Modify data-transfer time threshold
You can modify the threshold for data transfer to complete. If the threshold value is reached, the
transfer is flagged as failing by the system.
Prerequisite information
• Modifying the data-transfer threshold can be performed from the primary storage system or
secondary storage system.
• The setting is made in the RIO MIH field on the DKC Options dialog box (RIO MIH--remote
I/O missing interrupt handler).
To change the data-transfer threshold time
1. In Remote Web Console, select Actions > Remote Copy > Continuous Access Journal > DKC
Operation. The DKC Operation window displays.
2. Click to change the mode from View to Modify.
3. Make sure DKC is selected in the Display box. The tree and full list on the right-side display
information about the paired secondary systems
4. Locate the desired remote system, right-click, and select DKC Operation > Change DKC Option.
The DKC Option dialog box displays.
5. Minimum Paths is disabled in this release. Please continue.
6. Enter a new RIO MIH Time. This is the amount of time the system waits before a data transfer
operation is flagged as failed. The range is from 10 seconds to 100 seconds; 15 seconds is
the default.
7. Click Set when finished.
8. See the Preview list to check the settings that you have made.
• If you want to modify a setting, select and right click the item in the Preview list and then
select Modify.
• If you want to delete a item, select and right click the item in the Preview list and then
select Delete.
9. Click Apply to apply the settings. If an error occurs, right click the item in the Preview list and
select Error Detail.
Delete logical paths
Prerequisite information
• Before deleting logical path(s), make sure that the remaining number of logical paths will be
greater than the minimum number of paths setting. The delete path operation will fail if the
number of remaining paths is equal to or less than the minimum number of paths.
• The primary storage system administrator can delete logical paths between the initiator port
of the primary storage system and the RCU target port of the secondary storage system. The
secondary storage system administrator can delete logical paths between the initiator port of
the secondary storage system and the RCU target port of the primary storage system.
To delete a logical path
1. In Remote Web Console, select Actions > Remote Copy > Continuous Access Journal > DKC
Operation.
2. Click to change the mode from View to Modify.
3. In the Display box, select DKC. The tree and full list display information about remote systems.
Logical path maintenance 89
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