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What is the best configuration for SQL mirror?


What is the best configuration for SQL mirror? Burningcoals
3/25/2005 5:49:02 PM
sql server replication: I was looking into replication, but I didnt want to get into having to
rebuild replication everytime we updated our Database.

I really just need to setup a read only mirror. I was looking into LS (Log
Shipping) and that doesnt seem like it would work that great. Since I need
our mirror able to be accessed with as little latency as possible.

What is the best model to use for a SQL read-only mirror that could be
updated real-time or close to it? I think the only thing I can do this with
is replication, possibly Trans-Rep? Or even backup/Restore, although I am
doing this to offload some builds for performance reasons. So backup/restore
would have a performance hit on the server.

Thanks for any info.

Re: What is the best configuration for SQL mirror? Mike Epprecht (SQL MVP)
3/26/2005 11:08:08 AM
Hi

Replication has a lot of overhead as the data is moved at record level.

Log shipping is the same as backup and restore. During the period the log is
being applied on the destination server, you can not access the DB.

What are you trying to achieve? A Reporting Server, a hot backup?

Regards
--------------------------------
Mike Epprecht, Microsoft SQL Server MVP
Zurich, Switzerland

IM: mike@epprecht.net

MVP Program: http://www.microsoft.com/mvp

Blog: http://www.msmvps.com/epprecht/

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Re: What is the best configuration for SQL mirror? Burningcoals
3/26/2005 2:33:03 PM
Hi Mike,

We are looking to offload some builds to a mirror to lessen the performance
impact on our main database server.

The builds would be able to be run at anytime by the customer, so the
customer would need very up to date data in the mirror.

This is definately looking more like replication only solution. Only problem
is the overhead and maintenance costs associated with replication, also we
update the database with hotfixes and upgrades, that would require us to
rebuild replication everytime we did that.

Do you have any other ideas that might help out in this situation?

Thanks!


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