HP 124708-001 - ProLiant Cluster - 1850 Sorun Giderme Kılavuzu - Sayfa 2

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Why Should I Troubleshoot Every Memory Problem?

Accurate diagnosis of system memory problems in ProLiant servers has many advantages, including:

•

Prevents unnecessary hardware replacement.

Prevents the return of parts that test NFF (No Fault Found).

•

Prevents server downtime.

•

Best Practice

: Many product issues that result in hardware replacement are preventable or

correctable with a firmware update. HP strongly recommends checking for a firmware update before

sending a part back to HP for replacement. Based on the HP ProLiant product return rates, a

significant percentage of all returned hardware products were functioning properly and only needed

a firmware update. Although not all products fall into this category, server downtime and time spent

removing, returning, and ultimately replacing hardware may have been avoided if an attempt had

been made to flash the firmware during the troubleshooting process.

How can I tell if a Memory Problem has Occurred?

There are many indicators that a problem has occurred within the memory subsystem. HP has several tools

used to identify the status of hardware and software within a system. Using these tools is a good first step in

the troubleshooting process. When a system memory problem is suspected, check one or all of these

common places to find information:

HP System Management Homepage (SMH)

•

HP Systems Insight Manager (HP SIM)

•

Server Logs

•

DIMM Slot LEDs

•

IMPORTANT:

When a memory error is detected, the firmware illuminates the fault LEDs located near each DIMM

slot on the system board.

If the system identifies an error to a specific slot, that LED illuminates. However, if the system can only

identify an error within a bank, but cannot isolate a specific DIMM, all the LEDs in the bank will

illuminate.

In addition, if the system cannot identify the bank in which the error has occurred, all the LEDs in all