Intermittent Problems - Lenovo BladeCenter HX5 7873 Problem Determination And Service Manual

IBM continually updates the support website with tips and techniques that you can use to resolve any
problems that you might be having with the BladeCenter HX5 blade server. Go to the BladeCenter support
search website at http://www.ibm.com to see if any service bulletins have been generated. In the Search
field, enter the following terms: 7872, retain tip, and hard disk drive.
Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See "Parts listing - BladeCenter HX5" on page 57 to determine which components are CRUs and which
components are FRUs.
• If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Symptom
Not all storage drives are
recognized by the Fixed Disk
or SAS Attached Disk
diagnostic test.
The blade server stops
responding during the Fixed
Disk or SAS Attached Disk
diagnostic test.
A storage drive passes the
Fixed Disk or SAS Attached
Disk diagnostics test, but the
problem remains.

Intermittent problems

Use this information to resolve intermittent problems with the blade server.
IBM continually updates the support website with tips and techniques that you can use to resolve any
problems that you might be having with the BladeCenter HX5 blade server. Go to the BladeCenter support
search website at http://www.ibm.com to see if any service bulletins have been generated. In the Search
field, enter the following terms: 7872, retain tip, and intermittent.
Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
Action
1. Remove the storage drive that is indicated by DSA. See Chapter 4 "Removing
and replacing blade server components" on page 65.
2. Run the SAS Fixed Disk or SAS Attached Disk diagnostic test again. See
"Diagnostic tools overview" on page 146.
3. If the Fixed disk or SAS Attached Disk diagnostic test runs successfully,
replace the storage drive that you removed with a new one. See Chapter 4
"Removing and replacing blade server components" on page 65.
1. Remove the storage drive that was being tested when the blade server stopped
responding. See Chapter 4 "Removing and replacing blade server components"
on page 65.
2. Run the SAS Fixed Disk or SAS Attached Disk diagnostic test again (see
"Diagnostic tools overview" on page 146).
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 4
"Removing and replacing blade server components" on page 65.
1. Run the SAS Fixed Disk or SAS Attached Disk diagnostic test again. See
"Diagnostic tools overview" on page 146.
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.
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Chapter 5 Diagnostics