Problem determination tips
Because of the variety of hardware and software combinations that you can encounter, use the following
information to assist you in problem determination. If possible, have this information available when you
request assistance from Lenovo.
v
Machine type and model
v
Microprocessor and hard disk drive upgrades
v
Failure symptoms
– Does the server fail the diagnostic programs? If so, what are the error codes?
– What occurs? When? Where?
– Does the failure occur on a single server or on multiple servers?
– Is the failure repeatable?
– Has this configuration ever worked?
– What changes, if any, were made before the configuration failed?
– Is this the original reported failure?
v
Diagnostic program type and version level
v
Hardware configuration (print screen of the system summary)
v
Server firmware level
v
Operating-system type and version level
You can solve some problems by comparing the configuration and software setups between working and
nonworking servers. When you compare servers to each other for diagnostic purposes, consider them
identical only if all the following factors are exactly the same in all the servers:
v
Machine type and model
v
Server firmware level
v
Adapters and attachments, in the same locations
v
Address jumpers, terminators, and cabling
v
Software versions and levels
v
Memory amount, type and configuration
v
Diagnostic program type and version level
v
Configuration option settings
v
Operating-system control-file setup
Chapter 4. Diagnostics
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