RE: High Availability

["Laurin Bruck" <lbruck@xxxxxxxxxxxxxxxxxxxxx>]

WE have and are currently going through this whole process.  We have two 740 
12way located in different spots in California using LPAR and MIMIX to a 
secondary partition on the same machine and then back to a backup partition on 
the secondary machine.  Please feel free to contact me off-line for all of the 
particulars.

Laurin Bruck
Technical Infrastructure
pmi Mortgage Insurance
415-291-5329
415-393-6412(fax)

>>> koziol@chaney.net 2:37:14 PM 1/29/01 >>>
I've professionally evaluated Vison Solution, Lakeview Technologies and
DataMirror.  My choice is DataMirror...  and is based on Easu of use,
functionality performance and internals design.

Ed

-----Original Message-----
From: DanDaFourOOMan [mailto:danda400man@yahoo.com] 
Sent: Monday, January 29, 2001 4:05 PM
To: MIDRANGE-L@midrange.com 
Subject: High Availability


I am needing to consider high availability options for our new
AS/400s, which I am responsible for configuring.  A recent
thread discussed RAID vs. mirroring.  Another thread mentioned a
product named Mimix, which I've seen advertised.

The new AS/400s are replacing old ones and we have one in each
of our five plants spread across the U.S., one in Mexico, and
one in England.  Needless to say, I need to be able to manage
these systems and diagnose and solve problems from our corporate
office.  Management appears to be opening the wallet to ensure
HA.  Some critical considerations: Unplanned outages of 8 or
more hours would hurt us.  Greater than 24 hours and I'll be
passing out resumes.

Where can I go to read up on the issues I need to consider for
HA?

Any advice on which way to go on RAID vs. mirroring?

Any other advice?

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