Bull 2104 Model DU3 Expandable Storage Plus Operator’s Guide ORDER REFERENCE 86 A1 16EF 01
Bull 2104 Model DU3 Expandable Storage Plus Operator’s Guide Hardware December 2000 BULL CEDOC 357 AVENUE PATTON B.P.
The following copyright notice protects this book under the Copyright laws of the United States of America and other countries which prohibit such actions as, but not limited to, copying, distributing, modifying, and making derivative works. Copyright Bull S.A. 1992, 2000 Printed in France Suggestions and criticisms concerning the form, content, and presentation of this book are invited. A form is provided at the end of this book for this purpose.
Contents Communications Statements . . . . . . . . . . . . . . Federal Communications Commission (FCC) Statement . . . . . Japanese Voluntary Control Council for Interference (VCCI) Statement. Korean Government Ministry of Communication (MOC) Statement . . New Zealand Compliance Statement . . . . . . . . . . . . International Electrotechnical Commission (IEC) Statement . . . . Avis de conformité à la réglementation d’Industrie Canada . . . . Industry Canada Compliance Statement . . . . . . . . . . .
To Exchange a Fan-and-Power-Supply Assembly . . Exchanging a Fan Assembly . . . . . . . . . . Before Exchanging a Fan Assembly . . . . . . . To Exchange a Fan Assembly . . . . . . . . . Exchanging a SCSI Interface Card Assembly . . . . . Before Exchanging the SCSI Interface Card Assembly. To Exchange a SCSI Interface Card Assembly . . . Exchanging the Switch Card Assembly . . . . . . . Before Exchanging the Switch Card Assembly . . . To Exchange the Switch Card Assembly . . . . . Reporting Problems . . . .
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. Federal Communications Commission (FCC) Statement 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.
International Electrotechnical Commission (IEC) Statement This product has been designed and built to comply with (IEC) Standard 60950. Avis de conformité à la réglementation d’Industrie Canada Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada. Industry Canada Compliance Statement This Class A digital apparatus complies with IECS-003.
Wohnbereich Funkstörungen verursachen; in diesem Fall kann vom Betreiber verlangt werden, angemessene Massnahmen durchzuführen und dafür aufzukommen.″ EN 50082-1 Hinweis: ″Wird dieses Gerät in einer industriellen Umgebung betrieben (wie in EN 50082-2 festgelegt), dann kann es dabei eventuell gestört werden. In solch einem Fall ist der Abstand bzw. die Abschirmung zu der industriellen Störquelle zu vergrössern.
viii 2104 Models DU3 and TU3 Operator’s Guide
Safety Notices For a translation of the danger and caution notices contained in this book, see “Appendix B. Translated Safety Notices” on page 83. Definitions of Safety Notices A danger notice indicates the presence of a hazard that has the potential of causing death or serious injury. A danger notice appears on page 50. A caution notice indicates the presence of a hazard that has the potential of causing moderate or minor personal injury. Caution notices appear on pages 47, 49, 58, 67, 69, and 76.
x 2104 Models DU3 and TU3 Operator’s Guide
Electrostatic Discharge (ESD) Attention: When you handle field-replaceable units (FRUs) and other computer parts, take these precautions to avoid static damage: v Limit your movement. Movement can cause static electricity to build up around you. v Always touch computer parts carefully. Hold adapters and memory-modules by their edges. Never touch any exposed circuits. v Prevent people who are not correctly grounded from touching computer parts.
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About This Book This book is for people who operate a system that has one or more 2104 Model DU3 or TU3 connected to it. Throughout this book, service representative means a person who has been authorized by your organization to maintain your 2104 Model DU3 or TU3. Chapter 1 describes the 2104 Models DU3 and TU3, their controls, and how to use them. Chapter 2 describes how to add disk drive modules to a 2104 Model DU3 or TU3 that is already installed as part of your system.
v TM Numbering Convention In this book: KB means 1 000 bytes. MB means 1 000 000 bytes. GB means 1 000 000 000 bytes.
Chapter 1. Using the 2104 Model DU3 or TU3 Important: The installation of this product is a customer responsibility. Attention: Before continuing with any of the actions described in this book, please refer to “Safety Notices” on page ix. This section describes the Expandable Storage Plus: 2104 Models DU3 and TU3, their controls, and how to use them.
Figure 1. 2104 Model TU3 (Left) and 2104 Model DU3 (Right) 2104 Model DU3 The 2104 Model DU3 is a rack-mounted SCSI disk enclosure that can be installed into a standard Electrical Industries Association (EIA) 19-inch rack.
Figure 2. 2104 Model DU3 from the Front (Top) and Back (Bottom) Chapter 1.
At the front of a 2104 Model DU3 there are 14 device slots 1 . Each slot must contain either a SCSI disk drive module, or a dummy disk module. Each disk drive module connects to a backplane which is mounted vertically about halfway between the front and back of the 2104 Model DU3. Note: To run I/O at least one SCSI disk drive module must be present in each 2104 Model DU3. The 14 device slots are divided into two groups of seven slots. Between the two groups of seven slots there is a SCSI bridge card 2 .
04 Model TU3 The 2104 Model TU3 is a deskside SCSI disk enclosure. A fully configured 2104 Model TU3 looks like this: Figure 3. 2104 Model TU3 from the Front (Left) and Back (Right) Chapter 1.
At the front of a 2104 Model TU3 are 14 device slots 1 . Each slot must contain either an SCSI disk drive module, or a dummy module. Each disk drive module connects to a backplane that is mounted vertically about halfway between the front and back of the 2104 Model TU3. Note: To run I/O at least one SCSI disk drive module must be present in each 2104 Model TU3. The 14 device slots are split into two groups of seven slots. Between the two groups of slots, there is a SCSI bus bridge card 2 .
Controls and Lights This section describes the switches and lights on a 2104 Model DU3 or TU3. The 2104 has no main power switch. However, each fan-and-power-supply assembly has an On/Standby switch. You can see the 2104 lights at the front of the 2104 Model DU3 or TU3. Figure 4.
Disk Drive Module Lights The lights on the disk drive modules that are installed in a 2104 Model DU3 are visible at the front of the 2104 Model DU3. However, to see the lights on the disk drive modules that are installed in a 2104 Model TU3, open the front cover: 1. If necessary, unlock the cover by using the key provided. 2. Grip the right-hand side of the front cover, and pivot the cover to the left. Figure 5.
Figure 6. Disk Drive Module Lights Each disk drive module has two lights: 1 Activity light The Activity light, which is green, shows the following conditions: Off The SCSI link to the disk drive is not active. Flashing This disk drive module is active and a command is in progress.
Flashing (0.25 seconds on, 0.25 seconds off) The disk drive is part of an array that is being rebuilt (this is a SAF-TE function). Note:SAF-TE services are not used with RS/6000 or IBM server pSeries computers.
Fan-and-Power-Supply Assembly and Fan Assembly Lights and Switch Either one or two fan-and-power-supply assemblies 1 are installed in the back of a 2104 Model DU3 or TU3. The power switch and lights are visible at the back of the 2104. Figure 7. Fan-and-Power-Supply Assemblies in a 2104 Model TU3 (Left) and 2104 Model DU3 (Right) Chapter 1.
Figure 8. Fan-and-Power-Supply Assembly Lights and Switch A fan-and-power-supply assembly has the following lights and switch: AC PWR light 1 The AC PWR light, which is green, comes on when the mainline power supply is connected to the fan-and-power-supply assembly. DC PWR light 2 The DC PWR light, which is green, comes on when this fan-and-power-supply assembly is supplying power to the 2104.
v Either the power control switch on the switch card is set to on, or terminator power is active in an external SCSI connection. Figure 9. Fan Assembly A fan assembly has one light: CHK light 1 The CHK light, which is amber, flashes when the fan fails. Chapter 1.
SCSI Interface Card Lights Up to two SCSI interface 1 cards can be installed in the back of a 2104. Figure 10.
An SCSI interface card has the following lights: Figure 11. SCSI Interface Card Assembly Lights TERM POWER light 1 The TERM POWER light, which is green, is lit when an active SCSI connection is present. LVD/SE light 2 The LVD/SE light indicates the type of host SCSI cable. It is green, and when lit indicates an active Low Voltage Differential (LVD) SCSI connection. If this light is off and the TERM POWER light is on, there is an active single-ended (SE) SCSI connection.
Switch Card A Switch Card 1 is installed in the back of a 2104. Figure 12.
Refer to Figure 13 to identify the switches on the switch card. Figure 13. Switch Card The switch card contains the following switches that are accessible to the operator. Note: The ″default logical setting″ of a switch is the setting that is used if the switch card assembly is not present when the 2104 is switched on, or when a reset operation occurs. Power Control switch 1 When this switch is set to Off, the 2104 automatically switches off or on when the using system is switched off or on.
When this switch is set to On, and the Delay Motor Start Switch 5 is set to Off, the disk drive motors do not start until a START MOTOR command is issued. The timing sequence of disk motor startup is under the control of the using system software. When this switch is set to Off, and the Delay Motor Start Switch 5 is set to On, the disk drives are set to Delay Motor Start mode.
The switch card has other switches that are accessible only when the switch card is removed from the 2104. They should only be changed when the 2104 is being converted from a Model DU3 to a Model TU3, or from a Model TU3 to a Model DU3. SCSI Address switch 7 When this switch is set to Off, which is its default setting in a 2104 Model DU3, the SCSI addresses of the disk drives are 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, from left to right. When the switch is set to On, these addresses are reversed.
Identifying 2104 Disk Enclosures The Box ID switch on the switch card is a 10-position rotary switch that indicates the ID of the 2104. Its setting is used by the SES Inquiry command or the SAF-TE buffer 1 command. Labels are supplied with the 2104 to enable the operator to identify each 2104. It is recommended that the label that represents the ID set by the Box ID switch is attached to the front of the 2104.
Identifying Disk Drive Modules You can identify a disk drive module by the serial number that appears on a label 1 on the front of the module: Figure 14. Disk Drive Module Label This label also shows the size of the disk drive. Each disk drive module also has a SCSI address that is related to its position in the 2104. The addresses used are 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13 and 14.
Security On the 2104 Model TU3, a lock 1 on the front cover provides physical security for the disk drives. You do not need to remove this cover during normal operations. If you lock the cover, it cannot be opened for servicing without the use of the key. You do not need to lock the cover for it to stay closed. The 2104 Model DU3 has no cover or lock. Figure 15.
Ordering Cover Lock Keys Figure 16. Cover Lock Keys For protection against unauthorized key duplication, the cover lock is a high-security lock. Keys (see Figure 16) for these locks are a factory-restricted series and duplicate keys are not available through normal commercial channels. The serial number of the lock is stamped on each key. Make a note of this number. The additional key supplied, and your note of its number, should be stored in separate secure areas.
24 2104 Models DU3 and TU3 Operator’s Guide
Chapter 2. Adding Disk Drive Modules This chapter describes how to add disk drive modules to a 2104 that is already installed as part of your system. You can do this only if: 1. You are authorized by your organization. 2. You have the correct disk drive module. Refer to Figure 17. This disk drive module has, at the front, a handle 1 that can be pulled upward to open. The disk drive module should also be the correct size.
After you have added a disk drive module to a 2104, you must add it into your system software configuration by using the system programs. Refer to “Appendix A. Operating with RISC Systems” on page 81.
Before Adding a Disk Drive Module 1. Identify the slot for the new disk drive module by using the configuration planning information for your system. A dummy disk drive module should be in the slot. Refer to Figure 18. Figure 18. Dummy Disk Drive Module Use the SCSI Device Identification and Removal service aid to set the disk drive slot to Insert. If you then remove the dummy disk drive module from the identified slot, an amber light on the backplane should be visible.
2. If you are adding a disk drive module into a 2104 Model TU3, open the front cover of the unit: a. If necessary, unlock the cover using the key provided. b. Grip the right-hand side of the cover and pivot the cover to the left. Figure 19.
To Add a Disk Drive Module The diagrams in the following instructions show a 2104 Model DU3. The steps for adding a disk drive module into a 2104 Model TU3 are the same, but the parts are turned through 90 degrees. 1. Pull the dummy module out of the 2104. Figure 20. Removing a Dummy Module Attention: Do not leave the slot empty for more than 30 minutes. If you do, the 2104 and its disk drive modules might overheat and be damaged. Chapter 2.
2. With one hand supporting the base of the disk drive module and the other hand holding the handle 1 , insert the module and push it into the slot. When the handle touches the front surface of the enclosure, the module stops. However, the module is not yet fully home. Figure 21.
3. While continuing to push the disk drive module into the slot, slowly close the handle 1 until it stops with a click. This action pushes the module fully home. Attention: The fans might decrease in speed. Figure 22. Closing the Handle of a Disk Drive Module 4. Verify that the disk drive module that you have just installed is aligned with the sides of the 2104, and that there is no gap between this module and the modules that are next to it.
5. If the amber check light 2 comes on, first verify that the new disk drive module has been correctly installed, and then run diagnostics in Problem Determination mode to check the error log. See “Appendix A. Operating with RISC Systems” on page 81. Note: The green activity light 1 does not come on until disk activity begins. Figure 23.
6. If you have just added a disk drive module to a 2104 Model TU3, close the cover and, if required, lock it with the key provided. Figure 24. Closing the Cover of a 2104 Model TU3 7. Add the new disk drive module into your system software configuration, using the system programs. Refer to “Appendix A. Operating with RISC Systems” on page 81. Chapter 2.
34 2104 Models DU3 and TU3 Operator’s Guide
Chapter 3. Exchanging FRUs This chapter describes what to do if you need to exchange a Field Replaceable Unit (FRU) of your 2104 Model DU3 or TU3. A disk drive module, a fan-and-power-supply assembly, a fan assembly, a SCSI interface card, a switch card, and a SCSI bus bridge card are all FRUs in the 2104 Model DU3 or TU3.
Exchanging Disk Drive Modules Sometimes, you can exchange a faulty disk drive module without the assistance of a service representative. You can do this only if: v You are authorized by your organization. v You have the correct disk drive module. Refer to Figure 25. This disk drive module has, at the front, a handle 1 that can be pulled upward to open. The disk drive module should also be the correct size. The size of a disk drive module is shown on a label 2 at the front of the disk drive module.
Before Exchanging a Disk Drive Module 1. Use the system error log to identify the faulty disk drive module. “Appendix A. Operating with RISC Systems” on page 81 describes how to do this if you have a RISC-based system. 2. Find the failing disk drive module by using the location code supplied in the error log. 3. Use the SCSI Device Identification and Removal service aid to set Remove on the failing disk drive module. (“Appendix A.
To Exchange a Disk Drive Module 1. If the failing disk drive module is in a 2104 Model TU3, open the front cover of the 2104: a. If necessary, unlock the cover, using the key provided. b. Grip the cover at the right and pivot it to the left. Figure 26.
The diagrams in the following instructions show a 2104 Model DU3. The steps for exchanging a disk drive module in a 2104 Model TU3 are the same, but the parts are turned through 90 degrees. 2. Pull upward on the trigger 1 and pull outward the handle 2 of the failing disk drive module. This action moves the module partly out of the slot. Wait for about 20 seconds to allow the disk drive motor time to spin down. Figure 27. Opening the Disk Drive Module Handle Chapter 3.
3. Carefully pull the module out of the 2104. Support the module with your other hand as you take it from the 2104. Figure 28. Removing a Disk Drive Module Attention:The fan speed might increase. Do not leave the slot empty for more than 30 minutes. If you do, the 2104, and its disk drive modules, might overheat and be damaged.
4. With one hand supporting the base of the replacement module and the other hand holding the handle 1 , insert the module and push it into the slot. When the handle touches the front surface of the enclosure, the module stops. Note that the disk drive module is not yet fully home. Figure 29. Inserting a Disk Drive Module Chapter 3.
5. While continuing to push the disk drive module into the slot, slowly close the handle 1 until it stops with a click. This action pushes the module fully home. Attention:The fans might decrease their speed. Figure 30. Closing the Handle 6. Verify that the disk drive module that you have just installed is aligned with the sides of the 2104 and there is no gap between this module and the modules that are next to it.
7. If the amber check light 2 comes on, first verify that the new disk drive module has been correctly installed, then run diagnostics in Problem Determination mode to check the error log. See “Appendix A. Operating with RISC Systems” on page 81. Note: The green activity light 1 comes on for about one second after the disk drive module has been installed. The light then goes out and comes on again only when disk I/O activity begins. Figure 31. Disk Drive Module Lights Chapter 3.
8. If you have exchanged a disk drive module in a 2104 Model TU3, close the cover and, if required, lock it with the key provided. Figure 32. Closing the Cover of a 2104 Model TU3 9. Restore the disk drive module into your system, using the system programs. Refer to “Appendix A. Operating with RISC Systems” on page 81.
Exchanging a Fan-and-Power-Supply Assembly You can exchange a faulty fan-and-power-supply assembly if: v You have a correct spare fan-and-power-supply assembly or fan assembly. v Another fan-and-power-supply assembly is still present in the 2104. Note: If your 2104 contains just one fan-and-power-supply assembly (and one fan assembly), refer to Expandable Storage Plus: 2104 Models DU3 and TU3 Service Guide for more guidance about replacing the fan-and-power-supply assembly. Figure 33.
To Exchange a Fan-and-Power-Supply Assembly Note: The illustrations in the following instructions show a 2104 Model DU3. The steps for exchanging a fan-and-power-supply assembly in a 2104 Model TU3 are the same, but the parts are turned through 90 degrees. 1. Set the DC On/Standby switch 1 on the fan-and-power-supply assembly to Standby. Figure 34. Fan-and-Power-Supply DC On/Standby Switch Note: The DC PWR light might stay on for a short time. Wait until it is off before you go to the next step.
2. Unplug the mainline power cable from the failing fan-and-power-supply assembly. Figure 35. Unplugging the Mainline Power Cable CAUTION: Ensure that the mainline power cable has been removed from the failing fan-and-power-supply before continuing. Chapter 3.
3. Unscrew the two thumbscrews on the fan-and-power-supply assembly. Figure 36.
4. Pull the fan-and-power-supply assembly from the 2104. The speed of the other fan in the 2104 might increase. Figure 37. Removing the Fan-and-Power-Supply Assembly Attention: Do not leave the space empty for more than 30 minutes; if you do, the 2104, and the disk drive modules, might overheat and be damaged. CAUTION: Do not insert hands or tools into the empty space where the fan-and-power-supply assembly was. Chapter 3.
5. Push the replacement fan-and-power-supply assembly fully into the 2104. Figure 38. Inserting a Replacement Fan-and-Power-Supply Assembly DANGER Do not plug a power cable into the fan-and-power-supply assembly until the assembly is fully home and its thumbscrews are fully tightened.
6. Tighten the two thumbscrews by turning them clockwise. Figure 39. Tightening the Screws on a Fan-and-Power-Supply Assembly Chapter 3.
7. Plug the mainline power cable into the new fan-and-power-supply assembly. Verify that the green AC PWR light 1 comes on immediately. Figure 40.
8. Set the DC On/Standby switch 1 on the new fan-and-power-supply assembly to On. Note: The fan speeds might decrease. Figure 41. Fan-and-Power-Supply DC On/Standby Switch Chapter 3.
9. Verify that the green DC PWR light 1 comes on within five seconds. If it does not, or the amber CHK light 2 comes on, verify that the new fan-and-power-supply assembly is correctly installed. If it is, report the problem to your service representative. Figure 42.
Exchanging a Fan Assembly You can exchange a faulty fan assembly if: v You have a correct spare fan assembly. v Another fan-and-power-supply assembly is present in the 2104. Figure 43. Fan Assembly You do not need to remove power from the 2104 when exchanging a fan assembly. Before Exchanging a Fan Assembly v Look at the Check light on this fan assembly (see “Fan-and-Power-Supply Assembly and Fan Assembly Lights and Switch” on page 11).
To Exchange a Fan Assembly The diagrams in the following instructions show a 2104 Model DU3. The steps for exchanging a fan assembly in a 2104 Model TU3 are the same, but the parts are turned through 90 degrees. 1. Verify that the amber CHK light 1 is flashing. Figure 44.
2. Unscrew the two thumbscrews. Figure 45. Unscrewing the Thumbscrews on a Fan Assembly Chapter 3.
3. Pull the fan assembly from the 2104. Note: The speed of the other fan in the 2104 might increase. Figure 46. Pulling out a Fan Assembly Attention: Do not leave the space empty for more than 30 minutes; if you do, the 2104, and its disk drive modules, might overheat and be damaged. CAUTION: Do not insert hands or tools into the empty fan assembly opening.
4. Push the replacement fan assembly fully into the 2104. Note: The speed of the other fan in the 2104 might decrease. Figure 47. Inserting a Fan Assembly Chapter 3.
5. Tighten the two thumbscrews. Figure 48.
6. Verify that the amber CHK light 1 is off. Figure 49. Fan Assembly Light Chapter 3.
Exchanging a SCSI Interface Card Assembly Attention: The SCSI interface card is sensitive to electrostatic discharge (ESD). Use the tools and procedures defined by your organization to protect such parts. You can exchange a faulty SCSI interface card assembly if: v You are authorized by your organization. v You have a correct spare SCSI interface card assembly. Figure 50. SCSI Interface Card Assembly You do not need to remove power from the 2104 when exchanging an SCSI interface card assembly.
Before Exchanging the SCSI Interface Card Assembly Check the lights on the SCSI interface card. If the FAULT light is on, exchange the SCSI interface card assembly using the procedure in the following section. Figure 51. FAULT Light on an SCSI Interface Card Assembly Chapter 3.
To Exchange a SCSI Interface Card Assembly The diagrams in the following instructions show a 2104 Model DU3. The steps for exchanging a SCSI interface card assembly in a 2104 Model TU3 are the same, but the parts are turned through 90 degrees. 1. Unscrew and unplug the SCSI cable. Figure 52.
2. Unscrew the thumbscrew 1 on the failing SCSI interface card. Figure 53. Unscrewing the SCSI Interface Card Chapter 3.
3. Open the lever fully by moving it to the right. This action unplugs the card assembly from the backplane. Figure 54.
4. Pull the SCSI interface card assembly out of the 2104. Figure 55. Pulling the SCSI Interface Card Out CAUTION: Do not insert hands or tools into the empty space above the fan-and-power-supply assembly. Chapter 3.
5. Push the replacement SCSI interface card assembly into the 2104. Figure 56.
6. Move the lever to the left. CAUTION: As you push the assembly fully home, the lever automatically moves towards its closed position. Ensure that your fingers do not become pinched between the lever and the assembly. Figure 57. Closing the Lever Chapter 3.
7. Tighten the thumbscrew. Figure 58.
8. Plug the SCSI connector into the SCSI interface card, and tighten the retaining screws. Figure 59. Plugging in the SCSI Cable Chapter 3.
9. Check that the green TERM POWER light 1 comes on within five seconds. It indicates that the TERM POWER from a host bus adapter is activated. If it does not, check that the new SCSI interface card has been correctly installed. Figure 60.
Exchanging the Switch Card Assembly Attention: The switch card is sensitive to electrostatic discharge (ESD). Use the tools and procedures defined by your organization to protect such parts. You can exchange a faulty switch card assembly if: v You are authorized by your organization. v You have a correct spare switch card assembly. Figure 61. Switch Card You do not need to remove power from the 2104 when exchanging the switch card. Before Exchanging the Switch Card Assembly Notes: 1.
To Exchange the Switch Card Assembly The diagrams in the following instructions show a 2104 Model DU3. The steps for exchanging the switch card assembly in a 2104 Model TU3 are the same, but the parts are turned through 90 degrees. 1. Unscrew the thumbscrew 1 on the failing switch card assembly. Figure 62.
2. Pull the lever up. This action unplugs the switch card assembly from the backplane. Figure 63. Opening the Lever Note: If the 2104 is switched on, it might switch off when you unplug the switch card assembly. Chapter 3.
3. Pull the switch card assembly out of the 2104. Figure 64. Remove the Switch Card CAUTION: Do not insert hands or tools into the empty space between the power supply assemblies.
4. Push the replacement switch card assembly into the disk enclosure. Figure 65. Pushing the Switch Card Assembly into the 2104 Chapter 3.
5. Push the lever down. Figure 66.
6. Tighten the thumbscrew. Figure 67. Tightening the Thumbscrew Chapter 3.
Reporting Problems When you report a problem that has occurred in a 2104, it is important that you report the following information, in addition to the error information (the SRN) given to you by your operating system: The machine type number 2104 The machine model number DU3 or TU3 The machine serial number xx-xxxxx The serial number can be read from the label at the bottom right of the front of the 2104, or from the label on the back of the 2104.
Appendix A. Operating with RISC Systems This appendix contains information that is specific to Expandable Storage Plus disk enclosures that are attached to RISC systems.
See “Location Codes” in the operator guide for your system for general information about location codes. Problem Determination For some problems, your system diagnostics tell you to check the lights on the system to determine which part, if any, has a fault. “Controls and Lights” on page 7 of this book shows the position of the lights. The diagnostic programs tell you what to report to your service representative. (“Reporting Problems” on page 80 describes other information you should report.
Appendix B. Translated Safety Notices This appendix contains the danger and caution notices that are used in the various books relating to the Expandable Storage Plus: 2104 Models DU3 and TU3. The notices are shown in English and in various other languages. Danger notice A danger notice calls attention to a situation that is potentially lethal or extremely hazardous to people.
Caution Notices CAUTION: This unit may have two linecords. To remove all power, disconnect both linecords. CAUTION: This unit weighs 38.5 kg. CAUTION: Do not remove cover, do not service, no serviceable parts. CAUTION: Double pole/neutral fusing CAUTION: A ″Standby″ condition is indicated by the symbol to the right of ″DC″ directly above the switch, SW1. When SW1 is toggled to the right position directly under the ″Standby″ symbol, the unit’s AC-power is not shut off.
CAUTION: Do not insert hands or tools into the empty space that contained the fan-and-power-supply assembly. CAUTION: Do not insert hands or tools into the empty space that contained the switch card assembly. CAUTION: Do not insert hands or tools into the empty space that contained the SCSI interface card assembly. CAUTION: This product is equipped with a 3-wire power cable and plug for the user’s safety.
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Index A AC PWR light, fan-and-power- supply assembly Active light SCSI interface card 15 Active light, SCSI interface card 15 activity light, disk drive module 9 12 15 I identifying disk drive modules interface card lights 14 B Box ID switch interface card Fault light SCSI interface card 15 Fault light, SCSI interface card 21 K 18 keys, reordering 23 C L check light disk drive module 9 disk enclosure 7 fan assembly 13 power supply assembly 12 check light, power supply assembly configurations d
problems (continued) reporting 80 R Reset light SCSI interface card 15 Reset light, SCSI interface card 15 Rotary switch interface card 18 S SCSI Address switch switch card 19 SCSI Bus Split switch switch card 19 SCSI Cable type SCSI interface card 15 SCSI Interface Card exchanging security 62 22 Select Enclosure Services switch switch card 18 Select Enclosure Services switch, interface card serial number, machine 18 80 Subsystem configuration 2, 5 controls 7 lights 7 power control 7 tu
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