Page 2 - SSA RAID Adapter Installation and User's Guide.; Notices
NOTICES Notices +--- Note! ----------------------------------------------------------+ ¦ ¦ ¦ Before using this information and the product it supports, be sure ¦ ¦ to read the general information under "Notices" in topic D.2. ¦ ¦ ¦ +-----------------------------------------------------------...
Page 3 - _ Copyright International Business Machines Corporation 1996.; restrictions set forth in GSA ADP Schedule Contract with IBM Corp.; Edition Notice
EDITION Edition Notice First Edition (September 1996) The following paragraph does not apply to any country where such provisions are inconsistent with local law: THIS PUBLICATION IS PRINTED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE I...
Page 4 - CONTENTS Table of Contents; Table of Contents
CONTENTS Table of Contents COVER Book Cover NOTICES Notices EDITION Edition Notice CONTENTS Table of Contents FRONT_1 Safety Information PREFACE About This Book PREFACE.1 How This Book Is Organized. PREFACE.2 Related Publications 1.0 Chapter 1. Introducing the SSA RAID Adapter 1.1 SSA 1.2 The Adapte...
Page 5 - FRONT_1 Safety Information; Safety Information
FRONT_1 Safety Information SSA RAID Adapter Installation and User's Guide. Safety Information _ Copyright IBM Corp. 1996 FRONT_1 - 1
Page 8 - About This Book
PREFACE About This Book This book is intended for a network administrator-that is, the individual responsible for configuring, maintaining, managing, and troubleshooting a PC server. It includes information about installing and using the SSA RAID Adapter, discusses disk-array technology, and describ...
Page 9 - How This Book Is Organized.
PREFACE.1 How This Book Is Organized. Chapter 1, "Introducing the SSA RAID Adapter" in topic 1.0 describes the adapter, what is provided with it, and the environments in which it works. Chapter 2, "Installing an SSA RAID Adapter" in topic 2.0 describes how to install the adapter and ...
Page 10 - Related Publications
PREFACE.2 Related Publications Other manuals that you might find useful are: SSA RAID Adapter: Maintenance Information , S32H-3817 SSA RAID Adapter: Technical Reference , SA33-3269 SSA RAID Adapter Installation and User's Guide. Related Publications _ Copyright IBM Corp. 1996 PREFACE.2 - 1
Page 11 - Chapter 1. Introducing the SSA RAID Adapter
1.0 Chapter 1. Introducing the SSA RAID Adapter The IBM SSA RAID Adapter for PC Servers is a PCI bus-master adapter that serves as the interface between systems using the Peripheral Component Interconnect (PCI) architecture and devices using the Serial Storage Architecture (SSA). The SSA RAID Adapte...
Page 12 - SSA
1.1 SSA SSA is a high-performance serial-interconnect technology used to connect I/O devices and host adapters. SSA is an open standard, and SSA specifications have been approved by the SSA Industry Association and are in the process of being approved as an ANSI standard through the ANSI X3T10.1 sub...
Page 13 - The light is off if both ports are not operational; The Adapter Card
1.2 The Adapter Card The adapter provides 4 SSA ports for the attachment of storage devices such as hard disk drives. Each port operates at 20 MB/s full-duplex using point-to-point copper cables up to 25 meters long. On the adapter card, there is a light next to the pair of SSA connectors (port 1 an...
Page 14 - RAID
1.3 RAID RAID (redundant array of independent disks) is the technology of grouping several hard disk drives into an array that is defined as a single logical disk drive. This grouping technique greatly increases logical-disk capacity and data availability. In addition, if one disk fails, the system ...
Page 15 - Operating Systems
1.4 Operating Systems The SSA RAID Adapter, its firmware, and the software supplied with it provide attachments of SSA devices to the following operating systems: OS/2 2.11 SMP, OS/2 WarpServer Version Novell NetWare 4.1, 4.1 SM Windows NT 3.51 Serve SSA RAID Adapter Installation and User's Guide. O...
Page 16 - Before Installing the Adapter
1.5 Before Installing the Adapter This book is intended for a network administrator-that is, the person responsible for configuring, maintaining, managing, and troubleshooting a PC server. The administrator should be familiar with RAID and hot-swapping technology. Attention: Do not open the static-p...
Page 17 - Installation Requirements
1.6 Installation Requirements To install this option, you will need the following: The documentation that came with your serve A small flat-blade screwdriver SSA RAID Adapter Installation and User's Guide. Installation Requirements _ Copyright IBM Corp. 1996 1.6 - 1
Page 18 - Chapter 2. Installing an SSA RAID Adapter
2.0 Chapter 2. Installing an SSA RAID Adapter To complete the installation, you must: 1. Install the adapter card 2. Connect the necessary SSA cables 3. Revise the system configuration information 4. Load an operating system, unless one is already loaded in the server 5. Load the device drivers and ...
Page 19 - Installing the Adapter Card
2.1 Installing the Adapter Card Attention: Remove all power from your PC server and any attached devices before removing the cover. To install the adapter card, refer to the documentation that came with your PC server. The User's Handbook for your server describes how to install an adapter. Perform ...
Page 20 - Connecting the Disk Drives
2.2 Connecting the Disk Drives Each of the 2 pairs of SSA ports can attach up to 48 dual-port devices in a closed loop. Only one SSA adapter can be included in a loop. "SSA Loops and Links" in topic C.1.1 provides a general description of SSA loops and some rules for cabling valid configurat...
Page 21 - Configuring the Disk Drives
2.3 Configuring the Disk Drives Turn power on to the server unit and to the devices. Your system automatically performs the PCI configuration tasks, which recognize the new adapter and devices during the boot process. SSA RAID Adapter Installation and User's Guide. Configuring the Disk Drives _ Copy...
Page 22 - Installing an Operating System
2.4 Installing an Operating System If an operating system is already loaded in your server, go to the next section, "Installing the Device Drivers and Utility Programs" in topic 2.5. If you are installing an operating system on your new SSA RAID subsystem: 1. Boot DOS by: a. Inserting the PC...
Page 23 - Installing the Device Drivers and Utility Programs
2.5 Installing the Device Drivers and Utility Programs A README.TXT file on the SSA RAID Adapter diskette for your operating system provides detailed instructions on installing the device drivers. Unless you have just installed an operating system, you must configure your disk arrays before you can ...
Page 24 - CBIOS disabled; appears, press the tab key. After this; CBIOS enabled; Selecting Your Boot Device
2.6 Selecting Your Boot Device To boot from an SSA disk drive: during the boot process, if the message CBIOS disabled appears, press the tab key. After this action, whenever you boot your server, it will boot from the primary SSA disk drive and the message CBIOS enabled will appear. To return to boo...
Page 25 - Chapter 3. Configuring SSA Subsystems
3.0 Chapter 3. Configuring SSA Subsystems Before new SSA disk drives can be used by the operating system, you must configure them into the SSA subsystem. You use the configuration utility (which is provided on each of the diskettes supplied with the adapter) to do this. The actions that you must per...
Page 26 - Running the Configuration Utility; ISSACFG
3.1 Running the Configuration Utility To run the configuration utility, execute the following program: For OS/2: ISSACFG For Novell NetWare: load ISSACFG For Windows NT: ISSACFG For DOS: ISSACFG or, if it is available, double click on the SSA Configurator icon. The Main Menu screen is displayed: +--...
Page 27 - New Disks; free; Free Resources; instructions on attaching them to the system.; Accepting New Disk Drives
3.2 Accepting New Disk Drives To accept new disk drives into the SSA subsystem: 1. From the SSA Main Menu, select New Disks . 2. A window opens containing a list of all the disk drives not previously used in a PC server: +------------------------------------------------------------------------------...
Page 28 - SSA Adapter List; Creating an Array
3.3 Creating an Array This section describes how to create an array from the free disk drives in the SSA subsystem. It is recommended that you define one or more hot spares (refer to "Defining a Hot Spare" in topic 5.1 for how to do this) before creating the first array on an adapter. To cre...
Page 29 - set each attribute in turn.
Select the type of array to be created. You can scroll the contents of the window by using the arrow keys. 4. A list of the arrays of this type already controlled by this adapter appears in a new window (this list may be blank): +----------------------------------------------------------------------...
Page 30 - for each disk drive; b. A list of candidate disk drives is displayed:
¦ +-----------------------------------------------------------------------+ ¦ ¦ ¦CONFIG SSA Configurator and Service Aids Vyymmdd XX Version¦ ¦ ¦ +-----------------------------------------------------------------------+ ¦ ¦ +----------------------------+ ¦ ¦ ¦ Main M+--------------------------------...
Page 32 - Attaching Resources; System Resources; attached
3.4 Attaching Resources A resource is a disk drive that is to be accessed individually or an array of disk drives. Before attaching an array, ensure that it has finished the rebuilding process and that no problems occurred during this process. Any problems are shown in the attributes of the array; &...
Page 33 - Attaching Resources
¦ +-----------------------------------------------------------------------+ ¦ ¦ ¦CONFIG SSA Configurator and Service Aids Vyymmdd XX Version¦ ¦ ¦ +-----------------------------------------------------------------------+ ¦ ¦ +----------------------------+ ¦ ¦ ¦ Main Menu ¦ ¦ ¦ +----------------------...
Page 34 - Chapter 4. Dealing with Disk-Array Problems
4.0 Chapter 4. Dealing with Disk-Array Problems This chapter: Provides general guidance on solving basic problems with your SSA subsyste Describes how to get detailed information about errors and other events on the adapter and the disk drives attached to i Describes the actions you must perform wit...
Page 37 - Changing Failed Disk Drives
4.3 Changing Failed Disk Drives If you have one of the SRNs in the list above, you can change the disk drive using the following procedure: 1. From the Main Menu, select SSA Adapter List , select the adapter, and then select Disk Service Aids . A list of physical disk drives is displayed: +---------...
Page 38 - Changing Failed Disk Drives
Define the new disk drive as a new hot spare, using the procedure described in "Defining a Hot Spare" in topic 5.1, or Exchange the new disk drive with the previous hot spare, using the procedure described in "Exchanging a Member of an Array" in topic 5.5. SSA RAID Adapter Installati...
Page 39 - SSA RAID Adapter: Hardware Maintenance Manual Supplement; For Novell NetWare:; load ISSACFG; or, if it is available, double click on the SSA Configurator icon.; Chapter 5. Performing Other Disk-Array Tasks
5.0 Chapter 5. Performing Other Disk-Array Tasks This section describes some of the other uses of the SSA Configuration Utility. Other service-related tasks are described in the SSA RAID Adapter: Hardware Maintenance Manual Supplement . All these tasks use the SSA Configurator Utility provided on th...
Page 40 - defined on that adapter.; Defining a Hot Spare
5.1 Defining a Hot Spare To define a disk drive as a hot spare: 1. From the Main Menu screen, select SSA Adapter List . 2. The SSA Adapter List window opens: +----------------------------------------------------------------------------------+ ¦ ¦ ¦ ¦ ¦ +----------------------------------------------...
Page 42 - and then; Disk Service Aids; . A window opens showing the physical; Viewing the Physical Configuration
5.2 Viewing the Physical Configuration From the SSA Main Menu, select SSA Adapter List and then Disk Service Aids . A window opens showing the physical arrangement of the SSA disk drives attached to the adapter selected: +------------------------------------------------------------------------------...
Page 43 - and then the resource you want to view.; View Members; window opens containing a list of the members of the array:; Viewing Resources and Their Attributes
5.3 Viewing Resources and Their Attributes From the SSA Main Menu, select System Resources and then the resource you want to view. If you select an array, a window opens showing the attributes of the array: +----------------------------------------------------------------------------------+ ¦ ¦ ¦ ¦ ...
Page 45 - Select the adapter that controls the array.; Changing Array Attributes
5.4 Changing Array Attributes To change one or more of the attributes of an existing array: 1. From the SSA Main Menu, select SSA Adapter List 2. The SSA Adapter List window opens: +----------------------------------------------------------------------------------+ ¦ ¦ ¦ ¦ ¦ +-----------------------...
Page 47 - Exchanging a Member of an Array
5.5 Exchanging a Member of an Array To exchange a member of an array with another disk drive: 1. From the SSA Main Menu, select System Resources and then the array in which you want to exchange a member. A window will open showing the attributes of the array: +---------------------------------------...
Page 48 - Exchanging a Member of an Array
¦ ¦ ¦ ¦ ¦ +-----------------------------------------------------------------------+ ¦ ¦ ¦CONFIG SSA Configurator and Service Aids Vyymmdd XX Version¦ ¦ ¦ +-----------------------------------------------------------------------+ ¦ ¦ +----------------------------+ ¦ ¦ ¦ Main Menu ¦ ¦ ¦ +--------------...
Page 49 - confirm the deletion at the prompt.; Deleting an Array
5.6 Deleting an Array Before deleting an array, delete any operating-system-partition definitions that affect the array. There are two steps to be performed if you want to delete the definition of an array from the system: 1. From the Main Menu, select System Resources . A window opens showing the l...
Page 51 - Chapter 6. Getting the Latest Information
6.0 Chapter 6. Getting the Latest Information For the latest device drivers, firmware, and utility programs, call the IBM PC Company Bulletin Board System at: +------------------------------------------------------------------------+ ¦ In the U.S. ¦ 1-919-517-0001 ¦ +-----------------+--------------...
Page 52 - can be installed in other PC servers.; Appendix A. Multiple-Adapter Installations
A.0 Appendix A. Multiple-Adapter Installations The following limitations apply to servers with multiple SSA RAID Adapters: Up to two SSA RAID Adapters can be installed in a member of the PC Server 720 family of servers. Only 1 SSA RAID Adapter can be installed in other PC servers. If two SSA RAID Ad...
Page 53 - SRN; Appendix B. SSA RAID Adapter Service Request Numbers
B.0 Appendix B. SSA RAID Adapter Service Request Numbers "Array Problems" in topic 4.2 describes how errors are reported and logged for the adapter and the disk drives attached to it. These reports and logs contain service request numbers (SRNs) which lead to detailed descriptions of the pro...
Page 57 - SSA Loop Configurations that Are Not Valid
B.1 SSA Loop Configurations that Are Not Valid Note: This section is related to SRN 48000. SRN 48000 shows that the SSA loop contains more devices or adapters than are allowed. Each of the 2 pairs of SSA ports on a SSA RAID Adapter can attach up to 48 devices in a closed loop. Only one SSA RAID Adap...
Page 58 - Appendix C. Introducing SSA and RAID
C.0 Appendix C. Introducing SSA and RAID This chapter describes: Serial storage architecture (SSA The RAID functions that are provided by the SSA RAID Adapter Subtopics C.1 Serial Storage Architecture (SSA) C.2 RAID Functions SSA RAID Adapter Installation and User's Guide. Appendix C. Introducing SS...
Page 60 - Subtopics; SSA Loops and Links
C.1.1 SSA Loops and Links In the simplest SSA configuration, SSA devices are connected through two or more SSA links to an SSA adapter that is located in the system unit. The devices, SSA links, and SSA adapter are configured in loops. Each loop provides a data path that starts at one connector of t...
Page 61 - Loops and Data Paths
C.1.1.1 Loops and Data Paths All devices that are attached to an SSA adapter card 1 are connected through SSA links 2 . The SSA links are configured in loops. Data and commands to a particular device pass through all other devices on the link between the adapter and the target device. Data can trave...
Page 64 - A maximum of 48 devices can be connected in a particular SSA loop; Rules for SSA Loops
C.1.2 Rules for SSA Loops For SSA loops that include the SSA RAID Adapter, the following rules apply: Each SSA loop must be connected to a valid pair of connectors on the SSA adapter (that is, either connectors A1 and A2, or connectors B1 and B2). A maximum of 48 devices can be connected in a partic...
Page 67 - disk capacity of two times the data size.
C.2.2 RAID-1 RAID-1 is also known as mirroring or dual copy. It provides redundancy with better performance than a single disk, but requires real disk capacity of two times the data size. A RAID-1 array has two disk drive members. If the members have different capacities, the resulting RAID-1 array ...
Page 68 - The members of the array are used in rotation for the parity data.
C.2.3 RAID-5 RAID-5 arrays write strips of data across all but one member of the array. Parity for the other strips is written on the last member. The members of the array are used in rotation for the parity data. RAID-5 arrays offer data protection , good throughput, and require fewer disks than RA...
Page 69 - Hot Spares
C.2.4 Hot Spares A hot-spare disk drive is a disk drive that is defined for automatic use if a disk drive within an array fails. The hot-spare must have a storage capacity greater than or equal to that of the smallest member of an array. You can define as many hot spares as you want. Any RAID-1 and ...
Page 70 - Disk Array States
C.2.5 Disk Array States A disk array can be in one of several states. Those states are described here. Subtopics C.2.5.1 Good State C.2.5.2 Exposed State C.2.5.3 Degraded State C.2.5.4 Rebuilding State C.2.5.5 Offline State SSA RAID Adapter Installation and User's Guide. Disk Array States _ Copyrigh...
Page 71 - Good State
C.2.5.1 Good State A disk array is in the Good state when all the member disk drives of that disk array are present and functioning correctly. SSA RAID Adapter Installation and User's Guide. Good State _ Copyright IBM Corp. 1996 C.2.5.1 - 1
Page 72 - the array is changed to Degraded.; Exposed State
C.2.5.2 Exposed State A disk array enters the Exposed state when a member disk drive becomes missing (logically or physically) from that array. When a disk array is in the Exposed state, you can reintroduce the missing disk drive, or exchange it for a new one. If necessary, the array management soft...
Page 73 - Degraded State
C.2.5.3 Degraded State A disk array enters the Degraded state if, while in the Exposed state, it receives a write command. If a hot spare disk drive is enabled and available, when the first write command is sent, the array management software immediately exchanges the missing disk for the hot spare,...
Page 74 - Rebuilding State
C.2.5.4 Rebuilding State A disk array enters Rebuilding state after a missing disk has been replaced. When the disk array is in this state, all the member disk drives are present, but the data and parity are being rebuilt on the replaced disk drive. The array management software allows read and writ...
Page 75 - Offline State
C.2.5.5 Offline State A disk array enters Offline state when two or more disk drives become missing. Read and write operations are not allowed. SSA RAID Adapter Installation and User's Guide. Offline State _ Copyright IBM Corp. 1996 C.2.5.5 - 1
Page 76 - Appendix D. Product Warranty and Notices
D.0 Appendix D. Product Warranty and Notices International Business Machines Corporation Armonk, New York, 10504 Subtopics D.1 Statement of Limited Warranty D.2 Notices D.3 Trademarks D.4 Communications Statements SSA RAID Adapter Installation and User's Guide. Appendix D. Product Warranty and Notic...
Page 77 - Statement of Limited Warranty
D.1 Statement of Limited Warranty The warranties provided by IBM in this Statement of Limited Warranty apply only to Machines you originally purchase for your use, and not for resale, from IBM or an IBM authorized reseller. The term "Machine" means an IBM machine, its features, conversions, ...
Page 78 - warranty terms apply.; Production Status
D.1.1 Production Status Each Machine is manufactured from new parts, or new and serviceable used parts (which perform like new parts). In some cases, the Machine may not be new and may have been previously installed. Regardless of the Machine's production status, IBM's warranty terms apply. SSA RAID...
Page 79 - The IBM Warranty
D.1.2 The IBM Warranty IBM warrants that each Machine 1) is free from defects in materials and workmanship and 2) conforms to IBM's Official Published Specifications. IBM calculates the expiration of the warranty period from the Machine's Date of Installation. The date on your receipt is the Date of...
Page 80 - W arranty Service
D.1.3 Warranty Service To obtain warranty service for the Machine, you should contact your reseller or call IBM. In the United States, call IBM at 1-800-772-2227 . In Canada, call IBM at 1-800-565-3344 . You may be required to present proof of purchase. Depending on the Machine, the service may be 1...
Page 81 - Extent of Warranty
D.1.4 Extent of Warranty IBM does not warrant uninterrupted or error-free operation of a Machine. Misuse, accident, modification, unsuitable physical or operating environment, improper maintenance by you, or failure caused by a product for which IBM is not responsible may void the warranties. THESE ...
Page 82 - Limitation of Liability
D.1.5 Limitation of Liability Circumstances may arise where, because of a default on IBM's part (including fundamental breach) or other liability (including negligence and misrepresentation), you are entitled to recover damages from IBM. In each such instance, regardless of the basis on which you ar...
Page 84 - Trademarks
D.3 Trademarks The following terms are trademarks of IBM Corporation in the United States or other countries or both: IBM OS/2 NetWare is a trademark of Novell, Incorporated. Microsoft and Windows are trademarks or registered trademarks of Microsoft Corporation. SSA RAID Adapter Installation and Use...
Page 85 - Communications Statements
D.4 Communications Statements The following statements apply to this product. The statements for other products intended for use with this product appear in their accompanying manuals. Subtopics D.4.1 Federal Communications Commission (FCC) Statement D.4.2 VCCI Statement D.4.3 International Electrot...
Page 86 - operate the equipment.; Federal Communications Commission (FCC) Statement
D.4.1 Federal Communications Commission (FCC) Statement Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipm...
Page 87 - VCCI Statement
D.4.2 VCCI Statement The following is a summary of the VCCI Japanese statement in the box above. +------------------------------------------------------------------------+ ¦ This equipment is Type 1 Data Processing Equipment and is intended for ¦ ¦ use in commercial and industrial areas. When used i...
Page 88 - International Electrotechnical Commission (IEC) Statement
D.4.3 International Electrotechnical Commission (IEC) Statement This product has been designed and built to comply with (IEC) Standard 950. SSA RAID Adapter Installation and User's Guide. International Electrotechnical Commission (IEC) Statement _ Copyright IBM Corp. 1996 D.4.3 - 1
Page 89 - Avis de conformité aux normes de l'Industrie Canada
D.4.4 Avis de conformité aux normes de l'Industrie Canada Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada. SSA RAID Adapter Installation and User's Guide. Avis de conformité aux normes de l'Industrie Canada _ Copyright IBM Corp. 1...
Page 90 - D.4.5 Industry Canada Compliance Statement; Industry Canada Compliance Statement
D.4.5 Industry Canada Compliance Statement This Class A digital apparatus meets the requirements of the Canadian Interference-Causing Equipment Regulations. SSA RAID Adapter Installation and User's Guide. Industry Canada Compliance Statement _ Copyright IBM Corp. 1996 D.4.5 - 1
Page 91 - D.4.6 United Kingdom Telecommunications Requirements; United Kingdom Telecommunications Requirements
D.4.6 United Kingdom Telecommunications Requirements This apparatus is manufactured to the International Safety Standard EN60950 and as such is approved in the U.K. under approval number NS/G/1234/J/100003 for indirect connection to public telecommunications systems in the United Kingdom. SSA RAID A...
Page 92 - EC Council Directive
D.4.7 EC Council Directive This product is in conformity with the requirements of the following EC directives: Council Directive 73/23/EEC on the harmonization of the laws of the Member States relating to electrical equipment designed for use within certain voltage limits. Council Directive 89/336/E...
Page 93 - Der Aussteller der Konformitätserklärung ist die IBM Germany.; Radio Protection for Germany
D.4.8 Radio Protection for Germany Dieses Gerät ist berechtigt in Übereinstimmung mit dem deutschen EMVG vom 9.Nov. das EG-Konformitätszeichen zu führen. Der Aussteller der Konformitätserklärung ist die IBM Germany. Dieses Gerät erfüllt die Bedingungen der EN 55022 Klasse A. Für diese Klasse von Ger...
Page 94 - Index
A access failure checks 4.1 adapter card description 1.2 installing 2.1 lights 1.2 array attaching 3.4 attributes changing 5.4 viewing 5.3 configuring 3.0 creation 3.3 deleting 5.6 exchanging a member 5.5 array problems 4.2 array states degraded C.2.5.3 exposed C.2.5.2 read operations C.2.5.2 write ...