
Chapter 14. Copy Services for the DS6000 467
If possible then plan to do your bulk additions of new Global Copy volumes into existing
sessions during off-peak periods.
14.5.7 Global Mirror performance recommendations
The main parameters that you can set that will influence the performance of Global Mirror are
Maximum Coordination Time
Maximum Drain Time
Consistency Group Interval
Maximum Coordination Time
This is the maximum time that Global Mirror will allow while trying to reach a consistent set of
data for this Consistency Group, before failing this attempt. It then retries the attempt. The
default for the maximum coordination time is 50ms, ...