IBM HS12 Service Guide - Page 127
Intermittent problems, Keyboard or mouse problems
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v See Chapter 4, "Parts listing, Types 8014, 8028 and 1916," on page 25 to determine which components are CRUs and which components are FRUs. v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Symptom Action Not all storage drives are 1. Remove the storage drive that is indicated by the diagnostic tests. See recognized by the Fixed Disk or Chapter 5, "Removing and replacing blade server components," on page 31. SAS Attached Disk diagnostic test. 2. Run the SAS Fixed Disk or SAS Attached Disk diagnostic test again. See "Diagnostic tools overview" on page 67. 3. If the Fixed drive or SAS Attached Disk diagnostic test runs successfully, replace the storage drive that you removed with a new one. See Chapter 5, "Removing and replacing blade server components," on page 31. The blade server stops responding during the Fixed Disk or SAS Attached Disk diagnostic test. 1. Remove the storage drive that was being tested when the blade server stopped responding. See Chapter 5, "Removing and replacing blade server components," on page 31. 2. Run the SAS Fixed Disk or SAS Attached Disk diagnostic test again. See "Diagnostic tools overview" on page 67. 3. If the Fixed drive or SAS Attached Disk diagnostic test runs successfully, replace the storage drive that you removed with a new one. See Chapter 5, "Removing and replacing blade server components," on page 31. A storage drive passes the Fixed Disk or SAS Attached Disk diagnostics test, but the problem remains. 1. Run the SAS Fixed Disk or SAS Attached Disk diagnostic test again. See "Diagnostic tools overview" on page 67. 2. If the Fixed drive or SAS Attached Disk diagnostic test runs successfully but the storage drive continues to have a problem, replace the drive with a new one. Intermittent problems Use this information to resolve intermittent problems with the blade server. Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 4, "Parts listing, Types 8014, 8028 and 1916," on page 25 to determine which components are CRUs and which components are FRUs. v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. Symptom Action A problem occurs only occasionally and is difficult to diagnose. 1. Make sure that: v When the blade server is turned on, air is flowing from the rear of the BladeCenter unit at the blower grille. If there is no airflow, the blower is not working. This causes the blade server to overheat and shut down. v The SAS storage drives are configured correctly. 2. Check the BMC log (see "Error logs" on page 76). 3. See "Solving undetermined problems" on page 171. Keyboard or mouse problems Use this information to lookup and resolve keyboard or mouse problems. Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. The keyboard and mouse are shared Chapter 6. Diagnostics 115
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