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IBM 2104 Model DS4 Installation Manual

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2104 Model DS4 Installation Guide
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This product contains software that is licensed under written license agreements. Your use of such software is subject to
the license agreements under which they are provided.
GA22-1053-00

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  Summary of Contents for IBM 2104 Model DS4

  • Page 1 Expandable Storage Plus 2104 Model DS4 Installation Guide Read Before Using This product contains software that is licensed under written license agreements. Your use of such software is subject to the license agreements under which they are provided. GA22-1053-00...
  • Page 3 Expandable Storage Plus 2104 Model DS4 Installation Guide GA22-1053-00...
  • Page 4 Before using this information and the product it supports, read the general information under “Notices” on page 59. First Edition (October 2003) © Copyright International Business Machines Corporation 2003. All rights reserved. US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
  • Page 5: Table Of Contents

    How to send your comments ....xxx Installing a 2104 Model DS4 ....1 Installing a 2104 Model DS4 into a rack .
  • Page 6 Invalid configurations ..... . . 52 Two adapters in one host system connected to one 2104 Model DS4 ..52...
  • Page 7: Figures

    Figures 1. 2104 Model DS4 label ......xii 2. Linecord caution label ......xii 3.
  • Page 8 (dual-bus mode) ....... 51 57. Two adapters in one host system connected to one 2104 Model DS4 (single-bus mode) ..52 58.
  • Page 9: Tables

    Tables Valid configurations ......37 © Copyright IBM Corp. 2003...
  • Page 10 Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 11: Safety And Environmental Notices

    For translations of the danger and caution notices, see Expandable Storage Plus 2104 Model DS4 and Model TS4 Translated Safety Notices, SC26-7558. The notices are listed in numeric order based on their IDs, which are displayed in parentheses, at the end of each notice.
  • Page 12: Electrostatic Discharge (Esd)

    Before you install a new part, touch the static-protective package that contains the part against an unpainted metal part of the 2104 Model DS4 or host system for at least 2 seconds. This reduces the static electricity in the package and in your body.
  • Page 13: Inspecting The 2104 Model Ds4

    Internal machine checks Perform the following internal machine checks: 1. Check for any non-IBM changes that might have been made to the machine. If any are present, obtain the “Non-IBM Alteration Attachment Survey” form, number R009, from the IBM branch office. Complete the form, and return it to the branch office.
  • Page 14: Safety Label Checks

    Safety label checks Perform the following safety label checks: 1. Verify that the label is installed on the 2104 Model DS4. See Figure 1. SC000274 Figure 1. 2104 Model DS4 label 2. Verify that the linecord caution label is installed on the 2104 Model DS4 power supply.
  • Page 15: Power Supply Cover Caution Label

    CAUTION: Do not remove cover, do not service, no serviceable parts. (2) Figure 3. Power supply cover caution label 4. Verify that the fusing caution label is installed on the 2104 Model DS4 power supply. See Figure 4. CAUTION: Double Pole/Neutral Fusing. (3) Figure 4.
  • Page 16: Model Ds4 Weight Label

    32 Kg (70.5 lbs). You must remove at least six drives from the 2104 Model DS4 before you lift it or install it into a rack or 2104 Model TS4. This reduces the total weight to less than 32 Kg (70.5 lbs) and the 2104 Model can then be safely handled by two people.
  • Page 17: Checking The Grounding Of The 2104 Model Ds4

    Use an ohm meter to connect one lead to the 2104 Model DS4 chassis and the other lead to the third wire ground pin at the face of the power connectors that you unplugged in step 2.
  • Page 18 If you are servicing a 220-volt 2104 Model DS4, go to step 5. If you are servicing a -48 volt 2104 Model DS4, go to step 7. 5. Check for continuity between the chassis of the 2104 Model DS4 and the ground pin 1 of the power connector on each fan-and-power-supply assembly.
  • Page 19 If you are servicing a 220-volt 2104 Model DS4, go to step 10. If you are servicing a -48 volt 2104 Model DS4, see the installation document for the rack or host system to isolate the fault. Perform the complete grounding check again.
  • Page 20: Removing Power From A 2104 Model Ds4

    Removing power from a 2104 Model DS4 Note: Unless you have a particular reason to do so, do not remove power from the host system or from the 2104 Model DS4 unless the instructions that you are following tell you to.
  • Page 21 (UPS) unit is still switched on. (1) Remove the power cables 2 from the back of the 2104 Model DS4. See Figure 10 on page xviii. 4. Perform the following steps to return power to the 2104 Model DS4: a.
  • Page 22: Danger Notices

    (4) DANGER During an electrical storm, do not disconnect cables for display stations, printers, telephones, or station protectors for communication lines. (5) Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 23: Caution Notices

    Caution notices CAUTION: This unit might have two linecords. To remove all power, disconnect both linecords. (1) Figure 11. Linecord caution label CAUTION: Do not remove cover, do not service, no serviceable parts. (2) Figure 12. Power supply cover caution label CAUTION: Double Pole/Neutral Fusing.
  • Page 24: Model Ds4 Weight Label

    32 Kg (70.5 lbs). You must remove at least six drives from the 2104 Model DS4 before you lift it or install it into a rack or 2104 Model TS4. This reduces the total weight to less than 32 Kg (70.5 lbs) and the 2104 Model can then be safely handled by two people.
  • Page 25 CAUTION: This unit weighs between 32 Kg - 55 Kg (70.5 lbs - 121.2 lbs). (5) 32 - 55 Kg (70.5 - 121.2 lbs) SC000219 Figure 15. 2104 Model TS4 weight label CAUTION: The provided cardboard lifting tool is required for moving, installing, and relocating the product when fully populated.
  • Page 26 The stabilizer must be correctly attached to the bottom front of the rack to prevent the rack from tipping forward while the 2104 Model DS4 is being removed from the rack. Do not pull out or install any unit if a stabilizer is not attached to the rack.
  • Page 27 (15) CAUTION: Do not use the handles of the fan or fan-and-power-supply assemblies to carry the 2104 Model DS4. These handles are not intended to support the weight of the unit. (16) Safety and environmental notices...
  • Page 28 (20) CAUTION: If the 2104 Model DS4 is installed in a Model T00 or T42 rack, you must also observe the safety notices for those racks before you start to remove the frame assembly. You can find the safety notices in the section about system...
  • Page 29: Environmental Notices And Statements

    Make sure that the system or rack into which the 2104 Model DS4 will be installed is also designed and certified for customer setup. If they are not, then the 2104 Model DS4 must be installed by a CE. (26) CAUTION: The 2104 Model TS4 is designed to be installed by the customer and is certified as customer setup.
  • Page 30 Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 31: About This Document

    Interface (SCSI) disk enclosure. Additional information This section contains the following information: v A list of the documents in the 2104 Model DS4 and Model TS4 library v A list of the related documents v The available Web sites v Information about how to send your comments...
  • Page 32: Web Sites

    Fill out the Readers’ Comments form (RCF) at the back of this document and return it by mail or fax (1-800-426-6209) or give it to an IBM representative. If the RCF has been removed, you can address your comments to:...
  • Page 33: Installing A 2104 Model Ds4

    – 2104 Model DS4 configuration information If the 2104 Model DS4 is installed in the rack: v Go to “Connecting the 2104 Model DS4 to the power source” on page 27 if the power cables for the 2104 Model DS4 are not connected.
  • Page 34: Installing A 2104 Model Ds4 Into A Rack

    IBM Eserver pSeries rack. Checking the items for a 2104 Model DS4 Ensure that you have received all the parts required for your 2104 Model DS4. See Figure 17. Note: If your 2104 Model DS4 has only one fan-and-power-supply assembly, only one power cable is supplied.
  • Page 35: Preparing The Rack (System Or Expansion)

    2104 Model DS4 in the rack. Notes: a. If you are installing the 2104 Model DS4 into an empty rack, install it into the lowest available position so that the rack does not become unstable.
  • Page 36 Fully tighten the front and back rail screws. m. Fully tighten the four adjustment screws 4 . 5. Go to “Removing the disk drive modules and dummy disk drive modules” on page 5. Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 37: Removing The Disk Drive Modules And Dummy Disk Drive Modules

    32 Kg (70.5 lbs). You must remove at least six drives from the 2104 Model DS4 before you lift it or install it into a rack or 2104 Model TS4. This reduces the total weight to less than 32 Kg (70.5 lbs) and the 2104 Model can then be safely handled by two people.
  • Page 38: Disk Drive Modules That Show The Position Of The 2104 Model Ds4 Serial Number Label

    Disk drive modules have a serial number label 1 . Figure 20 shows the label on the 2104 Model DS4. This label carries the last 8 to 10 digits of the serial number of the disk drive, and also the disk drive type (SCSI) and capacity (for example, 36.4 GB).
  • Page 39: Opening The Handle Of A Disk Drive Module

    2. Press the blue latch 1 , and pull the handle 2 fully up. See Figure 21. This action pulls the disk drive module partially out of its slot. SC000923 Figure 21. Opening the handle of a disk drive module Installing a 2104 Model DS4...
  • Page 40: Removing A Disk Drive Module

    3. Grip the handle 1 , and carefully pull the disk drive module. See Figure 22. As the module comes out, put one hand under its base to prevent it from falling. SC000317 Figure 22. Removing a disk drive module Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 41: Disk Drive Module On Its Side For Safe Storage

    Note: Keep the removed disk drive modules in the sequence they were in before you removed them from the 2104 Model DS4. 5. Repeat step 2 through step 4 for each disk drive module. Ensure that you remove all the disk drive modules from the 2104 Model DS4. Installing a 2104 Model DS4...
  • Page 42: Removing A Dummy Disk Drive Module

    6. You might also want to remove the dummy disk drive modules. See Figure 24. A dummy disk drive module has a simple handle. There is no latch to pull up. SC000925 Figure 24. Removing a dummy disk drive module Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 43: Installing The 2104 Model Ds4 Into The Rack

    32 Kg (70.5 lbs). You must remove at least six drives from the 2104 Model DS4 before you lift it or install it into a rack or 2104 Model TS4. This reduces the total weight to less than 32 Kg (70.5 lbs) and the 2104 Model can then be safely handled by two people.
  • Page 44: Installing The Front Mounting Screws

    Do not remove or install any unit if a stabilizer is not attached to the rack. (9) Note: If you are going to install the 2104 Model DS4 into a Model T00 or T42 rack, you must also observe the safety notices for those racks before you start.
  • Page 45: Installing The Back Mounting Screws

    Note: These are the screws identified as 6 in Figure 17 on page 2. SC000192 Figure 27. Installing the back mounting screws 5. Go to “Reinstalling the disk drive modules and dummy disk drive modules” on page 14. Installing a 2104 Model DS4...
  • Page 46: Reinstalling The Disk Drive Modules And Dummy Disk Drive Modules

    U320 S/N AK0B5863 SC000358 Figure 28. Reinstalling a 2104 Model DS4 disk drive module 3. With one hand giving support to the base of the disk drive module and the other hand holding the handle 1 , insert the disk drive module and push it into the slot.
  • Page 47: Closing The Handle Of A Disk Drive Module

    Figure 29. Closing the handle of a disk drive module 5. Verify that the disk drive module that you have just installed is aligned with the sides of the 2104 Model DS4 and that no gap exists between this module and the modules that are next to it.
  • Page 48: Reinstalling A Dummy Disk Drive Module

    7. Ensure that the 2104 Model DS4 has no empty slots. Install dummy disk drive modules if necessary. See Figure 30. SC000927 Figure 30. Reinstalling a dummy disk drive module 8. Go to “Installing the switch cover plate” on page 17.
  • Page 49: Installing The Switch Cover Plate

    Note: If the switch cover plate is already installed, you do not need to perform step 1 through step 3 on page 18. 1. Locate the hook, latch, and pins. See Figure 32 on page 18. Installing a 2104 Model DS4...
  • Page 50: Inside The Switch Cover Plate Showing The Hook, Latch, And Two Guide Pins With The Scsi Interface Card Assembly

    Figure 32. Inside the switch cover plate showing the hook, latch, and two guide pins with the SCSI Interface card assembly 2. Align the plate to the holes. 3. Plug and slide to the left until plate is latched. 4. Go to “Setting the options” on page 19. Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 51: Setting The Options

    Setting the options Perform the following steps to set the options on the 2104 Model DS4: 1. Refer to your 2104 Model DS4 configuration information for details to set the options. 2. Use a small screwdriver to rotate the Box ID rotary switch (see Figure 33) to the ID you have chosen for this 2104 Model DS4 disk enclosure.
  • Page 52: Setting The Option Switches

    7. When the power control switch 5 is set to off, the 2104 Model DS4 automatically switches off or on when the host system is switched off or on. When this switch is set to on, the 2104 Model DS4 is powered on or off by the dc on/standby switch on a fan-and-power-supply assembly.
  • Page 53: Unscrewing The Thumbscrew

    SCSI interface card-1 (left side from the rear view). You do not need to set internal switches of SCSI interface card-2 (right side) because they are ignored. a. Unscrew the thumbscrew 1 . See Figure 35. SC000357 Figure 35. Unscrewing the thumbscrew Installing a 2104 Model DS4...
  • Page 54: Opening The Lever On The Card Assembly

    Pull the lever 1 out to unplug the card assembly from the 2104 Model DS4. See Figure 36. SC000356 Figure 36. Opening the lever on the card assembly Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 55: Removing The Card Assembly

    CAUTION: Do not insert hands or tools into the space that contained the card assembly. (23) Pull the card assembly out from the 2104 Model DS4. See Figure 37. SC000355 Figure 37. Removing the card assembly Installing a 2104 Model DS4...
  • Page 56: Card Assembly Switches

    The switch is off. v Two SCSI interface cards are installed with single-bus configuration. v Two hosts are connected to the 2104 Model DS4 and both are on. When you install two SCSI Interface cards and you configure the 2104 Model DS4 for single-bus mode, an ID conflict occurs if you install a drive in the slot of SCSI ID 6.
  • Page 57: Inserting The Card Assembly

    As you push the assembly fully home, the lever automatically moves toward its closed position. Ensure that your fingers do not become pinched between the lever and the assembly. (17) Insert the card assembly into the 2104 Model DS4. See Figure 39. Push the assembly in until it stops. SC000354 Figure 39.
  • Page 58: Closing The Lever On The Card Assembly

    2104 Model DS4. See Figure 40. c. Tighten the thumbscrew 1 fully. SC000353 Figure 40. Closing the lever on the card assembly 15. Go to “Connecting the 2104 Model DS4 to the power source” on page 27. Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 59: Connecting The 2104 Model Ds4 To The Power Source

    Model DS4 to the mainline power outlet. Use only the shielded power cables that are supplied with the 2104 Model DS4. At the back of the 2104 Model DS4, plug a power cable into the mainline power connector 1 on each fan-and-power-supply assembly. See Figure 41.
  • Page 60: Checking The Power Supply Switch And Lights

    Figure 34 on page 20) is off, the green DC PWR light 3 (see Figure 42) stays off and the check light 2 stays on. It will come on when the 2104 Model DS4 is connected to the host system.
  • Page 61: Connecting The 2104 Model Ds4 To The Host System

    Connecting the 2104 Model DS4 to the host system Perform the following steps to connect the 2104 Model DS4 to the host system: 1. Refer to the 2104 Model DS4 configuration information and check how the 2104 Model DS4 is to be connected to the host system. Go to “Valid configurations”...
  • Page 62: Back Of Fully Configured 2104 Model Ds4 After Connection To The Host System

    5. Ensure that all signal cables are correctly connected. See Figure 44. An incorrect connection can prevent the 2104 Model DS4 from becoming ready. SC000286 Figure 44. Back of fully configured 2104 Model DS4 after connection to the host system Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 63: Switching On And Testing The 2104 Model Ds4

    SC000285 Figure 45. Checking the lights The 2104 Model DS4 has three lights. The green power light 1 comes on and stays on. The amber check light 2 comes on for approximately 2 seconds and goes off. The unit identity light 3 is off. See Figure 45.
  • Page 64 2104 Model DS4. If the lights are not as described here, refer to the Expandable Storage Plus: 2104 Model DS4 and Model TS4 Service Guide for help in identifying the cause of this fault. Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 65: Appendix A. Operating With Risc Systems

    Download Microcode Identifying a 2104 Model DS4 and the disk drive modules You can identify a 2104 Model DS4 and the disk drive modules installed in it by running either AIX or Linux. Note: Refer to the 2104 Interoperability Matrix link located at the following Web site to learn which versions of AIX or Linux are supported for the Expandable Storage Plus family of products.
  • Page 66: Configuring A 2104 Model Ds4 In A Suse Enterprise Server For Pseries Environment

    [enclosurenumber] is the enclosure device that was generated by the cfgmgr command (for example, [ses0], [ses1], [ses2]). Remove the ses_healthcheck job from the system cron table. Configuring a 2104 Model DS4 in a SuSE Enterprise Server for pSeries environment In general, SuSE Enterprise Server for pSeries systems are automatically configured during initial start up or restart up.
  • Page 67: Appendix B. Cable Configurations

    2104 Model DS4. A 2104 Model DS4 can be configured to support either a single SCSI bus or a dual SCSI bus. The setting of the SCSI bus split switch on the card in the 2104 Model DS4 defines which configuration is to be used.
  • Page 68 An IBM Eserver pSeries computer running Linux on pSeries uses one of the following SCSI adapters to connect to the 2104 Model DS4: v PCI-X Dual Channel Ultra320 SCSI Adapter (type number 5702, feature code 5712) v PCI-X Dual Channel Ultra320 SCSI RAID Adapter (type number 5703, feature...
  • Page 69: Summary Of Valid Configurations

    3. Bottom half of the 2104 Model TS4 and left half of the 2104 Model DS4, viewed from the front 4. Top half of the 2104 Model TS4 and right half of the 2104 Model DS4, viewed from the front...
  • Page 70: Single-Bus Mode Configurations

    For a single-bus mode configuration, the SCSI bus split switch on the card of a 2104 Model DS4 must be set to off. Each 2104 Model DS4 can be connected to one external SCSI connector on a SCSI adapter card, or to one integrated SCSI port, in a host system. If an adapter card has four external SCSI connectors, it can be connected to up to four 2104 Model DS4s.
  • Page 71: One Adapter In One Host System Connected To One 2104 Model Ds4 (Single-Bus Mode)

    2104 Subsystem Using System SCSI interface card. Note: The second SCSI interface card that is in the 2104 Model DS4 is optional. SCSI adapter of one of these types: v PCI Dual-Channel Ultra3 SCSI Adapter (type number 4-Y, feature code 6203)
  • Page 72: Two Adapters In One Host System Connected To Two 2104 Model Ds4S (Single-Bus Mode)

    Figure 47. Two adapters in one host system connected to two 2104 Model DS4s (single-bus mode) SCSI interface card. Note: The second SCSI interface card that is in the 2104 Model DS4 is optional. SCSI adapter of one of these types: v PCI Dual-Channel Ultra3 SCSI Adapter (type number 4-Y, feature code 6203)
  • Page 73: One Adapter In Each Of Two Host Systems Connected To Two 2104 Model Ds4S (Single-Bus Mode)

    Important: The 2104 Model DS4 configuration is not supported on the Linux operating system. Note: The SCSI address of the adapter that is connected to the 2104 Model DS4 must be different from the addresses of the installed disk drive modules.
  • Page 74: One Adapter In One Host System Connected To Two 2104 Model Ds4S (Single-Bus Mode)

    Figure 49. One adapter in one host system connected to two 2104 Model DS4s (single-bus mode) SCSI interface card. Note: The second SCSI interface card that is in the 2104 Model DS4 is optional. SCSI adapter of one of these types: v PCI Dual-Channel Ultra3 SCSI Adapter (type number 4-Y, feature code 6203)
  • Page 75: One Adapter, One Host System With Internal Raid Array, And Two 2104 Model Ds4S (Single-Bus Mode)

    Figure 50. One adapter, one host system with internal RAID array, and two 2104 Model DS4s (single-bus mode) SCSI interface card. Note: The second SCSI interface card that is in the 2104 Model DS4 is optional. SCSI adapter: v PCI-X Dual Channel Ultra320 SCSI RAID Adapter (type number 5703, feature...
  • Page 76: One Adapter In Each Of Two Host Systems Connected To One 2104 Model Ds4 (Single-Bus Mode)

    2. In each 2104 Model DS4, slots 6 and 7 (SCSI addresses 5 and 6) must contain dummy disk drive modules.
  • Page 77: Dual-Bus Mode Configurations

    For a dual-bus mode configuration, the SCSI bus split switches must be set to on. Each 2104 Model DS4 in the configuration is connected either to one external SCSI connector on an adapter card, or to an integrated SCSI port. If an adapter card has four external SCSI connectors, it can be connected to up to four 2104 Model DS4s.
  • Page 78: Two Adapters In One Non-Hacmp Host System Connected To One 2104 Model Ds4

    Figure 52 shows two adapters in one non-HACMP host system connected to one 2104 Model DS4 (dual-bus mode). Host System 2104 Subsystem Figure 52. Two adapters in one non-HACMP host system connected to one 2104 Model DS4 (dual-bus mode) SCSI interface card. SCSI or SCSI RAID adapter of one of these types:...
  • Page 79: Three Adapters In Two Non-Hacmp Host Systems Connected To Two 2104 Model Ds4S (Dual-Bus Mode)

    5703) Notes: 1. The SCSI address of the adapter that is connected to the 2104 Model DS4 must be different from the addresses of the installed disk drive modules. The SCSI address of a second adapter, which is connected to a 2104 Model DS4, can be the same address of the first adapter but must be different from the addresses of the installed disk drive modules on the same SCSI bus.
  • Page 80 2. A similar valid configuration can have two adapters, each with one external SCSI connector, instead of the adapter with two external SCSI connectors. Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 81: One Adapter In One Non-Hacmp Host System Connected To One 2104 Model Ds4 And An Internal Raid Array

    2104 Model DS4 and an internal RAID array (dual-bus mode). Host System 2104 Subsystem Figure 54. One adapter in one non-HACMP host system connected to one 2104 Model DS4 and an internal RAID array (dual-bus mode) SCSI interface card. SCSI adapter:...
  • Page 82: One Adapter In Each Of Two Non-Hacmp Host Systems Connected To One 2104 Model Ds4 (Dual-Bus Mode)

    PCI-X Dual Channel Ultra320 SCSI RAID Adapter (type number 5703, feature code 5703) Note: The SCSI address of the adapter that is connected to the 2104 Model DS4 must be different from the addresses of the installed disk drive modules. The...
  • Page 83: One Raid Adapter In Each Of Two Non-Hacmp Host Systems Connected To Two 2104 Model Ds4S (Dual-Bus Mode)

    5703) Notes: 1. The SCSI address of the adapter that is connected to the 2104 Model DS4 must be different from the addresses of the installed disk drive modules. 2. The external connectors on the SCSI RAID adapter cards and the internal RAID connector must not share a SCSI bus.
  • Page 84: Invalid Configurations

    DS4 (single-bus mode) . Host System 2104 Subsystem Figure 57. Two adapters in one host system connected to one 2104 Model DS4 (single-bus mode). This configuration is invalid. SCSI interface card. SCSI adapter. This configuration is invalid for any type of adapter.
  • Page 85: One Adapter In One Host System Connected To Two 2104 Model Ds4S Through The Scsi Interface Cards

    One adapter in one host system connected to two 2104 Model DS4s through the SCSI interface cards Figure 58 shows one adapter in one host system connected to two 2104 Model DS4s through the SCSI Interface cards. 2104 Subsystem Host System 2104 Subsystem Figure 58.
  • Page 86: One Adapter In One Host System Connected To Two 2104 Model Ds4S Through A Y-Cable (1)

    Y-cable (1). This configuration is invalid. SCSI interface card. SCSI adapter. This configuration is invalid for any type of adapter. Y-cable. Not supported for any type of adapter that is used with the 2104 Model DS4. Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 87: One Adapter In One Host System Connected To Two 2104 Model Ds4S Through A Y-Cable (2)

    One adapter in one host system connected to two 2104 Model DS4s through a Y-cable (2) Figure 60 shows one adapter in one host system connected to two 2104 Model DS4s through a Y-cable (2). 2104 Subsystem Host System 2104 Subsystem Figure 60.
  • Page 88: One Dual-Channel Non-Raid Adapter In One Host System Connected To Two 2104 Model Ds4S And Internal Disk Drives

    PCI-X Dual Channel Ultra320 SCSI adapter (type number 5702, feature code 5712). This configuration is invalid on this adapter because two internal and two external attachments that are on the same SCSI bus exceed the capacity of the adapter. Internal disk drives. Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 89: One Raid Adapter In Each Of Two Host Systems Connected To Two 2104 Model Ds4S

    One RAID adapter in each of two host systems connected to two 2104 Model DS4s Figure 62 shows one RAID adapter in each of two host systems connected to two 2104 Model DS4s. This configuration is invalid. 2104 Subsystem Host System 2104 Subsystem Host System Figure 62.
  • Page 90 Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 91: Notices

    Web sites. The materials at those Web sites are not part of the materials for this IBM product and use of those Web sites is at your own risk. IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
  • Page 92: Trademarks

    Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits. IBM is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment.
  • Page 93: European Community Compliance Statement

    IBM cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non-recommended modification of the product, including the fitting of non-IBM option cards. This product is in conformity with the EU council directive 73/23/EEC on the approximation of the laws of the Member States relating to electrical equipment designed for use within certain voltage limits.
  • Page 94: Japanese Voluntary Control Council For Interference (Vcci) Class 1 Statement

    Please note that this device has been approved for business purposes with regard to electromagnetic interference. If you find that this is not suitable for your use, you may exchange it for one with a non-business use. Taiwan class A compliance statement VS07171L Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 95: Index

    2104 Model DS4 29 safety inspections x how to send your comments xxx configurations invalid 52 valid 35...
  • Page 96 2104 2104 Model DS4 into the rack 11 Model DS4s 42 more than one 2104 Model DS4 into the rack 3 adapter in one host system connected to two 2104 setting options 19...
  • Page 97 2104 Model DS4 xviii SCSI ID assignments 37 sending your comments xxx single-bus mode configurations, valid 38 statements...
  • Page 98 Expandable Storage Plus 2104 Model DS4 Installation Guide...
  • Page 99 Thank you for your responses. May we contact you? h Yes h No When you send comments to IBM, you grant IBM a nonexclusive right to use or distribute your comments in any way it believes appropriate without incurring any obligation to you. Name...
  • Page 100 Readers’ Comments — We’d Like to Hear from You Cut or Fold Along Line GA22-1053-00 Fold and Tape Please do not staple Fold and Tape _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ NO POSTAGE NECESSARY IF MAILED IN THE...
  • Page 102 Part Number: 97P1535 Printed in USA GA22-1053-00...