Troubleshooting extended copy times
The following table describes some causes and possible responses in the case of extended copy times.
|
Cause |
Response |
|---|---|
|
A processor with an MP usage rate that exceeds 80% exists within the MP unit to which the P-VOL and S-VOL are allocated. |
Examine the configuration.For information about checking the MP usage rate, see the Performance Guide for Virtual Storage Platform Gx00 and Fx00 Models. |
|
The HOST I/O Performance option is enabled. |
Disable the option. |
|
The S-VOL's HDD or external storage performance is lower than the P-VOL's. |
|
|
The P-VOL's HDD or external storage has an error. |
Check the error and make the necessary correction. |
|
The S-VOL's HDD or external storage has an error. |
Check the error and make the necessary correction. |