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Tune the solution using replication windows and housekeeping windows
The objective of this section is to allow the solution architect to design for predictable behavior and performance.
Predictable configurations may not always give the fastest time to complete but in the long run they will prevent
unexpected performance degradation due to unexpected overlaps of activities.
In order to show the considerations that need to be taken into account the diagrams below show the stages of
“tuning” required at each source site and target sites over time.
1. No changes to existing backup policies – all backups start at the same pre-defined time.
2. Re-schedule backup policies to help reduce the housekeeping overhead.
3. Set replication windows.
4. Set the housekeeping window on the sources.
5. Tune target device to handle replication from sources, housekeeping associated with replication and
local backups, again making using of replication windows and housekeeping windows.