IBM System x3455 Installation Manual

Also see for x3455 - System - 7984: Specifications User guide

Contents

Hard disk drive problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See the parts listing in the Problem Determination and Service Guide to determine which components arecustomer replaceable units (CRU) and which components are field replaceable units (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.Symptom ActionNot all drives are recognized bythe hard disk drive diagnostictest.1. Reseat the hard disk drive signal cable at both ends; then, run the hard diskdrive diagnostic test again.2. Remove the drive that is indicated by the diagnostic tests; then, run the harddisk drive diagnostic test again. If the remaining drives are recognized, replacethe drive that you removed with a new one.The server stops respondingduring the hard disk drivediagnostic test.1. Reseat the hard disk drive signal cable at both ends; then, run the hard diskdrive diagnostic test again.2. Remove the hard disk drive that was being tested when the server stoppedresponding, and run the diagnostic test again. If the hard disk drive diagnostictest runs successfully, replace the drive that you removed with a new one.A hard disk drive was notdetected while the operatingsystem was being started.Reseat all hard disk drives and cables; then, run the hard disk drive diagnostictests again.A hard disk drive that you areinstalling does not fit correctly inthe cage.Make sure that the type of drive is correct for this server (see “Parts listing” in theProblem Determination and Service Guide).Intermittent problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See the parts listing in the Problem Determination and Service Guide to determine which components arecustomer replaceable units (CRU) and which components are field replaceable units (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.Symptom ActionA problem occurs onlyoccasionally and is difficult todiagnose.1. Make sure that:v All cables and cords are connected securely to the rear of the server andattached devices.v There is adequate cooling airflow. Reduced airflow due to a failed fan or aninternal or external obstruction can cause the server to overheat and shutdown.2. Check the BMC log (see “Error logs” in the Problem Determination and ServiceGuide).Chapter 6. Solving problems 59