Hp XP P9500 Storage User Manual download pdf (Page 59)

5. In the Pairsplit-r dialog box’s S-VOL Write list, select one of the following:

• Enable, to permit hosts to write data to the S-VOL.)

• Disable, (the default) to prevent hosts from writing to the S-VOL

6. From the Range list, select one of the following:

• LU, to split only the selected pairs.

• Mirror, to split all pairs in the same selected pair’s mirror.

If you are splitting some pairs in a mirror but not all, you must select LU for each of these pairs.

Do not select Mirror in this case, otherwise an error occurs.

7. From the Suspend Mode list, select one of the following:

• Flush, to copy all update data to the S-VOL before the split operation is completed.

When the secondary system receives a request for splitting a pair, all update data is

written to the S-VOL from the journal. The status of the pair changes from Suspending to

PSUS.

• Purge, to prevent update data from being copied to the S-VOL before the split operation

is completed. When you re-synchronize, uncopied update data is then copied to the

S-VOL.

8. Click Set.

9. Review your settings in the Preview list in the Journal Operation window.

• To modify a setting, right click and select Modify.

• To cancel a setting, right click and select Cancel.

10. Click Apply to commit the settings to the system.

You can verify the PSUS status when the operation is completed.

Splitting mirrors

A mirror normally has multiple pairs with the same master and restore journals groups. When you

split a mirror, you split all the pairs in the mirror. As with a normal pair split, data copying is

suspended between primary and secondary journals.

Prerequisite information

• A mirror can be split from the primary or secondary system.

• Pair status must be Active.

Procedure 8 To split a mirror

1. In the Remote Web Console main window, select Actions > Remote Copy > Continuous Access

Journal >Journal Operations.

2. Click to change the mode from View to Modify.

3. In the tree, expand Registered then select the LDKC. Journals display in the tree and mirrors

display in the right pane.

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Hp XP P9500 Storage User Manual Page 59