This README file contains the latest information about installing IBM TotalStorage™ DS4000 Storage Manager version 9.1 for AIX. The AIX host attachment to the 1722 (DS4300), the 1724 (DS4100) and the 1742- 90U/90X (DS4500) requires the additional purchase of an IBM DS4500/DS4300/DS4100 Host Kit Option. The IBM AIX Host Kit options contain the required IBM licensing to attach an AIX Host System to the DS4500, DS4300 or DS4100. Please contact your IBM service representative or IBM resellers for purchasing information. Refer to the IBM TotalStorage™ Support Web Site or CD for the IBM DS4000 Storage Manager version 9 Installation and Support Guides for AIX, HP-UX, Solaris and Linux on POWER. This guide along with the DS4000 Storage Manager program Online Help provide the installation and support information. Last Update: 11/17/2004 Products Supported ---------------------------------------------------------------- | New Model | Old Model | Machine Type | Model | |------------|-----------|--------------|------------------------| | DS4500 | FAStT 900 | 1742 | 90X, 90U | |------------|-----------|--------------|------------------------| | DS4400 | FAStT 700 | 1742 | 1RX, 1RU | |------------|-----------|--------------|------------------------| | DS4300 | FAStT 600 | 1722 | 6LX, 6LU, 60X and 60U | |------------|-----------|--------------|------------------------| | DS4100 | FAStT 100 | 1724 | 100, 1SC | |----------- |-----------|--------------|------------------------| | N/A | FAStT 500 | 3552 | 1RX, 1RU | |------------|-----------|--------------|------------------------| | N/A | FAStT 200 | 3542 | 1RX, 1RU, 2RX and 2RU | ------------ --------------------------------------------------- Note: - The DS4000 Storage Server controller firmware version 05.40.xx.xx and earlier along with its associated NVSRAM files should not be loaded into DS4000 storage servers connected to DS4000 EXP100 drive expansion enclosures. - The DS4300 storage servers require controller firmware version 05.41.5x.xx and its associated NVSRAM file to be installed before it can be attached to the DS4000 EXP100 drive expansion enclosures. - For the DS4300 Turbo, DS4400 and DS4500 storage servers connected to DS4000 EXP100 drive expansion enclosures, the controller firmware version 06.10.xx.xx and its associated NVSRAM file must be used. - For the DS4100 storage servers, the controller firmware version 05.42.xx.xx and its associated NVSRAM file must be used. - For the DS4300 storage servers with Standard or Single Controller option, the controller firmware version 05.34.xx.xx and its associated NVSRAM file must be used. Do not attempt to download the controller firmware version 06.1x.xx.xx into these DS4000 storage server models. ======================================================================= 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 package includes the IBM DS4000 Storage Manager host software version 9.1 for AIX. It is required for managing the following DS4000 storage servers - DS4300 Turbo, DS4400 and DS4500 - with controller firmware version 06.10.xx.xx installed. AIX host attachment to the 1724 (DS4100), 1722 (DS4300) and the 1742- 90U/90X (DS4500) requires the additional purchase of an IBM DS4100/ DS4500/DS4300 Host Kit Option. The IBM AIX Host Kit options contain the required IBM licensing to attach an AIX Host System to the DS4100 or DS4500 or DS4300. Please contact your IBM service representative or IBM resellers for purchasing information. The SM9ClientCode directory contains the files necessary for installing the IBM DS4000 Storage Manager Version 9.1. The IBM DS4000 TotalStorage Manager Version 9 Installation and Support Guide for AIX, HP- UX, Solaris and Linux on POWER is also available on IBM's Support web site as a downloadable Portable Document format (PDF) file. This guide along with the DS4000 Storage Manager program Online Help provide the installation and support information. Also, please read the DS4000 EXP100 Storage Expansion Unit Release Notes before using Storage Manager version 9.1 on DS4000 storage server connecting to EXP100 enclosures. IMPORTANT: This release of IBM DS4000 Storage Manager host software supports all DS4000 Storage Servers with general released firmware versions from 04.01.xx.xx up to 06.10.xx.xx. Refer to the IBM DS4000 Support Web Site for latest DS4000 controller firmware and NVSRAM files for IBM machine types 1722, 1724, 1742, 3542 and 3552. The following table shows the first four digits of the latest controller firmware versions that are currently available free-of- charge for various models of the DS4000 storage servers. --------------------------------------------------- | | Controller firmware version | |------------------|---------------|----------------| | DS4000 | included with | included in the| | Storage Server | purchase | EXP100 purchase| | Model | | | |------------------|---------------|----------------| | DS4500 (1742) | 06.10.xx.xx | 06.10.xx.xx | |------------------|---------------|----------------| | DS4400 (1742) | 06.10.xx.xx | 06.10.xx.xx | |------------------|---------------|----------------| | DS4300 Turbo | 06.10.xx.xx | 06.10.xx.xx | | Option (1722) | | | |------------------|---------------|----------------| | DS4300 | 05.34.xx.xx | 05.41.5x.xx | | Standard Option | | (for enabling | | (1722) | | EXP100 attach | | | | -ment ONLY) | |------------------|---------------|----------------| | DS4300 Single | 05.34.xx.xx | N/A | | Controller Opt. | | | | (1722) | | | |------------------|---------------|----------------| | DS4100 (1724) | 05.42.xx.xx | 05.42.xx.xx | | | (for DS4100 | | | | only) | | |------------------|---------------|----------------| | DS4100 Single | 05.42.xx.xx | N/A | | Controller OPt. | (for DS4100 | | | (1724) | only) | | |------------------|---------------|----------------| | FAStT500 (3552) | 05.30.xx.xx | N/A | |------------------|---------------|----------------| | FAStT200 (3542) | 05.30.xx.xx | N/A | ---------------------------------------------------- New features that are introduced with the controller firmware version 06.10.xx.xx or later will not be available for any DS4000 storage server controllers without the controller firmware version 06.10.xx.xx installed. 1.2 Limitations (not AIX limitations, but DS4000 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 DS4000 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 DS4000 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. 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. 5. If the ESM firmware is 953A or earlier, no IOs are allowed during the duration that the EXP100 ESMs are being updated with new firmware, including clustering reservation checking IOs. 6. The DS4000 storage server when configured with the DS4000 EXP100 SATA Drive Expansion Unit is currently reporting a higher frequency of informational events such as Destination Driver Events (DDEs) and Fibre Channel link up/down events ... in the DS4000 Controller event log compared to the DS4000 storage 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 DS4000 storage server controllers, resulting in a greater number of informational events logged. In addition, the number of information events reported in the DS4000 storage server event log will also grow in proportion to the increase in I/Os to the Logical Drives. In all cases, the DS4000 storage server controller will always successfully service the timeout I/O on the subsequent retries. 7. After you replace a controller with a new controller in the single controller models of DS4000 storage servers, the premium features become unauthorized and are out of compliance. Any premium features not supported by the firmware of the new controller are unavailable. The work-around is to upgrade the firmware in the new controller to the same level as the removed controller and re-enable the premium features using the key files that you were provided when the premium feature was originally enabled. 8. When you migrating drive Customer Replaceable Units (CRUs) from multiple DS4000 storage servers into a single destination DS4000 storage servers, all of the drive CRUs from the same DS4000 storage server should be moved as a ‘set’ into the new destination DS4000 storage server. Before moving the next ‘set’ of drive CRUs, ensure that all of the drive CRUs for a single ‘set’ have been moved to the destination DS4000 storage server. If drive CRUs are not moved as a ‘set’ to the destination DS4000 storage servers, the newly relocated array may not appear in the Subsystem Management window. 9. Enclosure IDs may be listed incorrectly in the Subsystem Management window, even if the Enclosure ID switch settings appear to be correct. This is because of the physical design and movement of the Enclosure ID switch, it is possible to leave the switch in a “dead zone” between ID numbers, which will return an incorrect Enclosure ID (this value is 0 in most cases) to the storage management software. When setting the Enclosure ID, ensure that the switch has actuated completely and has settled where the value is clearly visible in the viewing window. 10. To download controller firmware, you must select the drive where the firmware is located. If the drive you select does not respond, the File Selection dialog box will revert to the A: drive and display an error message that drive A: is not ready if there are no media in drive A:. 11. When saving the DS4000 storage server event log entries, it may take up to several minutes to save all entries in the event log depending on the DS4000 management workstation resources. However, the DS4000 Storage Manager client GUI will show the completion of the event log saving almost instantly. The work around is to check the file size of the file that the event log entries are saved periodically; if the file size does not change, the event log saving is completed. 12. Do not perform other storage management tasks, such as creating or deleting logical drives, reconstructing arrays, and so on, while downloading the DS4000 storage server controller firmware and DS4000 EXP ESM firmware. It is recommended that you close all storage management sessions (other than the session that you use to upgrade the firmware) to the DS4000 storage server that you plan to update. New limitations with version 9.10.xx.02 release 13. The DS4000 Copy Service RVM is not supported at this time for DS4300 Base and Single Controller storage servers models. 14. In the Storage Manager version 9 client Subsystem Management window, the preferred owner of a defined logical drive can not be changed if the logical drive is not managed by the preferred owner/controller. The Storage Manager client will grey-out (not allowing one to select) the controller that is currrently managing the logical drive in the selection list of the new preferred owner/comntroller. One is allowed to only select the controller that is not managing the logical to be the new preferred owner. There is no work-around. 15. Concurrent firmware download (downloading firmware with IOs) are not supported when upgrading the controller firmware from 05.xx.xx.xx version to 06.10.xx.xx version. ALL IOs must be stopped during the 06.10.xx.xx firmware upgrade from a pre-06.10.xx.xx version. 16. Do not pull or inserting drives during the drive firmware download. In addition, ALL IOs must also be stopped during the drive firmware download. Otherwise, drives may be shown as missing, unavailable or failed. 17. Controller diagnostics will not run in a DS4000 storage server with single controller. 18. When instructing to remove and reinsert or to replace a hard drive, wait at least 70 seconds before inserting either the removed existing drive or the new drive into the drive slot. Similarly, wait at least 70 seconds before reinserting either the removed existing ESM module or the new ESM module into the empty ESM slot in the EXP drive expansion enclosure. There is no work-around. 19. SMdevices program does not return any information if the Access logical drive is not mapped to the AIX host connected to the DS4000 storage server. Map the Access logical drive to the AIX host and retry the command. 20. Dynamic Volume Expansion for AIX 5.3 must have PTF U499974 installed before expanding any file systems. 1.3 Enhancements ---------------- * This is the second release of IBM Storage Manager version 9.1 (11/23/2004) A summary list of the new features that were introduced with the DS4000 Storage Manager version 9.1 and the new updated host software for AIX operating systems in conjunction with the DS4000 storage server controller firmware version 06.10.xx.xx is as followed: - This release allows for the intermix of EXP100's, EXP700's and EXP710's attachment. The usage model is defined in the "IBM TotalStorage DS4000 Fibre Channel and Serial ATA Intermix Premium Feature Installation Overview" document available via the web. (11/24/2004) - Enhance Remote Mirroring support. Besides Metro Mirroring, IBM DS4000 Storage Manager version 9.1 also supports Global Copy and Global Mirroring Remote Mirror options. Please refer the IBM DS4000 Storage Manager Version 9 Copy Services User's Guide for more information. - Parallel hard drive firmware download support. Up to four different drive firmware packages can be downloaded to multiple drives of four different drive types simultaneously. Note: Drive firmware download is an offline management event. You must schedule downtime for the download because no IOs to the storage server are allowed during the drive firmware download process. - Staged controller firmware download support. The controller firmware and NVSRAM can be downloaded to the DS4300 Turbo and DS4500 storage server Flash area for later activation. Note: DS4400 storage server does not support this functionality. - Full command-line SMcli support. - Improve DS4000 storage manager client Subsystem Management GUI interface - Serviceability enhancements: This includes one-click collection of support data, drive diagnostic data, drive channel state management, controller ‘service mode’, reporting of none functional controller and ability to save host topology information. - Improve media error handling for better reporting of unreadable sectors in the DS4000 storage server event log and persistent reporting of unreadable sectors. - Support for the attachement of EXP100 SATA storage expansion enclosures to the DS4400 storage server (11/24/2004) - Support for the increase in the maximum number of EXP100 drive expansion enclosures that can be connected to a DS4100 storage server. The maximum EXP100 drive enclosure that can be connected to DS4100 is now 7 instead of 4 (11/24/2004) - Support for DS4100 storage server with Single Controller option 1.4 Fixes ---------------- 1.5 Prerequisites ----------------- The following pSeries & RS/6000 Hardware Platforms are supported for attachment to the DS4300 Turbo, DS4400 and DS4500 with DS4000 Storage Manager host software version 9.10.xx.xx and controller firmware version 06.10.xx.xx. 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 9111 520 pSeries 520 9113 550 pSeries 550 9117 570 pSeries 570 9119 590 pSeries 590 9119 595 pSeries 595 Platform: pSeries/AIX Recommended OS Levels: AIX 5.1, 5.2 or 5.3 Multipath Driver: IBM AIX RDAC Driver (fcp.disk.array) and FC Protocol DD PTFs. AIX 5.3, BASE devices.fcp.disk.array 5.3.0.1 devices.pci.df1000f7 5.3.0.2 AIX 5.2, Maintenance Level 4 and the following AIX fileset versions: devices.fcp.disk.array 5.2.0.42 devices.pci.df1000f7 5.2.0.43 AIX 5.1, Maintenance Level 6 and the following AIX fileset versions: devices.fcp.disk.array 5.1.0.62 devices.pci.df1000f7 5.1.0.62 For Concurrent Download the following APAR's must be installed: APAR_aix_51 = IY64463 APAR_aix_52 = IY64585 APAR_aix_53 = IY64475 * AIX 4.3 contains no support for features beyond Storage Manager 8.3. * AIX PTF/APARs can be downloaded from: http://techsupport.services.ibm.com/server/aix.fdc * Host Bus Adapter(s): IBM Feature Code 6227, 6228, 6239 or 5716 HBA Firmware Levels: FC 6227 - 3.30X1 FC 6228 - 3.91A1 FC 6239 - 1.00X5 FC 5716 - 1.90A4 * pSeries and RS/6000 adapter code can be downloaded from: http://techsupport.services.ibm.com/server/mdownload2/download.html 1.6 Dependencies ---------------- ATTENTION: 1. DS4000 STORAGE SERVER CONTROLLER FIRMWARE VERSION 06.10.XX.XX REQUIRES THAT THE FIRMWARE VERSION OF AN ATTACHED EXP100 ENVIRONMENTAL SERVICE MODULE (ESM) BE AT VERSION 955X OR HIGHER. IT IS NOT POSSIBLE TO UPGRADE EXP100 ESM FIRMWARE VERSIONS THROUGH 953X TO VERSION 955X. TO DETERMINE THE FIRMWARE LEVEL OF AN EXP100 ESM, IDENTIFY THE PRODUCT LABEL LOCATED AT THE REAR OF THE EXP100 ENCLOSURE. ONLY LABELS ON WHICH THE FIELD REPLACEABLE UNIT (FRU) PART NUMBER READS 25R0156 POSITIVELY INDICATE THAT AN ESM MODULE IS RUNNING FIRMWARE VERSION 955X OR HIGHER. IF THERE IS NO LABEL OR THE PART NUMBER ON THE LABEL DOES NOT READ 25R0156, THE ESM MAY STILL HAVE THE FIRMWARE VERSION 955X OR HIGHER IF IT HAD BEEN PREVIOUSLY UPGRADED. IF NECESSARY, CONTACT YOUR IBM REPRESENTATIVE, SUPPORT, OR RESELLER FOR ASSISTANCE. 2. DS4000 STORAGE SERVER CONTROLLER FIRMWARE VERSION 06.10.XX.XX REQUIRES THAT THE FIRMWARE VERSION OF AN ATTACHED EXP700 ENVIRONMENTAL SERVICE MODULE (ESM) BE AT VERSION 9326 OR HIGHER. IF THE EXP700 ESM FIRMWARE IS EARLIER THAN THE 9326 VERSIONS, THE EXP700 ENCLOSURE AND THE INSTALLED DRIVES MAY NOT BE DISPLAYED IN THE DS4000 SUBSYSTEM MANAGEMENT WINDOW AFTER THE CONTROLLER FIRMWARE IS UPGRADED. 3. CURRENTLY, THE ONLY DS4000 STORAGE SERVERS THAT ARE SUPPORTED BY THE 06.1X.XX.XX CONTROLLER FIRMWARE VERSION ARE THE DS4300 WITH TURBO OPTION, THE DS4400 AND THE DS4500. DO NOT DOWNLOAD THIS CONTROLLER FIRMWARE ON ANY OTHER DS4000 STORAGE SERVER. THERE IS NOT ANY CHECKING FOR THIS RESTRICTION INSIDE THE STORAGE MANAGER CLIENT PROGRAM. IBM DS4000 Storage Manager version 9.1 host software requires IBM machine type 3542 or 3552 storage controllers that have at least firmware version 05.30.XX.XX. The only IBM DS4000 Storage Manager version 09.10.xx.xx for AIX management function supported on DS4000 Storage Servers with controller firmware version 04.xx.xx.xx up to 05.2x.xx.xx is controller firmware and NVSRAM download. ======================================================================= 2.0 Change History ------------------ This is the latest release of IBM DS4000 Storage Manager for AIX. Version 09.10.xx.05 dates 11/23/2004 - Support for the DS4000 FC/SATA storage expansion enclosure intermix option - Enhance the DS4000 Enhance Remote Mirroring Global Copy and Global mirroring functions - Support for the attachement of EXP100 SATA storage expansion enclosures to the DS4400 storage server - Support the DS4100 storage server with Single Controller option - Support for the increase in the maximum number of EXP100 drive expansion enclosures that can be connected to a DS4100 storage server. The maximum EXP100 drive enclosure that can be connected to DS4100 is now 7 instead of 4 - 254966 (PR 81363) DS4000 controllers do not agree on configurations - 256414 (PR 81441) Cannot creat new LUN using FSM 9.1 / FW 6.1 - 259611 (PR 82674) Cannot install SM 9.10 because of a defect in Storage Manager host soffware uninstall - 261681 download allenclosures firmware cmd not working correctly. - hlpct_53466 (PR 80833) tcp port scan causes controllers to reboot - change MIB file name to SM9_10.MIB Version 09.10.xx.02 dated 08/31/2004 - Enhance Remote Mirroring support. Besides Metro Mirroring, IBM DS4000 Storage Manager version 9.1 also supports Global Copy and Global Mirroring Remote Mirror options. - Parallel hard drive firmware download. - Staged controller firmware download. - Full command-line SMcli support. - Improve DS4000 storage manager client Subsystem Management GUI - Adding additional diagnostic features - Drive Channel status, hard drive sector failure list. 2.1 Key Features of IBM DS4000 Storage Manager version 9.1 ---------------------------------------------------------- - Enhance Remote Mirroring support. Besides Metro Mirroring, IBM DS4000 Storage Manager version 9.1 also supports Global Copy and Global Mirroring Remote Mirror options. - Parallel hard drive firmware download. - Staged controller firmware download. - Full command-line SMcli support. - Support new EXP710 drive expansion enclosure model. - Support for both FC and SATA hard-drive technology EXP enclosures behind the same DS4000 storage servers. This is a purchased option. - Improve DS4000 storage manager client Subsystem Management GUI - Adding additional diagnostic features - Drive Channel status, hard drive sectors failure list. - Support new DS4100 storage server with Single Controller option. - Support for the attachement of EXP100 SATA storage expansion enclosures to the DS4400 storage server - Support for the increase in the maximum number of EXP100 drive expansion enclosures that can be connected to a DS4100 storage server. The maximum EXP100 drive enclosure that can be connected to DS4100 is now 7 instead of 4 2.2 Code levels at time of release are as follows ------------------------------------------------- The IBM DS4000 Storage Manager version 9.1 host software for AIX consisted of these packages. SMruntime: SMruntime-AIX-09.10.65.01.bff SMclient: SMclient-AIX-09.10.G5.05.bff SMagent: SMagent-AIX-09.10.65.01.bff SMutil: SMutil-AIX-09.10.65.01.bff Refer to the http://www.ibm.com/servers/storage/support/disk IBM TotalStorage™ Disk Storage Systems Technical Support web site for information on the latest supported switches and the 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 file systems and host panics. Please refer to the IBM DS4000 Storage Manager Version 9 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. * SCSI-3 Persistent Reservation is supported on AIX with DS4000 Storage Systems. * Each AIX host (server) can support 1 or 2 DS4000 Partitions (or Host Groups), each with a maximum of 256 Logical Drives on AIX 5.1, 5.2 and 5.3. * For most applications, AIX host attaches to DS4000 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 DS4000 storage server or multiple DS4000 Storage servers (fanout). To attach an AIX host to a single or multiple DS4000 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 DS4000 controller port. In other words, only 1 HBA within a host can be configured in the same zone with given DS4000 controller port. * For most Direct-attach applications, the connections of DS4000 storage arrays on AIX should be configured with two HBAs for complete path availability. As such, dual-path configurations are restricted to the following: DS4100/DS4300 - one or two server configurations only (2 or 4 HBAs) Each HBA pair must be connected to both A & B host-side controller ports. DS4400/DS4500 - 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 DS4000 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 DS4400/900. * Multiple host attachment to a host-side mini-hub is not supported. * Storage Partitions and the Default Host Group DS4000 offers a premium feature called "Storage Partitioning" which enables users to associate a set of logical drives on a DS4000 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 DS4000 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 DS4000 host port. When homogeneous host servers are directly attached to the DS4000 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 DS4000 host ports to specific set of hosts. The DS4300 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 DS4000 Storage Servers which include a minimum number of Storage Partitions, Storage Partitioning should be used when configuring logical drives and hosts. * Booting from a DS4000 subsystem utilizing SATA drives for the boot image is supported but not recommended due to performance reasons. * Boot images can be located on a volume in DS4000 partitions that have greater than 32 LUNs per partition if utilizing AIX release CD's 5.2 ml-4 (5.2H) and 5.3.0 ml-0 or above. These CD's contain DS4000 drivers that support greater than 32 LUNS per partition. If older CD's are being used the boot image must reside in a partition with 32 LUNS or less. AIX 5.1 needs to retain the boot image on a volume that resided in a partition with less than 32 LUNs. * Dynamic Volume Expansion (DVE) is only supported on AIX 5.2 and 5.3. AIX 5.3 must have PTF U499974 installed before using DVE. * When booting from a DS4000 device, both paths to the boot device must be up and operational. Single HBA configurations are supported, but must have both controllers connected, as described above. * Path fail-over is not supported during the AIX boot process. Once the AIX host has booted, fail-over operates normally. * 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 concurrent firmware and NVSRAM upgrades of FC arrays are only supported when upgrading from 06.10.06.XX to another version of 06.10.XX.XX. APAR_aix_51 = IY64463 APAR_aix_52 = IY64585 APAR_aix_53 = IY64475 It is highly recommended that Online FW upgrades be scheduled during low peak I/O loads. Upgrading firmware from 05.xx.xx.xx to version 06.xx.xx.xx must be performed with no IOs. There is no work-around. * When using FlashCopy, the Repository Volume failure policy must be set to "Fail FlashCopy logical drive", which is the default setting. The "Fail writes to base logical drive" policy is not supported on AIX, as data could be lost to the base logical drive. * VolumeCopy must be used in conjunction with Flashcopy. The VolumeCopy source volume must be a FlashCopy copy. Refer to the IBM DS4000 Storage Manager version 9.1x Installation and Support Guides for AIX, HP-UX and Solaris for more information. * AIX Clustering (HACMP, PSSP, GPFS) is now supported with Storage Manager version 9.1 on FC systems. Please see one of the following Configuration Information documents for specific support information. These are located in the "Important notices and readmes" section on the DS4000 support web site. HACMP configuration information for DS4000 on pSeries/AIX Servers PSSP/GPFS configuration information for DS4000 on pSeries/AIX Servers * Do not perform other storage management tasks, such as creating or deleting logical drives, reconstructing arrays, and so on, while downloading the DS4000 storage server controller firmware and DS4000 EXP100 ESM firmware. It is recommended that you close all storage management sessions (other than the session that you use to upgrade the firmware) to the DS4000 storage server that you plan to update. * All drive trays on any given loop should have complete unique ID's assigned to them. Example for a maximum config DS4000 900: trays on one loop should be assigned id's 10-17 and trays on the second loop assigned id's 20-27. Tray id's 00 ~ 09 should not be used and tray id's with the same single digit such as 11 and 21 should not be used on the same drive loop. 3.1 Helpful Hints ------------------------------- 1. The ideal configuration for SATA drives is one drive in each EXP per array, one logical drive per array and one OS disk partition per logical drive. This configuration minimizes the random head movements that increase stress on the SATA drives. As the number of drive locations to which the heads have to move increases, application performance and drive reliability may be impacted. If more logical drives are configured, but not all of them used simultaneously, some of the randomness can be avoided. SATA drives are best used for long sequential reads and writes. 2. IBM recommends at least one hot spare per EXP100 drive expansion enclosure. A total of 15 hot-spares can be defined per DS4000 storage server configuration 3. The IBM DS4000 Storage Manager will prompt you for a password if an attempt is made to manage a storage subsystem where the DS4000 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 DS4000 Drive Enclosure (EXP500 or EXP700) with at least one drive is properly attached to each of the FAStT500 or DS4400 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 DS4000 Storage Manager 8.3x software. 4. 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. 5. Staged firmware and NVSRAM download function is not available on the DS4400 (machine type 1742) models with firmware 06.1x.00.00 in conjunction with IBM Storage Manager 09.1x.xx.xx." 6. The DS4000 controller host ports or the Fibre Channel HBA ports can not be connected to a Cisco FC switch ports with "trunking" enable. You might encounter failover and failback problems if you do not change the Cisco FC switch port to "non-trunking" using the following procedure: a. Launch the Cicso FC switch Device Manager GUI. b. Select one or more ports by a single click. c. Right click the port(s) and select Configure, a new window pops up d. Select the "Trunk Config" tab from this window, a new window opens e. In this window under Admin, select the "non-trunk" radio button, it is set to auto by default. f. Refresh the entire fabric. 7. Serial connections to the DS4000 storage controller must be set to a baud rate of either 38200 or 57600. Do not make any connections to the DS4000 storage server serial ports unless it is instructed by IBM Support. Incorrect use of the serial port might result in lost of configuration, and possibly, data. 3.2 Configuration settings ------------------------------ 1. By default the IBM DS4000 Storage Manager 9.1 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 DS4000 Storage Manager to version 9.1. 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 DS4000 Storage Manager upgrading will reset the default host type to Windows NT host type. Refer to the IBM DS4000 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/servers/storage/support/disk/ 4.2 IBM TotalStorage™ Marketing Web Site: http://www.ibm.com/servers/storage/disk 4.3 If you have any questions about this update, or problem applying the update go to the following HelpCenter World Telephone Numbers URL: http://www.ibm.com/planetwide IMPORTANT: You should download the latest version of the DS4000 Storage Manager host software, the DS4000 storage server controller firmware, the DS4000 drive expansion enclosure ESM firmware and the drive firmware at the time of the initial installation and when product updates become available. To be notified of important product updates, you must first register at the IBM Support and Download Web site: www-1.ibm.com/servers/storage/disk/ Perform the following steps to register at the IBM Support and Download Web site: 1. Click on My Support in the Additional Support box in the right side of the DS4000 Support web page. 2. The Sign In window displays. Either enter your IBM ID and Password in the sign in area to sign in and proceed to step 6 or, if you are not currently registered with the site, click Register Now. 3. The My IBM Registration window Step 1 of 2 opens. Enter the appropriate information and click Continue to get to the second My IBM Registration window. 4. In the My IBM Registration window Step 2 of 2, enter the appropriate information and click Submit to register. 5. The My IBM Registration windows opens with the following message, “Thank you for registering with ibm.com. Continue to explore ibm.com as a registered user.” Click Edit Profile in the My IBM box on the right side of the window. 6. The My Support window opens. Click Add Products to add products to your profile. 7. Use the pull-down menus to choose the appropriate DS4000 storage server and expansion enclosures that you want to add to your profile. To add the product to your profile, select the appropriate box or boxes next to the product names and click Add Product. 8. Once the product or products are added to your profile, click Subscribe to Email folder tab 9. Select Storage in the pull down menu. Select Please send these documents by weekly email and select Downloads and drivers and Flashes to receive important information about product updates. Click Updates. 10. Click Sign Out to log out of My Support. ======================================================================= 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. 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