This README file contains the latest information about installing IBM 
FAStT Storage Manager version 8.41 for AIX.
Refer to the IBM Support Web Site or CD for the installation and support guide. 

Last Update:  12/18/2003

Note: 
  The IBM TotalStorage™ FAStT Storage Manager version 8.41 for AIX 
  software package is required for managing FAStT storage servers that
  are connecting to the FAStT EXP100 drive expansion enclosures. The
  controller firmware and NVSRAM files that are part of this release are 
  required to be loaded in the FAStT storage server enabling it to 
  recognize the FAStT EXP100 drive expansion enclosures. 
   
  The FAStT storage server controller firmware and NVSRAM files 
  that are part of the IBM TotalStorage™ FAStT Storage Manager version 
  8.41 for AIX release should not be loaded into the FAStT 
  storage server connecting to FAStT EXP700 and EXP500 drive expansion
  enclosures. Please use the FAStT storage server controller firmware
  and NVSRAM files that were part of the IBM TotalStorage™ FAStT Storage
  Manager version 8.4 for AIX or the IBM TotalStorage™ FAStT 
  Storage Manager version 8.3x for AIX software releases instead.

=======================================================================

CONTENTS
--------
1.0   Overview
2.0   Change History
3.0   Usage Notes - AIX Platforms
4.0   WEB Sites and Support Phone Number
5.0   Trademarks and Notices
6.0   Disclaimer

=======================================================================

1.0 Overview
------------

1.1 Overview
------------

This IBM Storage Manager release includes the IBM FAStT Storage Manager version 8.41 
for AIX. In addition, it includes the controller firmware version 05.41.xx.xx and the
latest NVSRAM files for IBM machine types 1722 and 1742-900, for use with the FAStT 
EXP100 SATA disk drive enclosure.

AIX host attachment to the 1722 (FAStT600) and the 1742-90U/90X (FAStT900) requires 
the additional purchase of an IBM FAStT900/FAStT600 Host Kit Option. The IBM AIX Host
Kit options contain the required IBM licensing to attach an AIX Host System to the FAStT900
or FAStT600. Please contact your IBM service representative or IBM resellers for 
purchasing information. 

The AIX CD-ROM directory contains the documentation and files necessary for installing 
the IBM FAStT Storage Manager Version 8.41. The "IBM FAStT Storage Manager Version 8.4x
for AIX and UNIX environments Installation and Support Guide" is also available on IBM's 
Support Web Site as a downloadable Portable Document Format (PDF) file.

Also, please read the FAStT EXP100 Storage Expansion Unit Release Notes before using
Storage Manager version 8.41.


1.2 Limitations
(not AIX limitations, but FAStT/Storage Manager limitations)
-----------------------------------------------------------

1. Storage Manager prompts you for a password if all hard disk drives 
   are removed from the storage subsystem.

   After removing all drives from a storage subsystem (or not powering on 
   drives and only the  controller), the IBM FAStT Storage Manager 
   software will prompt you for a password when trying to start the 
   software or trying to perform protected operations. Any password 
   entered will fail.

   Password information is stored on a reserved area of each hard disk 
   drive on the storage subsystem.  Each drive stores a mirrored copy of 
   the password data.  When there are no drives in the storage 
   subsystem, the storage management software does not find the password 
   data when you attempt password protected operations. Add one drive to 
   the storage subsystem and retry the operation.

2. Auto LUN/Array Transfer is not supported.
   If a controller fails over arrays to the alternate controller and the 
   failed controller is replaced and brought back online, the arrays do 
   not automatically transfer to the preferred controller.  This must be 
   done manually by redistributing arrays.
                
3. If the controller in the IBM FAStT Storage Server with firmware 
   05.4x.xx.xx is connected to a SAN with more than 256 host connections
   per controller port, that can log into the controllers, one must 
   either use the switch zoning function or rearrange the SAN 
   connections so that only the maximum number of host connections can
   be seen and log into the controller.

4. If you define a large number of arrays, you may not be able to 
   right-click a logical drive and get a pop-up menu in the Physical 
   View of the Subsystem management window. The workaround is to use
   the Logical Drive pull-down menu to select the logical drive 
   options. 

5. Dynamically changing the cache read ahead multiplier setting via 
   the storage manager client may  result in an error message 
   indicating the operation has failed. Despite the error message, 
   the request to change the cache read ahead multiplier will remain 
   queued to the controllers and will eventually complete when I/O 
   activity to the storage subsystem has subsided. In order to avoid 
   the error message and any delays in the cache read ahead multiplier
   value changing, it is recommended to change the cache read ahead 
   multiplier when the subsystem is in a quiesced state.

6. No IOs are allowed during the duration that the EXP100 ESMs are being
   updated with new firmware, including lustering reservation checking
   IOs. 
    
7. The FAStT strorage server when configured with the FAStT EXP100 
   SATA Drive Expansion Unit is currently reporting a higher frequency 
   of informational events such as Destination Driver Events (DDEs) 
   and FibreChannel link up/down events ... in the FAStT Controller event
   log compared to the FAStT strorage server configured with Fibre Channel 
   drives. Slower response times of SATA disk drives compared to Fibre 
   Channel disk drives cause higher I/O retries from the FAStT storage server 
   controllers, resulting in a greater number of informational events logged.
   In addition, the number of information events reported in the FAStT 
   strorage server event log will also grow in proportion to the increase 
   in I/Os to the Logical Drives. In all cases, the FAStT storage server 
   controller will always successfully service the timeout I/O on the 
   subsequent retries. 


1.3 Enhancements
----------------

* Minor edits and updates					(12/16/03)

* Initial release for base pSeries/AIX support on AIX 		(11/21/03)
  v5.1.0, and v5.2.0


1.4 Fixes
----------------
            
1.5 Prerequisites
-----------------

The following pSeries & RS/6000 Hardware Platforms are supported for
attachment to the FAStT600 and FAStT900 with FAStT Storage Manager 8.41:

Machine Type			Model#		pSeries Name
------------------------------------------------------------
	7013 			S70
	7013 			S7A
	7015 			S70
	7015 			S7A
	7017 			S70
	7017 			S7A
	7017 			S80
	7017 			S85		pSeries 680
	7025 			6F0 		pSeries 620 
	7025 			6F1		pSeries 620
	7025 			F50
	7025 			F80
	7026			6H0		pSeries 660
	7026			6H1		pSeries 660
	7026			6M1		pSeries 660
	7026			H50
	7026			H70
	7026			H80
	7026			B80		pSeries 640
	7026			M80
	7028			6C4		pSeries 630
	7028			6E4		pSeries 630
	7028 			6C1		pSeries 610
	7028 			6E1		pSeries 610
	7029			6C3		pSeries 615
	7029			6C4		pSeries 615
	7038			6M2		pSeries 650
	7039			651		pSeries 655
	7043			270
	7040			671		pSeries 670
	7040			681		pSeries 690
	7044			170
	7044			270
	9076			PCI Nodes:
				FC 2050 332 Mhz SMP Thin Node
				FC 2051 332 Mhz SMP Wide Node
				FC 2052 POWER3 SMP Thin Node
				FC 2053 POWER3 SMP Wide Node
				FC 2054 POWER3 SMP HIGH Node
				FC 2055 SP Expansion I/O Unit
				FC 2056 375 Mhz POWER3 SMP Thin Node
				FC 2057 375 Mhz POWER3 SMP Wide Node
				FC 2058 375 Mhz POWER3 SMP High Node


Platform: pSeries/AIX
Recommended OS Levels: AIX 5.1, or 5.2
Multipath Driver: IBM AIX RDAC Driver (fcp.disk.array) and FC Protocol DD PTFs. 

	AIX 5.2, Maintenance Level 2 (APAR IY48488), and the following AIX fileset versions:
		devices.fcp.disk.array 5.2.0.17 (PTF U495446, APAR IY51803)
		devices.pci.df1000f7 5.2.0.15 (PTF U495397, APAR IY48386) - *use this version only*

	AIX 5.1, Maintenance Level 5 (APAR IY48486) and the following AIX fileset versions:
		devices.fcp.disk.array 5.1.0.58 (PTF U495840, APAR IY51802)
		devices.pci.df1000f7 5.1.0.57 (PTF U495842, APAR IY49747) - *use this version only*


   * AIX PTF/APARs can be downloaded from:  http://techsupport.services.ibm.com/server/aix.fdc


Host Bus Adapter(s): IBM Feature Code 6227, 6228, or 6239

   HBA Firmware Levels:
	FC 6227 - 3.30X1
	FC 6228 - 3.91A1
	FC 6239 - 1.00X5

   * pSeries and RS/6000 adapter code can be downloaded from:
	http://techsupport.services.ibm.com/server/mdownload2/download.html

1.6 Dependencies
----------------
IBM FAStT Storage Manager version 8.41 requires IBM machine type 3542 or 3552 
storage controllers that have at least firmware version 05.30.XX.XX.

=======================================================================

2.0 Change History
------------------

This is the latest release of IBM FAStT Storage Manager version 8.41 for AIX.

2.1 Key Features of IBM FAStT Storage Manager version 8.41
----------------------------------------------------------

N/A
        
2.2 Code levels at time of release are as follows
-------------------------------------------------

1. Firmware versions:
Appware and Snapware versions:
   a. For machine type 1722:  Snapware 05.41.10.00
   b. For machine type 1742-900:  Appware 05.41.10.00

2. NVSRAM versions:
   a. For machine type 1722: N1722F600R840V01
   b. For machine type 1742-900: N1742F900R841V02

3. Client versions:
	SMruntime: SMruntime.aix-08.40.65.00
	SMclient:  SMclient-AIX-08.41.G5.01
  
Refer to the http://www.storage.ibm.com/hardsoft/disk/fastt/index.html
IBM web page for the latest information on supported switches and released code levels.

=======================================================================
              
3.0 Usage Notes and restrictions - AIX Platforms
---------------------------------------------------
* It is important to set the queue depth to a correct size for AIX hosts. 
  Having too large of a queue depth can result in lost filesystems and host panics.
  Please refer to the IBM FAStT Storage Manager Version 8.4x for UNIX and AIX 
  Environments Installation and Support Guide for details.

* Disabling Cache mirroring while the write-cache is permitted, but not recommended for most environments and
  applications.  Loss of data could occur in the event of a controller failure (data in cache, but not written to
  disk).  Refer to the Installation and Support Guide for further information.

* To manage and configure the FAStT, the SM client, which uses the Java interface resident on the AIX host,
  must be used with a LAN attachment between the FAStT and the AIX platform (Out of Band management). 
  Any host attached to the LAN with the SM client could also accomplish the management tasks.
  If In Band management (via the FC interface) is needed, this must be used on a separate host platform that
  supports the In-band agent software.

* SCSI-3 Persistent Reservation is not supported on AIX with FAStT Storage Systems.  This feature will be available in
  a future release of the AIX RDAC Driver (fcp.disk.array).

* Each AIX host (server) can support 1 or 2 FAStT Partitions (or Host Groups), each with a maximum of 256 Logical Drives.

* For most applications, AIX host attaches to FAStT storage servers using pairs of Fibre Channel adapters (HBA).
	For each adapter pair, one HBA must be configured to connect to controller "A" and the other to controller "B".

	Each HBA pair must be configured to connect to a single partition in a FAStT storage server or multiple
	FAStT Storage servers (fanout).

	To attach an AIX host to a single or multiple FAStT with two partitions, 2 HBA pairs must be used.

* SAN Switch Zoning Rules:
	Each HBA within a host must be configured in a separate zone from other HBAs within that same host, 
	when connected to the same FAStT controller port.  In other words, only 1 HBA within a host can be configured
	in the same zone with given FAStT controller port.

* For most Direct-attach applications, the connections of FAStT storage arrays on AIX should be configured with
  two HBAs for complete path availability.  As such, dual-path configurations are restricted to the following:

	FAStT600	- one or two server configurations only (2 or 4 HBAs)
			  Each HBA pair must be connected to both A & B host-side controller ports.

	FAStT900 	- one or two server configurations only (2 or 4 HBAs)
			  Each HBA pair must be connected to both A & B controllers.
			  Only 1 connection on each host-side mini-hub can be used.

* Single HBA configurations are allowed, but each single HBA configuration requires that both controllers in the
  FAStT be connected to the host.

	In a switch environment, both controllers must be connected to the switch within the same SAN zone as the HBA.

	In a direct-attach configurations, both controllers must be "daisy-chained" together.  This can only be done
	on FAStT900.

* Multiple host attachment to a host-side mini-hub is not supported.

* Storage Partitions and the Default Host Group
  FAStT offers a premium feature called "Storage Partitioning" which enables users to associate a set of logical 
  drives on a FAStT Storage Server that can only be accessed by specified hosts and host ports.  This association
  of logical drives to a set of hosts and host ports is called a Storage Partition.  The benefit of defining Storage
  Partitions is to allow controlled access to the logical drives on the FAStT Storage Server to only those hosts also
  defined in the Storage Partition.

  Without the use of Storage Partitioning, all logical drives appear within what is called the Default Host Group,
  and they can be accessed by any fibre channel initiator that has access to the FAStT host port.  When homogeneous
  host servers are directly attached to the FAStT Storage server, access to all logical drives may be satisfactory,
  or when attached to a SAN, zoning within the fabric can be used to limit access to the FAStT host ports to specific
  set of hosts. 

  The FAStT600 base product (without the Turbo feature) provides the Default Host Group.  Premium features are available
  to support four, eight, or sixteen Storage Partitions.  If logical drive access control is required for your
  configuration, particularly in a SAN or multiple server environments, then it is recommended that you add the option
  for Storage Partitions.  On other FAStT Storage Servers which include a minimum number of Storage Partitions,
  Storage Partitioning must be used when configuring logical drives and hosts.

* Dynamic Volume Expansion (DVE) is only supported on AIX 5.2.

* Booting from a FAStT device with Storage Manager v8.41 and EXP100 is not supported.

* Interoperability with tape devices is supported on separate HBA and switch zones.

* Interoperability with IBM 2105 and SDD Software is supported on separate HBA and switch zones.

* Online Appware/Snapware and NVSRAM firmware upgrades are not supported on AIX hosts and Storage 
  Manager v8.41 with EXP100 drawers. I/O must be quiesced prior to performing the upgrade.

* FAStT Copy Services, such as FlashCopy, VolumeCopy, and Remote Volume Mirroring are not supported 
  at this time with Storage Manager version 8.41 and EXP100 drawers.

* AIX version 4.3.3 and earlier are not supported with Storage Manager version 8.41 and EXP100 drawers.

* AIX Clustering (HACMP, PSSP, GPFS) is not supported at this time with Storage Manager version 8.41 
  and EXP100 drawers.


3.1 Helpful Hints
-------------------------------
1. The IBM FAStT Storage Manager will prompt you for a password if 
   an attempt is made to manage a storage subsystem where the FAStT RAID 
   Controller Unit does not have access to any hard disk drives.  This 
   will occur even if no password has been setup.  The automatic 
   discovery will discover each storage subsystem as two separate 
   storage subsystems.  To prevent this from occurring, ensure that at 
   least one FAStT Drive Enclosure (EXP500 or EXP700) with at least one 
   drive is properly attached to each of the FAStT500 or FAStT700 RAID 
   storage subsystems that are being managed.

   Since the RAID controller unit should not be powered on until the 
   expansion units are attached and powered on, this should be done by 
   powering off the RAID controller unit, properly attaching all 
   expansion units (with drives installed), to the RAID controller unit 
   and powering them on, and then powering the RAID controller unit back 
   on.  At this point the storage subsystems can be rediscovered and 
   managed using the IBM FAStT Storage Manager 8.3x software.

2. If you are unable to see the maximum number of drives during 
   Automatic Configuration, you should be able to use Manual 
   Configuration to select individual drives and select the maximum 
   number of drives allowed.

3.2 Configuration settings
------------------------------

1. By default the IBM FAStT Storage Manager 8.3x firmware does not 
   automatically map logical drives. This means that the logical drives 
   are not automatically presented to host systems.

   For a new installation, after creating new arrays and logical drives; 
   a. If your host type is not Windows NT, create a partition with your 
      host type and map the logical drives to this partition. 
   b. If your host type is Windows NT, you can map your logical drives 
      to the "Default Host Group" or create a partition with a NT host
      type.   
                                 
   When upgrading from previous versions of IBM FAStT Storage Manager
   to version 8.3x. 
   a. If you are upgrading with no defined storage partitions in 
      operating system other than Windows NT, you will need to create
      a storage partition with the appropriate operating system host
      type and map the logical drives from the "Default Host Group" 
      to this partition.
   b. If you are upgrading with defined storage partitions and an 
      operating system other than Windows NT is accessing the default
      host group, you will need to change the default host type to
      this operating system host type after upgrading. The FAStT 
      Storage Manager upgrading will reset the default host type to
      Windows NT host type. 
              
   Refer to the IBM FAStT Storage Manager online help to learn
   more about creating storage partitions and changing host types.


=======================================================================

4.0 WEB Sites and Support Phone Number
--------------------------------------

4.1 IBM TotalStorage™ Disk Storage Systems Technical Support web
    site:
    http://www.ibm.com/storage/support/fastt 

4.2 IBM TotalStorage Web Site:
    http://www.storage.ibm.com

4.3 If you have any questions about this update, or problem 
    applying the update go to the following Help Center World
    Telephone Numbers URL:
    http://www.ibm.com/planetwide

=======================================================================


5.0 Trademarks and Notices
--------------------------

5.1 The following terms are trademarks of the IBM Corporation
    in the United States or other countries or both:

    IBM

    the e-business logo

    xSeries

    HelpCenter
    
    AIX

    Microsoft, Windows, and Windows NT are trademarks of Microsoft
    Corporation in the United States, other countries, or both.
                
    Java and all Java-based trademarks and logos are trademarks or 
    registered trademarks of Sun Microsystems, Inc. in the United
    states, other countries, or both.

    UNIX is a registered trademark of The Open Group in the United 
    States and other countries.

    Other company, product, and service names may be 
    trademarks or service marks of others.

=======================================================================

6.0 Disclaimer
--------------

6.1 THIS DOCUMENT IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. 
    IBM DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS OR IMPLIED, INCLUDING 
    WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF FITNESS FOR A 
    PARTICULAR PURPOSE AND MERCHANTABILITY WITH RESPECT TO THE 
    INFORMATION IN THIS DOCUMENT. BY FURNISHING THIS DOCUMENT, IBM 
    GRANTS NO LICENSES TO ANY PATENTS OR COPYRIGHTS.


6.2 Note to U.S. Government Users -- Documentation related to 
    restricted rights -- Use, duplication or disclosure is subject to 
    restrictions set forth in GSA ADP Schedule Contract with IBM 
    Corporation.


