RE: 5.4.5 to 7.1 upgrade questions using IMGCLG ?

All good points, but I will take a different angle in support of image catalogs.......

With image catalogs there is no need for any on-site support during the upgrade so you can do the upgrade from wherever remote access is available. (Home office)

I hate working in the DC with all the noise, no place to actually sit, and potential risk of bumping something just being in there. Not to mention, typically large companies restrict DC access is so much that you must go through all kinds of bureaucratic cycles just to go in and swap some DVDs for an OS upgrade.....image catalogs are a no-brainer for me!

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Bradford Lovelady

Operating Systems Engineer
Technology Infrastructure Services

Wells Fargo Bank l 200 Wildwood Pkwy l Birmingham, AL 35209
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Tel 205-938-1999 l Cell 205-826-2834

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-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of DrFranken
Sent: Wednesday, February 27, 2013 7:51 AM
To: Midrange Systems Technical Discussion
Subject: Re: 5.4.5 to 7.1 upgrade questions using IMGCLG ?

"It Depends" (as usual!)

If you have sufficient Arms (NOT GB!) then Image catalogs will be very much faster plus you don't have to feed disks to the machine.

If you have few arms, physical media will win because the reading and the writing is from/to the same overloaded arms.

So how many is "enough"? I generally say 8 Arms is good to go with Image catalog. 4 arms is not enough. In between there it could go either way.

- Larry "DrFranken" Bolhuis

www.frankeni.com
www.iDevCloud.com
www.iInTheCloud.com

On 2/27/2013 8:33 AM, Jack Kingsley wrote:

*This message was transferred with a trial version of CommuniGate(r)
Pro* Is there any big difference in installation time using catalogs 'vs'
physical media.

On Tue, Feb 26, 2013 at 5:04 PM, Eric Lehti <elehti@xxxxxxxxxxxxxxxxxx>wrote:

Jack, I used image catalogs in our recent upgrade to V7R1 from V5R4M5.

From your question I assume you are aware of these tasks to perform:

- Download and run the IBM Pre-upgrade Verification tool for i5/OS

https://www14.software.ibm.com/webapp/iwm/web/reg/download.do?source=
ipv
t&S_PKG=dl3&lang=en_US&cp=UTF-8

- Upgrading or replacing software using automatic installation:
http://publib.boulder.ibm.com/infocenter/iseries/v7r1m0/index.jsp?top
ic=
%2Frzahc%2Fautoins.htm

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