Yep - i've had several instances where I had to run thru a stack of PTF CDs
a second (or third time) - it can add an hour or two very easily. With the
catalogs that sort of thing is very much minimized.
rob@xxxxxxxxx
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Every bullet on Chad's email is important. Especially in a shop where
downtimes drag on and are completed by multiple people. And there's
always that person who "Continues" when the CD is not done flashing and
the whole process tanks.
Rob Berendt
--
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com
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Re: burning v5r4 cumulative ptfs to cd
Some benefits of using catalogs for upgrades/PTFs on only one box would
be:
-All your CD swapping/loading time is done in advance rather than during
downtime (some downtime savings on the upgrade)
-You are reading thru the entire CD by copying it to the IFS in advance
(and thus will probably find any drastic media errors in advance of an
upgrade)
-Not having to physically handle 10+ upgrade CDs and probably 10+ more
cume/group CDs is MUCH less hassle during an upgrade!
-If you've ever had to go back through a set of cume/group CDs because an
error occurred at the end of the process, the reloading process from
catalogs goes much quicker than from CD
-With a HMC and image catalogs it is possible to complete an upgrade
without physically being next to the machine the whole time and
'babysitting' the process
I wasn't sold on the catalogs until actually trying them after taking a
Common session this year... I will continue to use them and was pretty
impressed with the whole setup. It also seems more and more that IBM
service is pushing the image method of delivery. I can see wanting to
have
a hardcopy of the CDs around for later also, though... I cleaned up the
images pretty quickly after our upgrades. For most modern boxes with 8
drives or so, a full set of i5/OS upgrade media, cume, and other groups
doesn't take up too much space that it's a concern during an upgrade.
Scott Klement
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Hi Jerry,
Others are probably going to suggest this, but here goes. I just
created an image catalogue and downloaded them straight into the IFS (a
mapped drive in Windows).
Sorry if this is a dumb question, but... do image catalogs make sense
if you have only one machine to install to? I see people discuss them
frequently on this and other forums, but I really don't understand the
point. Why waste gigabytes of disk space on CD images when you can just
load the PTFs directly from the CD?
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