Re: PowerHA for System I

I'll take that under advisement.


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





From: "Jim Oberholtzer" <midrangel@xxxxxxxxxxxxxxxxx>
To: "'Midrange Systems Technical Discussion'"
<midrange-l@xxxxxxxxxxxx>
Date: 08/26/2014 10:21 AM
Subject: RE: PowerHA for System I
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx>



Sounds like your user group needs a PowerHA session Rob.

--
Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
rob@xxxxxxxxx
Sent: Tuesday, August 26, 2014 9:18 AM
To: Midrange Systems Technical Discussion
Subject: RE: PowerHA for System I

I'm still trying to figure out how you get by certain operations with
Power
HA.

Isn't Power HA basically some sort of hot disk going between two boxes?
Machine1 to san disk. You want to do disruptive hardware maintenance on
Machine1 you do a Power HA switch to Machine2 and the disk is serviced by
Machine2.

For example, when are putting on delayed PTF's or upgrading from 7.1 to
7.2,
doesn't that affect the disk irregardless of whether you're running on
Machine1 or Machine2?

Or, from a thread earlier today, you want no user interruption when doing
backup so quiescing operations while you get a checkpoint for save while
active is out of the question. With a Mimix solution I can do that from
the
remote system.

Frankly I do much more delayed PTFs, OS upgrades and backups than I do
disruptive hardware upgrades.


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com

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