6 troubleshooting, Troubleshooting auto lun – HP XP Racks User Manual
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6 Troubleshooting
This topic gives troubleshooting information on Auto LUN.
Troubleshooting Auto LUN
An error message appears on the Remote Web Console web client when error conditions occur
during Auto LUN operations.
If you need to contact HP Technical Support, make sure to provide as much information about the
problem as possible, including the error codes. For information on other error codes displayed on
the Remote Web Console web client, see the XP7 Remote Web Console Messages.
Taking a long time to the volume migration completion may be caused by a bottleneck. To prevent
the occurrence of the bottleneck, do the following actions.
Table 18 Causes of bottleneck and actions for countermeasure
Action
Cause
Disable the Host I/O Performance option of Business Copy.
1
The Host I/O Performance option of Business
Copy is enabled.
Disable the Host I/O Performance option of Business Copy Z.
2
The Host I/O Performance option of Business
Copy Z is enabled.
Review the configuration.
Performance of the data drive or the external
storage of the target volume is lower than one
of the source volume.
Review the configuration.
The MP blade to which the source volume and
the target volume are allocated includes a
processor of which the MP usage rate exceeds
80 %.
3
Remove the error in the data drive or the external storage of the target
volume.
An error occurs in the data drive or the external
storage of the target volume.
Remove the error in the data drive or the external storage of the source
volume.
An error occurs in the data drive or the external
storage of the source volume.
Notes:
1.
For information about the procedure of disabling the host I/O performance option of Business Copy, see HP XP7
Business Copy User Guide.
2.
For information about the procedure of disabling the host I/O performance option of Business Copy Z, see HP XP7
Business Copy for Mainframe Systems User Guide.
3.
For information about how to check the MP usage rate, see HP XP7 Performance for Open and Mainframe Systems
User Guide.
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Troubleshooting