Chapter 8 Performing Pair Operations 8-25
Hitachi Universal Replicator for IBM /OS User’s Guide
– Group: All pairs in the same mirror(s) as the selected pair(s) will be
restored.
Note: If the following two conditions are satisfied and you select Apply, a
warning message will be displayed and processing cannot be continued:
– The Preview list contains two or more pairs belonging to the same
mirror.
– The Range column displays Group for at least one of the above pairs.
To be able to continue processing, do either of the following:
– Ensure that the Range column displays Volume for all pairs in the
same mirror.
– In the Preview list, select all but one pair in the same mirror, right
click the selected pairs, and then select Delete.
• Priority: Allows you to specify the desired priority (1-256) (scheduling
order) for the pair-restoring operations.
Note: If Range is Group, you cannot change the Priority option.
• DKC: Indicates the followings about a remote storage system.
– The serial number with the LDKC number.
– The controller ID with the model name.
– The path type.
• Resync Mode: Indicates the processing after recovery of the pairs.
– Normal: Split pair whose status is Suspend will be recovered.
– Delta: Delta resync operation will be performed. For information about
the requirements to perform delta resync operation, see section
Requirements for Performing Delta Resync Operation.
– Return to standby: The status of pairs will be recovered from Hlde to
Hold.
• Error Level: Allows you to specify the range used for splitting a pair when
a failure occurs.
– Group: If a failure occurs with a pair, all pairs in the mirror where the
pair belongs will be split.
– Volume: If a failure occurs with a pair, only the pair will be split.
Note: If Range is Group, you cannot change the Error Level option.
• Set: Applies the settings to the Preview list in the Pair Operation window
(
Figure 4-2).
• Cancel: Discards the settings.
