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With all due respect Mister Gibbs, this list is a production system to some
of us ;-)
Norm Dennis
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of David Gibbs
Sent: Wednesday, 18 March 2009 2:18 AM
To: Midrange Systems Technical Discussion
Subject: Re: Maintenance Windows
Dave Boettcher wrote:
What is your practice for maintenance of existing programs?
Is there a set time each week that users know the system will be down for
maintenance?
Or can maintenance be done at any time?
Strictly speaking, I don't work on a 'production system' ... but I have in
the past.
IMO, it depends on the impact and urgency of the change. If the impact is
light and urgency high, I would roll the change out live. If the impact is
high or the urgency low, then the change would be delayed or rolled out in a
managed way.
High impact changes would be anything that the user will immediately notice
or any database change.
A change control system makes rolling out changes of any impact level much
easier <of course/>. Wish I had one back then.
david
(who works for MKS, a change control vendor, in addition to running these
lists)
midrange.com
