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sql server clustering : Upgrade to Cluster


David Fusfeld
8/9/2005 1:05:08 PM
Hello all..
We have a Win2000 Advanced server running SQL 2000 Standard. In order to
convert this to a clustered setup, is it possible to do an in-place upgrade
of SQL? What should my steps be to make this a clustered config?

Thanks,
David Fusfeld

Geoff N. Hiten
8/9/2005 1:32:38 PM
Possible, yes. Advisable, no.

Generally, you want a certified cluster solution which is hard to do with an
existing server + a new server + new storage. Clusters expect the hardware
to match exactly. Also, you don't really have a good fallback if the system
goes south during the conversion. If you build a new system, you have an
opportunity to test it out prior to going live. You can run stress tests
and log the performacne metrics to see just how much the system can do. I
have never had much success with in-place upgrades, the sole exception being
replacing cluster nodes with newer ones by adding new members and removing
old ones.

--
Geoff N. Hiten
Senior Database Administrator
Microsoft SQL Server MVP

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David Fusfeld
8/9/2005 1:38:45 PM
I should have added, the hardware I have for the cluster already matches the
existing server, and the existing server is currently using a SAN device. I
would just have to do an OS and SQL load on the new server, and the SQL
upgrade on the existing server.
Dave


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Geoff N. Hiten
8/9/2005 2:57:01 PM
Look in BOL under the topic "failover clustering" for "default instance to
default clustered instance". Setup does the heavy lifting for you in this
case. I prefer building a new cluster from scratch, but we don't always
have that luxury. If you want to upgrade to a clustered named instance, you
load a new clustered named instance and copy the databases.

--
Geoff N. Hiten
Senior Database Administrator
Microsoft SQL Server MVP

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Med Bouchenafa
8/10/2005 12:00:00 AM
To use a clustered SQL Server instance, you need Enterprise edition of SQL
Server.
I would say save your databases, set up your cluster and restore your
databases.
Depends on how much logins you have, you may need to save also your logins
and restore them manually or through a DTS package

Hope this help



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