HP Surestore E Disk Array XP256 HP XP P9000 External Storage Access Manager Us - Page 70

Troubleshooting, Potential causes of errors, Is there an error messages for every type of failure?

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8 Troubleshooting ESAM is designed to provide you with error messages so that you can quickly and easily identify the cause of the error and take corrective action. Many types of errors you encounter can be resolved by using fairly simple troubleshooting procedures. Potential causes of errors Errors can be caused by power, hardware, or software failures, the use of incompatible or unsupported software, firmware issues, incorrect configuration settings, communication errors, and factors that result in the suspension of volumes. Is there an error messages for every type of failure? Although many types of failures have error messages, some do not. Some failures are indicated by status information, incorrect display of system data, or interruptions in operation. Where do you look for error messages? If you are using RWC, the RWC GUI displays all ESAM error messages and error codes. If you are using RAID Manager, the RAID Manager operation log file contains all ESAM error messages. Related topics For more information about error messages and error codes that are displayed by RWC, see the HP XP P9000 Remote Web Console Messages. Basic types of troubleshooting procedures The troubleshooting procedures you use to resolve issues you encounter depend on whether the error type. The main error types are general errors, suspended volume pairs, and data stored only in cache memory. • "Troubleshooting general errors " (page 70) • "Suspended volume pair troubleshooting " (page 72) • "Recovery of data stored only in cache memory" (page 75) Troubleshooting general errors Most of the errors that occur when using ESAM are general errors. They can occur in different parts of the system and can be caused by power, hardware, or software failures, the use of incompatible or unsupported software, firmware issues, incorrect configuration settings, or communication errors. The only type of error that is not a general error is a suspended volume pair. 70 Troubleshooting

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8 Troubleshooting
ESAM is designed to provide you with error messages so that you can quickly and easily identify
the cause of the error and take corrective action. Many types of errors you encounter can be
resolved by using fairly simple troubleshooting procedures.
Potential causes of errors
Errors can be caused by power, hardware, or software failures, the use of incompatible or
unsupported software, firmware issues, incorrect configuration settings, communication errors, and
factors that result in the suspension of volumes.
Is there an error messages for every type of failure?
Although many types of failures have error messages, some do not. Some failures are indicated
by status information, incorrect display of system data, or interruptions in operation.
Where do you look for error messages?
If you are using RWC, the RWC GUI displays all ESAM error messages and error codes. If you
are using RAID Manager, the RAID Manager operation log file contains all ESAM error messages.
Related topics
For more information about error messages and error codes that are displayed by RWC, see the
HP XP P9000 Remote Web Console Messages
.
Basic types of troubleshooting procedures
The troubleshooting procedures you use to resolve issues you encounter depend on whether the
error type. The main error types are general errors, suspended volume pairs, and data stored only
in cache memory.
•
“Troubleshooting general errors ” (page 70)
•
“Suspended volume pair troubleshooting ” (page 72)
•
“Recovery of data stored only in cache memory” (page 75)
Troubleshooting general errors
Most of the errors that occur when using ESAM are general errors. They can occur in different
parts of the system and can be caused by power, hardware, or software failures, the use of
incompatible or unsupported software, firmware issues, incorrect configuration settings, or
communication errors.
The only type of error that is not a general error is a suspended volume pair.
70
Troubleshooting