Shadowimage Duplicated Mirroring - Hitachi VSP F1500 User And Reference Manual

• Pair resynchronization with restore option: Resynchronizes a split pair
based on the secondary volume (reverse resync). The primary volume is
not accessible during resync with restore option.
• Event waiting: Used for waiting for the completion of a volume pair
creation or resynchronization to check the pair status.
• Pair status display and configuration confirmation: Displays the pair
status and configuration of the volume pairs; this can also be used for
checking the completion of a pair creation or pair resynchronization.

ShadowImage duplicated mirroring

Duplicated mirroring of a single primary volume is possible when the
ShadowImage feature is used. Duplicated mirror volumes can be specified up
tp the maximum quantity 3. The duplicated mirror volumes of the P-VOL are
expressed as virtual volumes using the mirror descriptors (MU#0-2) in the
configuration diagram as shown below.
6-6
Figure 6-2 ShadowImage system configuration
Data replication operations with CCI
Command Control Interface User and Reference Guide