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Chapter 3 Replication Management
52
(iv) Copy Mode
You can specify the copy control state in Replicate Execution and the Synchronous state at the
same time as Replicate. The following copy modes can be specified.
Radio Button Description
Synchronous
Changes the copy control state to the foreground copy
(Synchronous) mode.
Semi-synchronous
Changes the copy control state to the foreground copy
(Semi-synchronous) mode. This can be specified for pairs
in different disk arrays.
Background Copy
Changes the copy control state to the Background Copy
state.
(v) RV Status
Specifies the access restrictions from the host until Replicate is complete.
Radio Button Description
Not Ready Operations for the volume cannot be performed from the host.
Read Only For the volume, only read can be performed from the host.
* Care should be taken to specify Read Only. Refer to 2.6 “RV Access Restriction”.
When you click the [Execute] button, the following message is displayed.
Figure 3-14 Confirmation Screen
[Execution Conditions]
To perform Replicate, the following conditions must be satisfied.
(i) The target MV is recognized by Replication Management as the Replication target disk.
(ii) The target MV and RV are paired.
(iii) The activity state of the target pair is Separate.
(iv) The Semi-synchronous Copy mode cannot be specified for pairs set in the same disk array.
The Semi-synchronous Copy mode can be specified only for pairs set in different disk arrays.
(v) The pair of the specified MV and the paired RV pair are not in the Restore state.