MegaRAID storage manager reports unexpected sense codes - Servers


RETAIN tip: H187719


The MegaRAID Storage Manager (MSM) event log may report the following event during heavy I/O environments or drive migrations:

Controller 0: Unexpected Sense: PD = 3:3 CDB = (hexidecimal codes) Sense = (hex codes)
Affected configurations

The system may be any of the following IBM servers:

  • System x3550, Type 7978, any model
  • System x3650, Type 7979, any model
  • System x3655, Type 7985, any model
  • System x3755, Type 8877, any model

The system is configured with one or more of the following IBM Options:

  • MegaRAID 8480 RAID Adapter, Option 39R8850

The system is configured with at least one of the following:

  • Microsoft Windows 2003 Server, any service pack
  • Microsoft Windows 2003 Server for 64 Bit Itanium Servers, any service pack
  • Microsoft Windows 2003 Server, EE x64, any service pack
  • Microsoft Windows 2003 Server, x64 Edition, any service pack
  • Red Hat Enterprise Linux 4, any update
  • SuSE Linux SLES 9 for AMD64/EM64T, any Service Pack

Note: This does not imply that the network operating system will work under all combinations of hardware and software.

Please see the compatibility page for more information:

The problem is corrected in the next release of the MegaRAID 8480 CD version 1.03.00-0225 or higher. The firmware update can be downloaded from the following URL:

This event can be safely ignored.

Additional information

The event is informational only and no action need be taken.

Applicable countries and regions


Document id:  MIGR-66292
Last modified:  2013-03-12
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