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RE: High-availability database question !!!!

From: Loughmiller, Greg <Greg.Loughmiller_at_cingular.com>
Date: Wed, 25 Jun 2003 05:55:26 -0700
Message-ID: <F001.005B908E.20030625044421@fatcity.com>

Check into the HP "metro cluster". RAC would provide the multiple Node environment; but one would think that a continuous availability scenario would indicate the need for the database to be "redundant" on another system. The HP Metro Cluster may be able to address the database(disk) redundancy.† And depending on the application, volume of data and transaction rate - the 2 way replication gig may be a possible solution. Not necessarily the desired solution; but a possible solution.

In addition to the 24x7 that you mention; is there any activity around the other components of the environment for example, load balancing? The web servers? Application servers?†† One can create a 7x24 environment; but will a service degradation be acceptable?

Just some thoughts........

Greg

-----Original Message-----
From: Jose Ruivo [mailto:[EMAIL PROTECTED]] Sent: Wednesday, June 25, 2003 7:09 AM
To: Multiple recipients of list ORACLE-L Subject: RE: High-availability database question !!!!

Hi,

When you say maintenance does it includes Oracle patches application?

If not, consider Oracle 9i RAC with Dataguard.

Josť Ruivo

-----Original Message-----
Sent: quarta-feira, 25 de Junho de 2003 11:00 To: Multiple recipients of list ORACLE-L

Goodday all

We have cutomer who is having a database which should be available 24x7.
Now we can't get even a maintenance time to do the database. We tried on several occasion but nothing happens. Now they want us to provide them with a solution to be able to work on "another database" if we need to do maintenance. Could you guys come up with some ideas what we can offer them. Is there any other alternatives besides replication and standby database. Currently the system is running as a package in a cluster environment, HP-UX, so when we go replication route possibilities are that we might have to forget about high-availabilty cluster environment due to things like disk space and memory for switching over during failure. Neither do the standby database a good option in a situation where you'll needing a longer downtime.

Please help.

Thanx,

Junior DBA

On Tue, 24 Jun 2003 08:19:18 -0800† ([EMAIL PROTECTED]) wrote:

>Hi there,
>
>I got a question on log. If my program crashes, can I check some log
to see what
>recent transaction is? It will give me a big help on trouble
shooting.
>
>Thanks,
>Jin
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Received on Wed Jun 25 2003 - 07:55:26 CDT

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