IBM TotalStorage DS6000 Series Redbooks page 124
Concepts and architecture
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Also See for TotalStorage DS6000 Series:
- Redbook (578 pages) ,
- Attachment manual (298 pages) ,
- Introduction and planning manual (119 pages)
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Efficient synchronization of the local and remote sites with support for failover and failback
modes, helping to reduce the time that is required to switch back to the local site after a
planned or unplanned outage.
Server write
Figure 6-9 Global Mirror
How Global Mirror works
We explain how Global Mirror works in Figure 6-10 on page 101.
100
DS6000 Series: Concepts and Architecture
2
Write acknowledge
1
A
Write to secondary
(non-synchronously)
Automatic cycle in active session
FlashCopy
(automatically)
B
C
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