Hitachi TrueCopy for IBM z/OS User and Reference Guide (T5211-96001, June 2007)

6-26 Performing TrueCopy for z/OS Pair Operations
Hitachi Universal Storage Platform V TrueCopy for IBM z/OS User’s Guide
Note: If you select a pair from the volume list and change the settings, and if
you use a drop-down list to set blank to a parameter, the parameter takes the
default value for each pair. If you select the settings from the preview list
before applying the changed settings, and if you use a drop-down list to set
blank to a parameter in the Resume Pair dialog box, the parameter value in
the preview list will not be changed.
To resynchronize one or more suspended TrueCopy for z/OS pairs:
1. Determine if any data on the R-VOL has changed while the pair has been
suspended. If so, do not resynchronize the pair. You must release the pair
from the MCU and then restart the pair using the Entire initial copy mode
option to resynchronize the M-VOL and R-VOL.
2. If any pair was suspended due to an error condition (use the Detailed
Information dialog box to view the suspend type), make sure that the error
condition has been removed. The MCU will not resynchronize the pair(s) until
the error condition has been removed.
3. Connect to the MCU of the pair(s) to be resynchronized, open the TrueCopy
for z/OS Pair Operation window.
4. In the tree, select the CU or the upper CU grouping, which contains the
pair(s) to be resynchronized. Use the Display Filter as needed to display the
desired pairs (e.g., select Async and Suspend status only).
5. In the list, select the M-VOL(s) of the pair(s) to be resynchronized. Select
either Sync or Async pairs (not both). If you want to use the Group Resume
Range option (async only), select only one pair in the group.
6. Right-click, and click Resume Pair to open the Resume Pair dialog box (refer
to
Figure 6-6).
7. On the Resume Pair dialog box, select the desired resynchronize options, and
click Set to close the dialog box. The preview list displays the requested
resynchronize pair operation(s).
Note: If you want to resynchronize all suspended pairs in a consistency
group, select the Group Resume Range option.
8. Verify the requested operation(s) in the preview list. Make sure that the
resynchronize options for each pair are correct.
To change one or more operations, select the operation(s) from the
preview list, right-click, and click Modify. To remove one or more
operations, select the operation(s) from the preview list, right-click, and
click Delete. To cancel all operations, select all the operations in the
preview list, right-click, and click the Delete command, or click the Cancel
button.
Note: If you selected the Group Resume Range option, time-saving mode
is not available.
9. To start the operation(s), click Apply.