The following table lists conditions that can cause extended copy times and provides corrective action.
|
Condition |
Corrective action |
|---|---|
|
The average MP usage rate of an MP unit to which the P-VOL and S-VOL are allocated exceeds 80%. |
Examine the configuration. For details about checking the MP usage rate, see the Export Tool 2 User Guide. |
|
The Host I/O Performance local replica option is enabled. |
Disable the local replica option. For details, see Local replica options for ShadowImage operations. |
|
(VSP One Block 85) The Compatible Multiplicity Mode option for ShadowImage for Mainframe is enabled. |
Review the configuration and then disable the option. For details, see Local replica options for ShadowImage operations. |
|
(VSP One Block 85) The Compatible Multiplicity Mode option for ShadowImage is enabled. |
Review the configuration and then disable the option. For details, see Local replica options for ShadowImage operations. |
|
The drive or external storage performance of the S-VOL is lower than that of the P-VOL. |
Make the configuration of the S-VOL drive or external storage the same as the P-VOL. |
|
The drive or external storage of the P-VOL has an error. |
Review the error, and take the necessary corrective action. |
|
The drive or external storage of the S-VOL has an error. |
Review the error, and take the necessary corrective action. |
| The applicable copy multiplexing local replica option is disabled. |
Enable the local replica option. For details, see Local replica options for ShadowImage operations. |