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IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning
book

IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning

by Cathy Warrick, Craig Gordon, Benoit Granier, Keitaro Imai, Rosemary McCutchen, Brannen Proctor, Jim Sedgwick, Paulus Usong, Mary Ann Vandermark, John Wickes
December 2005
Intermediate to advanced content levelIntermediate to advanced
530 pages
18h 34m
English
IBM Redbooks
Content preview from IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning
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, ...
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ISBN: 0738494119Purchase book