fingers and bring up the system in an interrupted state.
Our applications don't use commitment control, so we don't have to deal
with large amounts of work being rolled back. We accept the risk that
there will be damaged objects and partial transactions.

So far, our testing has been relatively issue-free. Murphy is probably
waiting for a real catastrophe!

Paul E Musselman
PaulMmn@xxxxxxxxxxxxx

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Evan Harris
Sent: Tuesday, April 17, 2018 6:42 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Re: Anyone in the group running Vision Solutions Mimix 8.1 for
HA/DR ?

Hi Paul

I see you use storage replication to provide a DR capability. Did you go
the whole hog and implement IASP's or do you just replicate the storage and
then start the system up in an interrupted state ?

On Wed, Apr 18, 2018 at 10:23 AM, Musselman, Paul <
pmusselman@xxxxxxxxxxxxxxxx> wrote:

Paul--

Currently, we have a duplicate system at a hot site. We have V9000
storage at both locations, and use Metro Mirror (or whatever it's called)
to replicate the V9000 to the other location. It just quietly sits there
swallowing all of the data we send it. We can flash copy the hot site
system and wake up a copy just to prove we can do it. This has replaced
our annual trips to a hot site in Philadelphia, loading everything we own
into a strange system. If we had to do that now, we'd just take our 2
daily option/21 tapes and find a vacant computer.

Paul E Musselman
PaulMmn@xxxxxxxxxxxxx

--

Regards
Evan Harris
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