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April 4th, 2007 05:00

Incr. Replication

We are bringing our SAP servers offline and replicating it to a new server to be later used as production server. This would be around 700 GB of data.

After three days, we would need to apply the changes made during these three days. What we have planned is to again bring the SAP server offline and do incremental replication.

Would this be a good strategy though it is for one time use only?

Would the final data I get be consistent enough to be reliable or you suggest any other means of replicating the incremental data?

157 Posts

April 4th, 2007 07:00

The real question is why do you take the SAP system offline at all as Replistor can replicate open files and apply changes as they happen insuring the data consistency at the same time. Initial replication should be rarely needed.

2K Posts

April 4th, 2007 09:00

Our data is around 700 GB and the server is quite an old config. We are not too sure if running online replication with SAP online would work smoothly & allow SAP also to work smoothly especially the first replication..

We had a bad experience with one Lotus online replication when it started creating many $ files.

But if it is offline now, we replicate it to new server. Back online & use for a couple of day. Bring offline and replicate again, would the data be still consistent.

151 Posts

April 12th, 2007 07:00

Only RepliStor 5.x had limitations on using open DB's and performing Sync's.

RepliStor 6.x ahndles open DB's with no issues. This is a proven solution with Exchange, SQL, and Oracle. One thing to keep in mind is that ReplIStor has never been qualified with SAP DB's.

OC$ fiels are only created whent he Kernel Cache becomse full b/c it is tracking the real-time I/O occurring on the Spec. If you see exponential growth, is it consistent with the DB changes also occurring?
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