All the databases that I have worked on or been
responsible for, have been 24x7. Here are some
suggestions:
1. Know the requirements of your environment in
regards to UPTIME. Have it documented. The best
practice that works well is Service Level Agreements,
if there is none in place, implement them. There is a
world of cost differences between systems that can be
down for 2 hours to those which can't be down at all.
2. In high availability databases, a Hardware cluster
configuiration is highly recommended for 2 purposes:
(A) Fast recovery and (B) Software upgrades (both APP
and DB).
3. If you do not have a Test server, buy one!
4. Make sure that everyone (network Admins, DBAs,
System Admins, etc.) has a way to communicate with one
another. I suggest Cell phones as apposed to pagers.
5. Kiss your weekends and Holidays good bye!
If you have any specific questions, please feel free
to contact me at [EMAIL PROTECTED]
Regards,
Satar
Please remember that TRUE muslims do not advocate
violence. Please do not displace your anger upon
innocent muslims in your local area.
--- Tracy Rahmlow <[EMAIL PROTECTED]> wrote:
> We currently have 15+ databases (7.3.4 & 8i using
> IBM AIX and HACMP) that do
> not have a 24x7 restriction. Now, management is
> looking to bring in new
> products that will need to be 24X7. They are
> looking for costs to determine
> the viability of such a decision. I have no 24x7
> experience and am looking for
> ideas or options to consider. [At least initially
> they are stating there can
> be no downtime for maintenance (upgrades/reorgs)]
>
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