7 troubleshooting, Business copy z troubleshooting, Operation and display troubleshooting – HP XP P9500 Storage User Manual

Page 56: Troubleshooting pinned tracks, Troubleshooting extended copy times

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7 Troubleshooting

This topic provides BC Z troubleshooting information.

Business Copy Z Troubleshooting

This section provides instructions for troubleshooting in BC Z.

Operation and display troubleshooting

The following table provides operation and display troubleshooting information for BC Z pairs.

Corrective action

Error

RWC hangs, or BC Z operations do not
function properly.

Make sure all BC Z requirements and restrictions are met.

Make sure the storage system is powered on and fully functional.

Check all input values and parameters to make sure that you entered
the correct information in the BC Z windows (such as P-VOL and S-VOL
IDs).

Make sure the correct volumes are selected.

The volume pairs are not showing
correctly.

Click Tasks in the Storage Systems tree and select the failed task to check
the message.

A BC Z error message is displayed In the
RWC during an operation.

If you are using the previous RWC GUI, which is shown in a secondary
window, complete the following:

1.

Select the failed volume in the Preview list in the Pair Operation window.

2.

Right-click to show the menu.

3.

Click Error Detail.

For the list of error codes and corrective actions, see HP XP P9000 Remote
Web Console Messages
.

Troubleshooting pinned tracks

If a pinned track occurs on a BC Z P-VOL or S-VOL, the storage system suspends the pair. Contact
your HP representative for assistance in recovering pinned tracks.

Troubleshooting extended copy times

The following table describes the causes for bottlenecks that result in long copy time.

Response

Cause

Reexamine the configuration. For information about
checking the MP usage rate, see the HP XP P9000
Performance for Open and Mainframe Systems User Guide
.

A processor whose MP usage rate exceeds 80% exists
within the processor blade to which the P-VOL and S-VOL
are allocated.

Disable the option. For more information about disabling,
see

“System options that affect performance” (page 35)

.

The Host I/O Performance option is enabled.

Make sure the configuration of the S-VOL’s HDD or external
storage is the same as the P-VOL’s.

The S-VOL’s HDD or external storage performance is lower
than the P-VOL’s.

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.

The P-VOL’s HDD or external storage has an error.

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Troubleshooting

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