Dell SAS 5 Device Driver for

	RHEL 4 Update 5       (x86 & x86_64)
        SLES 9 Service Pack 4 (x86_64)

Driver Version : 04.00.38.02


TABLE OF CONTENTS
=================

1  Introduction
2  Compatibility / Minimum Requirements
3  Install Instructions
   3.1  The package.
   3.2  Adding / Updating the SAS Driver to an Existing system.
4  Fixes or Enhancements in this Release
5  Important Information
   5.1  Power state transition
   5.2  DKMS AUTOINSTALL
6  Known issues


1 Introduction
==============

This is the driver for following controllers:
 
    SAS 5 Adapters

2 Compatibility / Minimum Requirements
======================================

Minimum operating system levels supported by this release:

       RHEL 4 Update 5
       SLES 9 Service Pack 4

Minimum SAS 5 FW package version: 00.10.51.00.06.12.04.00


3 Installation Instructions
===========================

3.1 The package
---------------

The package is a compressed tar file.

To extract the components within the tar file un-tar the files: 
	> tar -xvzf <driver_package>
	
The package should contain the following files:
 - dkms rpm (dkms-<version>.rpm)
 - driver rpm (mptlinux-<version>.rpm)
 - release notes (*.txt)
 - source code (mptlinux-<version>-src.tgz)


3.2 Adding / Updating the SAS Driver to an Existing Linux system
----------------------------------------------------------------

1  Install the DKMS rpm package if needed. Use this command 
      > rpm -ivh <dkms rpm package name>
   
   NOTE: Use rpm -Uvh <package name> when updating an existing package.
   
2  Install the Driver package. Use this command 
      > rpm -ivh <driver rpm package name>

3  Verify the driver has been loaded with this system command:
      > modinfo mptsas

   and this dkms commands:
      > dkms status

   The version shown in the output should match in both cases and 
   with the version of the package.


4 Fixes or Enhancements in this Release 
=======================================
(from version 3.02.83.12)

- Updated operating system support list to include:
	o SLES 9 SP 4
	o RHEL 4 Update 5
- Packaging Updates
	o Updated DKMS to 2.0.19.1-1
	o Updated prebuild binary list to RHEL4.5 and SLES9 SP3
- Support for RHEL4 diskdump has been added
- Tunable mptsas_device_queue_depth has been added to allow modification of 
  queue depth. The value can set when the mptsas modules is loaded. The current 
  default is 48
- A new command line option mpt_fw_fault_debug, and tunable mpt_fwfault_debug 
  has been added to support stopping the driver when firmware encounters fault

5 Important Information
=======================

5.1 Power state transition
--------------------------
Note that system power state transitions are not validated on Dell
platforms under the Linux Operating Systems. If attempted, the
system might hang and/or panic resulting in data unavailability.

5.2 DKMS AUTOINSTALL
--------------------
DKMS AUTOINSTALL option should always be disabled in the DKMS configuration
file for driver installation.

6 Known issues
==============
Installation problems on SATA I drives: SAS Controller require a minimum of 
SATA II drives.  SATA I drives are not supported.  Use only SAS or SATA II 
drives supported by your Dell system.