HP StorageWorks XP Remote Web Console Software - Manual (Page 134)

8 Troubleshooting XP External Storage
If you have a problem with the XP Command View Advanced Edition Software computer or XP
Command View Advanced Edition Software or Remote Web Console software, see the HP XP
Command View Advanced Edition Software user guide for XP Disk Arrays or the HP XP Remote
Web Console user guide for XP12000/XP10000 Disk Arrays and SVS 200 for troubleshooting
information.
For additional assistance, contact your HP account support representative.
Table 11 (page 134) provides general troubleshooting instructions for XP External Storage operations.
Table 11 General XP External Storage troubleshooting
Corrective action Error
Correct the error and retry the operation. The XP Command View Advanced Edition
Software management station or Remote The reason for the error could be one of the following:
Web Console cannot access the external
LU.
• The Fibre Channel (FC) switch is off or an error occurred in the switch.
•
The FC cables are not properly connected.
•
The configuration of the external array changed, and the external LU was deleted.
•
An error occurred with the external LU in the external array.
•
The path in the external array changed.
• The port attribute of the local array is no longer external.
•
The topology information is not set correctly.
Correct the error and retry the operation. The external LU cannot be mapped as an
internal LDEV of the local array.
The source of the error could be any of the following:
• The number of mapped external LUs exceeds the maximum number (15,360 LUs
for XP12000 or 8,192 LUs for XP10000/SVS200) available for the local array.
•
There are not enough CU:LDEV numbers available for external LU mapping.
The path to the external LU is blocked. 1. The errors listed in the first row of this table (Error: The XP Command View Advanced
Edition Software management station or Remote Web Console cannot access the
external LU) could be the reason for this error. Check the reasons in the first row,
correct the error, and retry the operation. If the error persists, try step 2b.
2. Try the following procedures. If they do not work and the path is not restored,
contact your HP account support representative.
a. Verify that the cable between the local array and external array is connected
properly.
b. If the cable between the local array and external array is connected properly,
disconnect and reconnect it. After 30 seconds, check the path status from XP
Command View Advanced Edition Software or Remote Web Console.
The LDEV's status cannot be determined. This occurs when the LDEV does not exist.
The reason for the error could be: The status appearing in the Ex-Dev. Status
column is Normal, but the status
appearing in the LDEV Status is Unknown.
•
The LDEV was been created when the volume was mapped.
• The LDEV in the external LU was deleted by the Volume Manager function.
If LDEV Status becomes Unknown by any reason other than above, contact you
HP account support representative.
The following rows describe path status values displayed in the Alternate Path list and
corrective actions for each status value. See
Notes on connecting external arrays for
The path status that requires the action
appears in the Alternate Path list on the
notes on connection settings and examples of recovery procedures, and then take the
corrective action. Path Setting window (see Setting alternate
paths for external LUs ).
Status: The path status is unknown. Unknown
134 Troubleshooting XP External Storage