HP StorageWorks XP Remote Web Console Software User Manual

Page 183

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NOTE:

To cancel removal of a journal group, select and right-click the journal group and

then select Cancel.

6.

Select Apply to remove the journal group(s).

Notes:

If an error occurs, the rightmost column of the Preview list displays the error code. To
view detailed information about the error, right-click the error code and then select Error
Detail. An error message appears and gives you detailed information about the error.

If you cannot remove journal groups, follow the instructions in the next section to remove
the journal groups forcibly.

Removing Journal Groups from Extended Consistency Groups

You can remove journal groups from an extended consistency group anytime, regardless of
the status of the journal groups. Also, if you delete all data volumes from a journal group in
an extended consistency group, the journal group will automatically be removed from the
extended consistency group.

Removal of journal groups from an extended consistency group does not stop remote copy
operations, but does affect consistency in data update sequence. In the example in

“Example

1: Remote Copy Operations Among Three Primary Storage Systems and Three Secondary
Storage Systems” (page 183)

below, if you remove the journal group 1 from the secondary

EXCTG, the remote copy operation from the primary storage system 1 to the secondary storage
system 1 will continue. However, consistency in data update sequence will only be maintained
among the primary storage systems 2 and 3 and the secondary storage systems 2 and 3.

Figure 84 Example 1: Remote Copy Operations Among Three Primary Storage Systems and
Three Secondary Storage Systems

Removing Journal Groups from an Extended Consistency Group 183

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