Progress Fathom Replication
User’s Guide
Considerations
With a good backup plan in place, you must identify the following before running Fathom Replication:
- The database you will replicate — You should choose a database that your users expect to have constant access to.
- System resources — You should have enough resources to implement AI processing on the source database. When you turn on AI, the transaction logs generated could consume significant disk space.
- The machine the source database will reside on — You should choose reliable hardware for your source database so that machine downtime does not interfere with Fathom Replication and user access to the database. The machine you choose should have enough CPU and memory to support the addition of Fathom Replication.
- The machine the target database will reside on — Typically, the target database is on a different machine than the source database. A failure of the source machine will not prevent users from using the target.
- The logical structure of the source and target databases — If they are not identical, you will need to modify your source copy of the structure file on your target machine.
- Reliable TCP/IP communications between the source and target database — This is a key element in keeping your source and target databases up to date. Without reliable communications between the Fathom Replication server and the Fathom Replication agent, Fathom Replication must spend time in failure recovery, which will cause interrupted user access to your databases.
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