EMC CX500I Configuration Guide - Page 68
source. You can do this by using SnapView's rollback feature.
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Data Replication and Data Mobility Software SnapView also allows you to instantly restore a session's point-in-time data back to the source LUN, if the source LUN were to become corrupt or if a session's point-in-time data is desired as the source. You can do this by using SnapView's rollback feature. Figure 4-2 shows an example of how snapshots work. The snapshot is a composite of the source LUN and the reserved LUN in the SP's LUN pool. Production Host Second Host Continuous I/O Storage System Source LUN Reserved LUN Pool Snapshot Figure 4-2 Snapshot Example EMC2764 4-6 EMC CLARiiON CX300, CX500, CX500i, and CX700 Storage Systems Configuration Planning Guide
4-6
EMC CLARiiON CX300, CX500, CX500i, and CX700 Storage Systems Configuration Planning Guide
Data Replication and Data Mobility Software
SnapView also allows you to instantly restore a session’s
point-in-time data back to the source LUN, if the source LUN were to
become corrupt or if a session’s point-in-time data is desired as the
source. You can do this by using SnapView’s rollback feature.
Figure 4-2 shows an example of how snapshots work. The snapshot is
a composite of the source LUN and the reserved LUN in the SP’s
LUN pool
.
Figure 4-2
Snapshot Example
EMC2764
Continuous
I/O
Storage System
Snapshot
Reserved
LUN Pool
Source
LUN
Production
Host
Second
Host