SA7x Enclosure Service Manual Order Number: EK–OSA7X–SM. C01 This manual explains how to operate, maintain, troubleshoot, and repair the SA7x family of disk enclosures: the SA70, SA71, SA72, and SA73.
October 1993 While Digital believes the information included in this publication is correct as of the date of publication, it is subject to change without notice.
Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix 1 Introducing the SA7x Enclosure 1.1 1.2 1.3 1.4 1.4.1 1.4.2 1.4.3 SA7x Enclosure Overview . . . . . . . . . . . . . RA7x and SA7x Configurations . . . . . . . . . SA7x Specifications . . . . . . . . . . . . . . . . . . User Precautions . . . . . . . . . . . . . . . . . . . . Data Recovery . . . . . . . . . . . . . . . . . . .
Operating the SA7x 4.1 4.1.1 4.1.2 4.2 4.3 4.4 4.4.1 4.4.2 SA7x Switches and Indicators . . . . . . . . . . . . . . Using the Switches and Indicators . . . . . . . . Using Drive Power Switches and Indicators Using SA7x Rear Panel Switches and Indicator . Applying Power to the SA7x Enclosure . . . . . . . Placing RA7x Drives On Line and Off Line . . . . Placing a Drive On Line . . . . . . . . . . . . . . . . Taking a Drive Off Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.8.2 7.9 7.9.1 7.9.2 7.10 Installing a Power Harness . . . . . . SDI Cable Removal and Installation . . Removing an Enclosure SDI Cable . Installing an Enclosure SDI Cable . SA7x Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3–6 3–7 3–8 3–9 4–1 4–2 5–1 6–1 6–2 6–3 6–4 7–1 7–2 7–3 7–4 7–5 7–6 7–7 7–8 7–9 7–10 A–1 A–2 A–3 A–4 A–5 A–6 SA900 Mounting Rail Holes . . . . . . . . . . . . . . . . . . . . . . . . Installing the SA7x Enclosure in the SA900 . . . . . . . . . . . SA900 SDI Cable Connections . . . . . . . . . . . . . . . . . . . . . . SA900 Power Cords—SA7x Enclosures . . . . . . . . . . . . . . . SA7x Enclosure Front Panel . . . . . . . . . . . . . . . . . . . . . . . SA7x Enclosure Rear Panel . . . . . . . . . . . . . .
C–2 C–3 C–4 D–1 E–1 E–2 F–1 F–2 F–3 F–4 H9A00 External SDI Cable Part Numbers . SAxxx Assembly Part Numbers . . . . . . . . . RA7x Part Numbers . . . . . . . . . . . . . . . . . . OCP Error Codes . . . . . . . . . . . . . . . . . . . . RA7x Error Rate Table . . . . . . . . . . . . . . . . Allowable RA7x System Error Rate . . . . . . VAX Diagnostics for RA71–RA73 Drives . . Retired VAX Supervisor Programs . . . . . . . Operating Systems for RA71–RA73 Drives SDI Controllers for RA71–RA73 Drives . . . . . .
Preface The SA7x Enclosure Service Manual explains how to install, operate, troubleshoot, and perform field level repairs of the SA7x family of enclosures: the SA70, SA71, SA72, and SA73. The manual is intended for Digital Multivendor Customer Services engineers. The SA70, SA71, SA72, and SA73 enclosures are physically identical. They are differentiated only by the RA7x disk drives they contain: • The SA70 accommodates one to four RA70 disk drives (280 MB each).
Related Courses and Documentation Table 1 lists the Digital courses related to the SA7x enclosure. Table 1 Related Courses Title Order Number AC Power & Grounding EY–B730–PO DSA Architecture Level 1 Course EY–5593E–IV Electrical Safety EY–B737E–PO Electrical Safety and Lockout/Tagout Procedures EY–E038E–SO RA70/BA27 Disk Drive Maintenance Course EY–5805E–IV VAXsimPLUS Maintenance Course EY–7687E–PO Table 2 lists the documentation related to the SA7x enclosure.
1 Introducing the SA7x Enclosure This chapter is an overview of the SA7x enclosure, lists SA7x configurations and specifications, and discusses user precautions. 1.
Introducing the SA7x Enclosure 1.1 SA7x Enclosure Overview Figure 1–1 SA7x Enclosure LEFT REAR DISK DRIVE POSITION RIGHT REAR DISK DRIVE POSITION REAR COVER (NOT SHOWN) FAN TRANSITION BOARD 2 TRANSITION BOARD 1 OPERATOR CONTROL PANEL POWER SUPPLY RA70 DISK DRIVE SHOWN CHASSIS MOUNTING SCREWS FRAME DRIVE POWER SWITCH PANEL LEFT FRONT DISK DRIVE POSITION RIGHT FRONT DISK DRIVE POSITION FRONT COVER CXO-1845D_S You can combine SA7x enclosures into shadow sets.
Introducing the SA7x Enclosure 1.
Introducing the SA7x Enclosure 1.
Introducing the SA7x Enclosure 1.1 SA7x Enclosure Overview The major subassemblies of the SA7x enclosure are: • Chassis • Frame • Operator control panel (OCP) • Transition board 1 (TB1) • Transition board 2 (TB2) • Power supply • Fan assembly • Enclosure-internal cables Figure 1–1 shows the major subassemblies of the SA7x enclosure. Except for the RA70 disk drive description, Figure 1–1 is accurate for all SA7x enclosures.
Introducing the SA7x Enclosure 1.1 SA7x Enclosure Overview The fan assembly circulates cooling air throughout the frame of the SA7x enclosure. The air is drawn in through holes in the front panel on the enclosure and is exhausted through holes in the rear panel.
Introducing the SA7x Enclosure 1.2 RA7x and SA7x Configurations Storage Array: Systems and storage arrays in which the disk drive or enclosure may be installed. Table 1–3 SA7x Configurations RA70 Disk Drive RA71 Disk Drive RA72 Disk Drive RA73 Disk Drive Formatted Storage Capacity Enclosure Description SA70–HK Field add-on SA550/SA650/SA8501 120-240 Vac, 50-60 Hz 2 0 0 0 0.56 GB SA70–JK Field add-on SA550/SA650/SA8501 120-240 Vac, 50-60 Hz 4 0 0 0 1.
Introducing the SA7x Enclosure 1.2 RA7x and SA7x Configurations Table 1–3 (Continued) SA7x Configurations RA70 Disk Drive RA71 Disk Drive RA72 Disk Drive RA73 Disk Drive Formatted Storage Capacity Enclosure Description SA72–EK Field add-on SA900 120-240 Vac, 50-60 Hz 0 0 1 0 1.0 GB SA72–FK Field add-on SA900 120-240 Vac, 50-60 Hz 0 0 4 0 4.0 GB SA72–GK Factory installation SA900 120-240 Vac, 50-60 Hz 0 0 1 0 1.
Introducing the SA7x Enclosure 1.3 SA7x Specifications 1.3 SA7x Specifications Recommended environmental limits for operating the SA7x enclosure are listed in Table 1–4. General specifications for the SA7x enclosure are shown in Table 1–5. Caution For the SA7x enclosure and installed RA7x disk drives to perform at the optimal level and maintain high reliability, they should be used in environments recommended in the following tables.
Introducing the SA7x Enclosure 1.3 SA7x Specifications Table 1–5 (Continued) SA7x Enclosure Specifications Characteristic Specification Operating temperature +10° C to +40° C (+50° F to +104° F). Derate 1.8° C for each 1,000 m altitude or 1.0° F for each 1,000 ft altitude.
Introducing the SA7x Enclosure 1.4 User Precautions 1.4.2 Recommended Operating Temperature The SA7x enclosure and its installed drives can operate within a temperature range of +10° to +40° C (+50° to +104° F). However, Digital recommends that the enclosure and its drives be operated in a temperature range of +18° to +24° C (+64° to +75° F) to increase reliability and product life.
Introducing the SA7x Enclosure 1.
2 SA7x Technical Description This chapter describes the following major components of the SA7x enclosure: • Chassis • Frame • Fan assembly • Operator control panel (OCP) • Transition board assembly (TB1 and TB2) • Power supply • Enclosure-internal cabling Figure 2–1 shows the SA7x enclosure with RA70 disk drives. The SA71, SA72, and SA73 enclosures are virtually identical; they all have either an RA71, RA72, or RA73 disk drive installed. 2.
SA7x Technical Description 2.
SA7x Technical Description 2.2 SA7x Frame 2.2 SA7x Frame The SA7x frame is made of plated steel panels fastened together with rivets. Acoustic panels cover the sides of the frame. Internal cabling for the enclosure is routed down the sides of the frame inside the acoustic panels. Four rails, located on each side of the frame, slide on surfaces inside the chassis. In its closed position, the frame is secured to the chassis with four mounting screws on the front cover.
SA7x Technical Description 2.
SA7x Technical Description 2.3 SA7x Fan Assembly 2.3 SA7x Fan Assembly The SA7x fan assembly consists of an axial fan mounted in a case. The fan assembly slides into a recess in the center portion of the frame and is secured with four mounting screws, as shown in Figure 2–3. Connector J1 on TB2 supplies +12.6 Vdc to the fan. Other fan-related signals in this connector include the fan control signal to the fan and the fan rotation sensor signal from the fan.
SA7x Technical Description 2.4 SA7x OCP and Transition Board Assembly 2.4 SA7x OCP and Transition Board Assembly The OCP consists of a plastic bezel, an electronic emissions (EMI) shield, a plastic retainer, and a three-module circuit board set. The OCP assembly is designed to be a one-piece field replaceable unit (FRU). An associated transition board assembly is fastened to the SA7x frame.
SA7x Technical Description 2.4 SA7x OCP and Transition Board Assembly Note The supply voltage to the fan does not change when the fan speed is changed. Rather, the presence or absence of a control signal to the fan produces the two-speed operation. A fan rotation signal from the fan assembly is processed on TB2 and sent to the power supply as ‘‘fan OK.’’ When the fan OK signal is lost, or when abnormal ambient air temperature in the enclosure is detected, logic in the power supply shuts down the enclosure.
SA7x Technical Description 2.4 SA7x OCP and Transition Board Assembly Figure 2–4 SA7x Enclosure Front Panel and OCP PORT SWITCHES PORT SWITCHES U n i t Se l e ct LEFT REAR Run Fault/ Ready Set No. Unit No. Wr i t e Protect A B Run Ready Fa u l t/ Unit No. Se t N o .
SA7x Technical Description 2.4 SA7x OCP and Transition Board Assembly Figure 2–5 OCP, Transition Board Assembly, and Associated Circuits Block Diagram STATUS LINES TYPICAL DISK DRIVE (A) DRIVE STATUS INDICATORS CONTROL LINES ACOK A TRANSITION BOARD 2 TRANSITION BOARD 1 UNIT NUMBER DISPLAY AND DRIVER +12.6V FAN ASSEMBLY FAN CONTROL SWITCHES FAN ROT AMBIENT AIR TEMP SENSOR TYPICAL CONTROL/ INDICATOR SET ON OCP +12.
SA7x Technical Description 2.5 SA7x Power Supply 2.5 SA7x Power Supply The power supply slides into the chassis between tabs on its upper case and a ridge on its lower case, as shown in Figure 2–6. An interface connector on the power supply plugs into a self-aligning connector inside the enclosure frame. Mounting screws on the rear panel of the power supply secure it in the frame of the enclosure.
SA7x Technical Description 2.5 SA7x Power Supply Figure 2–6 SA7x Enclosure Rear Panel and Power Supply SDI INTERFACE CONNECTOR PORT B REAR BULKHEAD PORT B SILK SCREEN SDI INTERFACE CONNECTOR PORT A REAR COVER OVERTEMPERATURE INDICATOR (BEHIND PANEL) PORT A SILK SCREEN MOUNTING SCREW POWER SUPPLY TABS MOUNTING SCREW LINE VOLTAGE CONNECTOR LINE VOLTAGE SELECTOR SWITCH (BEHIND PANEL) MASTER ON/OFF SWITCH CXO-2658C The following discussion is based on the block diagram in Figure 2–7.
SA7x Technical Description 2.5 SA7x Power Supply The individual regulators are enabled or disabled by the control lines A through D. These lines are connected to the dc drive power switches on the front panel. Setting a switch controls both the +5.1 Vdc and +12.1 Vdc outputs for each drive. The overcurrent protection circuit allows a short circuit to be present at any one, or all, of the outputs for an unlimited time without permanent damage to the supply.
SA7x Technical Description 2.5 SA7x Power Supply Figure 2–7 Power Supply Block Diagram LATCHED SD ENCLOSURE TEMP SENSOR (INTERNAL TO SUPPLY) OVERTEMP SHUTDOWN THERMAL CONTROL PANEL POWER OK J1 J1 +12V B SENSE B SENSE LED B BULK SENSE +5V C SENSE SD +5.6V SENSE +12.
SA7x Technical Description 2.6 SA7x Enclosure Internal Cabling 2.6 SA7x Enclosure Internal Cabling Appendix A contains a complete listing of cable origins, destinations, and pinouts. The subassemblies of the SA7x enclosure are linked through the power harness. The power harness branches to each disk drive position, to TB2, to the fan, and to the drive power switches. Each disk drive position receives +5.1 Vdc, +12.1 Vdc, and ground from the power supply.
3 Installing the SA7x This chapter is an overview of SA7x installation. This chapter also explains how to select the correct line input voltage, set drive unit numbers on the operator control panel (OCP), and perform a post-installation checkout. Instructions for installing RA7x disk drives, installing a drive position filler, and recording disk drive serial numbers are provided in Chapter 6. 3.1 SA7x Installation Overview The SA7x enclosure can be installed in a variety of storage arrays.
Installing the SA7x 3.2 Selecting Line Input Voltage 3.2 Selecting Line Input Voltage The SA7x enclosure power supply can be set to operate from either 120 Vac (60 Hz) or 220 Vac (50 Hz). Use the following procedure to set the line voltage: 1. Verify that all front panel drive power switches and the Master On/Off power switch on the rear panel of the power supply are off. 2. Locate the Line Voltage Selector switch on the power supply.
Installing the SA7x 3.3 Performing a Post-Installation Checkout and Power-Up 7. Turn on the drive power switch for one of the disk drives. This switch is shown in Figure 3–1. 8. Verify power application to the disk drive position by noting that the indicator element in the drive power switch lights. If the indicator element does not light, verify that the power supply is firmly seated in its connector. If power still does not come on, see Chapter 5.
Installing the SA7x 3.3 Performing a Post-Installation Checkout and Power-Up Figure 3–1 SA7x Enclosure Front Panel PORT SWITCHES PORT SWITCHES U n i t Se l e ct LEFT REAR Run Fault/ Ready Set No. Unit No. Wr i t e Protect A B Run Ready Fa u l t/ Unit No. Se t N o .
Installing the SA7x 3.4 Setting Drive Unit Numbers 3.4 Setting Drive Unit Numbers When you install an RA7x disk drive in an enclosure, the drive unit number DIP switches are disabled. You then set the drive unit number at the enclosure OCP as described below.
Installing the SA7x 3.4 Setting Drive Unit Numbers 3. Repeat Steps 1 and 2 until all drive unit numbers have been set. 4. Restore the OCP to normal operation by pressing the Unit Select switch. 5. When you are changing the address to correct an error condition that caused the unit select numbers to flash, you must press the drive dc power switch to turn the drive off. After the drive has spun down, press the drive dc power switch to spin up the drive and place it on line. 3.
Installing the SA7x 3.5 Installing an Add-On SA7x Enclosure in an SA900 Storage Array Figure 3–2 Storage Device Add-On Sequence for the SA900 Storage Array (Front View) 9 8 9 8 9 8 7 6 3 2 7 6 5 4 1 0 5 4 3 2 5 4 3 2 1 0 7 6 1 0 ADD-ON SEQUENCE RA9x DISK DRIVES ONLY ADD-ON SEQUENCE SA7x ENCLOSURES ONLY ADD-ON SEQUENCE MIXED RA9x DISK DRIVES AND SA7x ENCLOSURES FIRST, LOAD ALL RA9x DISK DRIVES SEQUENTIALLY. THEN, LOAD SA7x ENCLOSURES SEQUENTIALLY.
Installing the SA7x 3.
Installing the SA7x 3.5 Installing an Add-On SA7x Enclosure in an SA900 Storage Array Figure 3–4 SA900 and SA7x Chassis Retaining Brackets TB1 ATTACH RIGHT OCP ATTACH LEFT OCP SHORT SEMS PAN-HEAD SCREWS CHASSIS RETAINING BRACKET CXO-3939A-MC 3.6 Preparing the SA900 Cabinet Each SA7x enclosure is mounted in the cabinet with one guide rail plate assembly as shown in Figure 3–5. The guide rail plate is attached to the cabinet’s internal vertical uprights, and it supports the enclosure from one side.
Installing the SA7x 3.6 Preparing the SA900 Cabinet WARNING While working in the cabinet interior, ac power must be removed from cabinet components. Failure to do may result in personnel injury as a result of electric shock. Prior to performing any of the SA900 procedures, remove ac power from cabinet components. If the cabinet is installed and operating, spin down all disk drives and halt tape drives in the cabinet.
Installing the SA7x 3.7 Guide Rail Plate Installation 3.7 Guide Rail Plate Installation Two round standoffs on each end of the guide rail plate are used to locate the guide rail plate along the cabinet vertical uprights. The round standoffs are inserted into front and rear cabinet vertical upright mounting holes to position the guide rail plate while it is fastened to the cabinet.
Installing the SA7x 3.8 Left Position Guide Rail Plate Installation c. While supporting the guide rail plate against the cabinet front vertical upright, extend the mounting bracket to engage the two rear round stand-offs into hole numbers 64 and 79 on the cabinet rear vertical upright. Figure 3–6 SA900 Mounting Rail Holes d. Insert and tighten the three shoulder screws and lockwashers in mounting holes 65, 71, and 78. e.
Installing the SA7x 3.8 Left Position Guide Rail Plate Installation h. Tighten the four mounting bracket screws. 3.9 Right Position Guide Rail Plate Installation Install the guide rail plate in the right position within the cabinet as follows (refer to Figure 3–5): WARNING Cabinet vertical upright edges may be sharp and can slice or abrade skin or cable insulation. 1. Turn the cabinet power off as described in Section 3.6 2. This procedure installs an enclosure in add-on sequence position 2.
Installing the SA7x 3.9 Right Position Guide Rail Plate Installation c. While supporting the guide rail plate against the cabinet rear vertical upright, extend the mounting bracket to engage the two front round stand-offs into hole numbers 64 and 79 on the cabinet front vertical upright. Note If installing in other than position 2, insert shoulder screw in middle mounting hole. d. Insert and tighten two shoulder screws and lockwashers in mounting holes 65 and 78. e.
Installing the SA7x 3.10 Preparing the SA7X Enclosure f. Install the rear cover and insert and tighten the two rear cover captive screws (or two screws). 3. Position the guide rail inserts for a SA900 cabinet right side installation. a. Loosen the two power supply captive screws and remove the power supply. b. Remove the two lower left chassis retainer screws and remove the retainer bracket. c. Slide the lower left insert out the rear of the enclosure. d.
Installing the SA7x 3.
Installing the SA7x 3.11 Installing the SA7X Enclosure a. Check that the three enclosure connector (TB1) mounting screws are tight. b. Align the OCP with the TB1 and push until the OCP is secure. 4. Install the OCP for a SA900 cabinet right side installation. a. Loosen the two outer screws on TB1. b. Remove the center screw under Attach Left Control Panel on TB1 and slide TB1 to the left. c. Insert and tighten the center screw under Attach Right Control Panel on TB1. d.
Installing the SA7x 3.11 Installing the SA7X Enclosure Figure 3–8 SA900 SDI Cable Connections 2. Install cables from drives and enclosures on the left side of the cabinet to the left vertical I/O bulkhead; install cables from drives and enclosures on the right side of the cabinet to the right vertical I/O bulkhead, as shown in Figure 3–8.
Installing the SA7x 3.11 Installing the SA7X Enclosure 3. Connect SDI cable connectors to the Port A and Port B connections on the rear of the SA7x enclosure. Connect the other end of the cable connectors to the vertical I/O bulkhead. (The top four ports in each group of eight correspond to Port A, and the bottom four ports in each group of eight correspond to Port B.) 4. Connect the power cords to the rear of the SA7x enclosure, as shown in Figure 3–9. 5.
Installing the SA7x 3.
4 Operating the SA7x This chapter describes the SA7x enclosure’s front and rear panel switches and indicators and explains how to use them. It also explains how to apply power to the enclosure and how to place drives on line and off line. Note You must be a qualified Digital Multivendor Customer Services engineer to perform procedures that involve the drive power switches or internal storage array cabinet switches and indicators. 4.
Operating the SA7x 4.1 SA7x Switches and Indicators Figure 4–1 SA7x Enclosure Front Panel PORT SWITCHES PORT SWITCHES U n i t Se l e ct LEFT REAR Run Fault/ Ready Set No. Unit No. Wr i t e Protect A B Run Ready Fa u l t/ Unit No. Se t N o . Wr i te Pr o te ct A B RIGHT REAR RIGHT FRONT LEFT FRONT FRONT COVER DRIVE POWER SWITCHES LEFT FRONT LEFT REAR RIGHT REAR RIGHT FRONT CXO-1867D_S • All switches, except the Fault/Set No. switch, are set by pressing them in.
Operating the SA7x 4.1 SA7x Switches and Indicators • The Fault/Set No. switch is a momentary pushbutton. When you press the switch and hold it, it is set; when you release the switch, it is reset. Table 4–1 SA7x Switch and Indicator Functions Operator Control Panel Controls and Indicators Switch/(Indicator Color) Switch Function Indicator Function Run (yellow) Press to spin up the drive. Release to spin down the drive. On when drive has spun up. Off when the drive spindle has stopped. Fault/Set No.
Operating the SA7x 4.1 SA7x Switches and Indicators Table 4–2 OCP Controls and Indicators Control (Indicator) Function Run Pressing the Run switch spins up the drive. The yellow Run indicator lights after the drive spindle reaches operating speed. Pressing the Run switch again releases the switch and spins down the drive. The yellow Run indicator goes out only after the drive spindle comes to a complete stop. Fault/Set No. Pressing and holding the Fault/Set No.
Operating the SA7x 4.2 Using SA7x Rear Panel Switches and Indicator 4.2 Using SA7x Rear Panel Switches and Indicator Two rear panel switches and an indicator are located on the power supply chassis, as shown in Figure 4–2. These switches and indicator affect how the entire SA7x enclosure operates. Table 4–3 is a summary of the rear panel switches and indicators. WARNING Hazardous voltages are present inside the storage array cabinet and enclosures.
Operating the SA7x 4.3 Applying Power to the SA7x Enclosure Figure 4–2 SA7x Enclosure Rear Panel SDI INTERFACE CONNECTOR PORT B REAR BULKHEAD PORT B SILK SCREEN SDI INTERFACE CONNECTOR PORT A REAR COVER OVERTEMPERATURE INDICATOR (BEHIND PANEL) PORT A SILK SCREEN MOUNTING SCREW POWER SUPPLY TABS MOUNTING SCREW LINE VOLTAGE CONNECTOR LINE VOLTAGE SELECTOR SWITCH (BEHIND PANEL) MASTER ON/OFF SWITCH CXO-2658C 4.
Operating the SA7x 4.3 Applying Power to the SA7x Enclosure 3. Restore power to the enclosure by turning on the Master On/Off switch. 4. Verify the power is on by checking that the fan is operating. Do this by feeling for airflow out of the rear of the enclosure. 4.4 Placing RA7x Drives On Line and Off Line This section explains how to place RA7x disk drives on line and off line. 4.4.
Operating the SA7x 4.4 Placing RA7x Drives On Line and Off Line f. If the Fault/Set No. indicator remains lit, the drive has detected a fault. Press the Fault/Set No. switch to obtain a blinking OCP error code. The light pattern converts to a two-character error code. (See Chapter 5.) Pressing the Fault/Set No. switch a second time commands the drive to attempt to clear the error and return online. 3. Press the Port A, Port B, and Write Protect switches as required.
5 Troubleshooting the SA7x This chapter explains how to troubleshoot the SA7x enclosure. For complete information about troubleshooting RA7x disk drives, see the RA7x Disk Drive Service Manual. For instructions on removing and replacing field replaceable units (FRUs), see Chapter 7. 5.1 Identifying Problems Table 5–1 lists the problems you might encounter with the SA7x enclosure. It also refers you to the section in this chapter that explains how to troubleshoot each problem.
Troubleshooting the SA7x 5.2 Troubleshooting a Dead Enclosure 2. If the enclosure returns to normal operation, the fan operates, and the Fault indicator does not light, an overtemperature condition at the operating site is the likely cause of the failure. Investigate and correct the overtemperature condition. Note An overtemperature may also show up through one of the error logs.
Troubleshooting the SA7x 5.2 Troubleshooting a Dead Enclosure d. The enclosure assembly (See the appropriate storage array guide for instructions.) 5.3 Troubleshooting a Flashing Drive Power Indicator Note If power from the power supply is erratic, the drive may spin up and then spin down. These on and off cycles may occur because the voltage monitor in the device detects that power is going in and out of tolerance ranges. When the monitor detects low power, the drive begins its shutdown procedure.
Troubleshooting the SA7x 5.3 Troubleshooting a Flashing Drive Power Indicator Figure 5–1 SA7x Enclosure Front Panel PORT SWITCHES PORT SWITCHES U n i t Se l e ct LEFT REAR Run Fault/ Ready Set No. Unit No. Wr i t e Protect A B Run Ready Fa u l t/ Unit No. Se t N o .
Troubleshooting the SA7x 5.4 Troubleshooting Excessive Drive Errors or a Fault Condition 5.4 Troubleshooting Excessive Drive Errors or a Fault Condition If the system is displaying excessive drive errors or a fault condition, check to the following resources to isolate the problem to a disk drive or enclosure FRU. Note When referring to error codes, note that power low or thermal errors on any or all disk drives could indicate a problem with an enclosure FRU.
Troubleshooting the SA7x 5.5 Reading OCP Error Codes 3. Refer to the SA7x Enclosure Service Manual for a list of the OCP error codes with the suggested FRU replacement. 4. Press the Fault/Set No. switch again. This commands the drive to clear the fault and return to normal operation. a. If the fault clears, you may resume operation. Note the fault code in the system log in case you need it for future fault analysis. b. If neither the Ready indicator nor the Fault/Set No.
Troubleshooting the SA7x 5.7 Troubleshooting the OCP f. The enclosure assembly (See the appropriate storage array guide for instructions.) If a disk drive does not respond to OCP commands, move it to another drive position in the enclosure to see if the drive is at fault or if the drive position is at fault. 1. If the disk drive is at fault, replace the RA7x ECM. (See the RA7x Disk Drive Service Manual for instructions.) 2.
6 Replacing RA7x Disk Drives This chapter explains how to install and remove an RA7x disk drive in an SA7x enclosure. Table 6–1 lists the the types of disk drives that are authorized for installation in each SA7x enclosure. Unless otherwise specified, a maximum of four disk drives of each type, or a combination of disk drives can be installed in an enclosure.
Replacing RA7x Disk Drives 6.1 Installing and Removing an RA7x Disk Drive 6.1 Installing and Removing an RA7x Disk Drive The RA70 disk drive is physically different from RA71, RA72, and RA73 disk drives. The main physical difference between these drives (RA70 and RA71 through RA73), concerning installation, is the design of the shoe plate. The procedures for installing and removing the disk drives (RA70 and RA71 through RA73) are virtually the same.
Replacing RA7x Disk Drives 6.1 Installing and Removing an RA7x Disk Drive Figure 6–1 SA70 Enclosure LEFT REAR DISK DRIVE POSITION RIGHT REAR DISK DRIVE POSITION REAR COVER (NOT SHOWN) FAN TRANSITION BOARD 2 TRANSITION BOARD 1 OPERATOR CONTROL PANEL POWER SUPPLY RA70 DISK DRIVE SHOWN CHASSIS MOUNTING SCREWS FRAME DRIVE POWER SWITCH PANEL LEFT FRONT DISK DRIVE POSITION RIGHT FRONT DISK DRIVE POSITION FRONT COVER CXO-1845D_S 6.1.
Replacing RA7x Disk Drives 6.1 Installing and Removing an RA7x Disk Drive Figure 6–2 RA7x Disk Drive Serial Number Location LEFT REAR DISK DRIVE SERIAL NUMBER LABEL RIGHT REAR DISK DRIVE SERIAL NUMBER LABEL LEFT FRONT DISK DRIVE SERIAL NUMBER LABEL RIGHT FRONT DISK DRIVE SERIAL NUMBER LABEL SA7X ENCLOSURE FRONT COVER COM-0104 Record the disk drive serial number in the site log and the labor activity reporting system (LARS) report.
Replacing RA7x Disk Drives 6.1 Installing and Removing an RA7x Disk Drive Figure 6–3 Reversing the RA7x Shoe Plate FACTORY SHOE PLATE ORIENTATION CONNECTOR END RA70 CHASSIS SHOE PLATE RETAINING TAB SHOE PLATE SA70 SHOE PLATE ORIENTATION CONNECTOR END SCREW SCREW RA70 CHASSIS SHOE PLATE RETAINING TAB SHOE PLATE CXO-2610A 4. Grasp the shoe plate and pull upward to free it from the chassis. Hold the drive down with the hand wearing the ESD strap. 5.
Replacing RA7x Disk Drives 6.1 Installing and Removing an RA7x Disk Drive 6. Reinstall the four shoe plate mounting screws. Do not over tighten. WARNING An RA70 disk drive weighs 4.8 kgs (10.5 lbs). The RA71 through RA73 disk drives weigh 2.9 kgs (6.4 lbs). Be prepared to handle this weight when the drive comes free from the disk drive position. Otherwise, you may cause personal injury or damage the equipment.
Replacing RA7x Disk Drives 6.
Replacing RA7x Disk Drives 6.1 Installing and Removing an RA7x Disk Drive 4. Loosen the two mounting screws in the upper corners of the cover, then lift the cover up and outward to clear the enclosure, as shown in Figure 6–1. 5. Use the ESD grounding strap furnished with the cabinet, or connect your ESD grounding strap to the enclosure chassis. 6. Disconnect the 4-pin drive power cable, the 20-pin OCP cable, and the two internal SDI cables from the drive, as shown in Figure 6–4.
Replacing RA7x Disk Drives 6.2 Installing and Removing a Drive Position Filler 3. The drive position filler is held in place with a shoe plate retaining clip on the outside wall of the chassis disk position. The retaining clip locks with a tab on the drive shoe plate. (Refer to Figures 6–3 and 6–4.) Release this retaining clip and pull straight out on the drive position filler. After the filler is released, pull it slightly forward. 4.
7 Replacing SA7x FRUs This chapter explains how to remove and install the following major FRUs in an SA7x enclosure: • Power supply • Operator control panel (OCP) • Transition boards 1 and 2 (TB1 and TB2) • Fan assembly • Remote OCP cables • Power harness • SDI cables Figure 7–1 shows the major subassemblies of the SA7x enclosure. Except for the RA70 disk drive, this illustration is accurate for all SA7x enclosures.
Replacing SA7x FRUs 7.1 Required Tools 7.
Replacing SA7x FRUs 7.
Replacing SA7x FRUs 7.2 Power Supply Removal and Installation 7.2 Power Supply Removal and Installation The power supply is accessible through the rear of the SA7x enclosure. 7.2.1 Removing the Power Supply Use the following procedure to remove the power supply from the SA7x enclosure. (See Figure 7–3.) 1. Take all of the drives in the enclosure off line to spin down the drives. (See Section 4.4.) 2. Remove power to the enclosure by turning off the Master On/Off switch and disconnecting the power cord.
Replacing SA7x FRUs 7.3 OCP Removal and Installation Figure 7–3 SA7x Enclosure Rear Panel and Power Supply SDI INTERFACE CONNECTOR PORT B REAR BULKHEAD PORT B SILK SCREEN SDI INTERFACE CONNECTOR PORT A REAR COVER OVERTEMPERATURE INDICATOR (BEHIND PANEL) PORT A SILK SCREEN MOUNTING SCREW POWER SUPPLY TABS MOUNTING SCREW LINE VOLTAGE CONNECTOR LINE VOLTAGE SELECTOR SWITCH (BEHIND PANEL) MASTER ON/OFF SWITCH CXO-2658C 7.3.2 Installing the OCP Use the following procedure to install the OCP: 1.
Replacing SA7x FRUs 7.3 OCP Removal and Installation CAUTION Do not bend the alignment or connector pins when reinstalling the OCP. The panel should go into place without being forced. 3. Perform the checkout and power-up procedures explained in Section 7.10. 7.4 TB2 Removal and Installation Transition board 2 (TB2) is located behind TB1 inside the enclosure. 7.4.1 Removing Transition Board 2 Use the following procedure to remove TB2: 1.
Replacing SA7x FRUs 7.4 TB2 Removal and Installation Figure 7–4 Transition Board 2 TOOLING HOLES (4 PLACES) J1 (FAN) PLASTIC MOUNTING TABS J7 (PWR) TB2 (54-19015-01) J8 J2 J5 J6 J4 J1 J2 PLASTIC MOUNTING TABS J3 TB1 (54-19171-01) CXO-2611A There are eight cables connected to TB2: two ribbon cables from TB1, four disk drive OCP data cables, one fan cable, and one power cable.
Replacing SA7x FRUs 7.4 TB2 Removal and Installation Figure 7–5 Removing TB1 J1 40-PIN CABLE J2 40-PIN CABLE TRANSITION BOARD 2 TRANSITION BOARD 1 SLOTTED HOLE FRAME HOLE FOR TB1 RIGHT POSITION SLOTTED HOLE HOLE FOR TB1 LEFT POSITION CXO-2612A 7.4.2 Installing Transition Board 2 Use the following procedure to install TB2: 1. Align the replacement TB2 and press it into place, using the four plastic tabs. Note The outer holes in each corner of TB2 are for tooling purposes only.
Replacing SA7x FRUs 7.5 Transition Board 1 Removal and Installation 7.5 Transition Board 1 Removal and Installation TB1 is located behind the OCP inside the SA7x enclosure. 7.5.1 Removing Transition Board 1 Use the following procedure to remove TB1: 1. Take all of the drives in the enclosure off line and release the Run switches to spin down the drives. Wait until all Ready lamps are off. (See Section 4.4.) 2. Remove power to the enclosure by turning off the Master On/Off switch. 3.
Replacing SA7x FRUs 7.5 Transition Board 1 Removal and Installation 4. If applicable, retract the cabinet stabilizer foot. 5. Reinstall the OCP. (See Section 7.3.) 6. Perform the checkout and power-up procedures explained in Section 7.10. 7.6 Fan Assembly Removal and Installation The fan assembly is located in the center of the enclosure and is secured with four mounting screws. 7.6.1 Removing the Fan Assembly Use the following procedure to remove the fan assembly: 1.
Replacing SA7x FRUs 7.6 Fan Assembly Removal and Installation Figure 7–6 Installing the Fan Assembly FAN MOUNTING SCREWS (4 PLACES) FAN CABLE LATCH FRAME FRAME SHEET METAL CXO-2613B 3. Tighten the four mounting screws. 4. Connect fan connector J1 to TB2. 5. Reposition the SDI cables. 6. Slide the enclosure frame back into the cabinet and secure it in place with the four mounting screws. 7. If applicable, retract the cabinet stabilizer foot. 8.
Replacing SA7x FRUs 7.7 Remote OCP Cable Removal and Installation 7.7.1 Removing a Remote OCP Cable Use the following procedure to remove a remote OCP cable. 1. Take all of the drives in the enclosure off line and release the Run switches to spin down the drives. (See Section 4.4.) 2. Remove power to the enclosure by turning off the Master On/Off switch and disconnecting the power cord.
Replacing SA7x FRUs 7.7 Remote OCP Cable Removal and Installation 13. Remove the six Phillips screws that secure the acoustic panel to the frame, and remove the panel as shown in Figure 7–7. 14. Disconnect the remote OCP cable from TB2 and remove the cable from the frame. Note how the cable is routed. Figure 7–7 Removing Acoustic Panels ACOUSTIC PANEL SCREW HOLES (6 PER PANEL) PHILLIPS SCREW FRAME ACOUSTIC PANEL PHILLIPS SCREW CXO-2615A 7.7.
Replacing SA7x FRUs 7.7 Remote OCP Cable Removal and Installation Figure 7–8 Cable Routing DRIVE POWER CABLE OCP CABLE INTERNAL SDI CABLES INTERNAL SDI CABLES OCP CABLE DRIVE POWER CABLE CXO-2616A Note The right-front OCP cable connects to J3 on TB2; the right-rear OCP cable connects to J5; the left-front OCP cable connects to J2; the left-rear OCP cable connects to J8. 2. Reinstall the acoustic panels on the sides of the frame. 3.
Replacing SA7x FRUs 7.7 Remote OCP Cable Removal and Installation 10. Perform the checkout and power-up procedures explained in Section 7.10. 7.8 Power Harness Removal and Installation The power harness distributes power throughout the enclosure. If a power problem is diagnosed as a faulty power cable, the entire power harness must be replaced. All power cables are considered part of the power harness.
Replacing SA7x FRUs 7.8 Power Harness Removal and Installation WARNING Releasing the chassis latch allows the frame to be removed from the chassis for this operation. Be prepared to take the weight of the frame when it comes free of the chassis. Have a work space ready to put the frame on after it is removed. 11. Pull the frame free of the chassis by reaching into the frame and grasping the sheet metal in front of the fan. Set the frame on an antistatic work surface. 12.
Replacing SA7x FRUs 7.8 Power Harness Removal and Installation Figure 7–9 SA7x Enclosure Power Harness SINGLE BLACK SWITCH REAR PIGTAIL BLACK SINGLE/ PIGTAIL BLACK SINGLE ORANGE DC DRIVE POWER SWITCHES PHILLIPS SCREWS POWER SUPPLY CONNECTOR RF RR LR LF FRAME BOTTOM PHILLIPS SCREWS BOTTOM COVER REMOVED CXO-2614A Note The left-rear and right-rear cables are 80 cm (31.5 in) long. The left-front and right-front cables are 38 cm (15 in) long.
Replacing SA7x FRUs 7.8 Power Harness Removal and Installation 8. If applicable, retract the cabinet stabilizer foot. 9. Reinstall the OCP. (See Section 7.3.) 10. Reinstall the disk drives in the enclosure. (See Chapter 6.) 11. Reinstall the power supply. (See Section 7.2.) 12. Reconnect the storage array SDI interface cables to the rear bulkhead of the enclosure. 13. Install the front and rear enclosure covers. 14. Perform the checkout and power-up procedures explained in Section 7.10. 7.
Replacing SA7x FRUs 7.9 SDI Cable Removal and Installation 11. Pull the frame free of the chassis by reaching into the frame and grasping the sheet metal in front of the fan. Set the frame on an antistatic work surface. 12. Lay the frame on either side and remove one of the two acoustic panels. Remove the six Phillips screws that secure the acoustic panel to the frame, and remove the panel. (Refer to Figure 7–7.) Turn the frame over and remove the other acoustic panel. 13.
Replacing SA7x FRUs 7.9 SDI Cable Removal and Installation 7.9.2 Installing an Enclosure SDI Cable Use the following procedure to install an enclosure SDI cable: 1. Connect the SDI port connector to the proper connector on the SDI bulkhead. 2. Route the SDI cable as shown in Figure 7–10. Verify connections using Figure A–5 in Appendix A. 3. Secure the cable with tie-wraps. 4. Reinstall both acoustic panels. 5.
Replacing SA7x FRUs 7.10 SA7x Checkout 7. Turn on the drive power switch for one of the installed disk drives. 8. Verify power application to the disk drive position by noting that the indicator element in the drive power switch lights. If the indicator does not light, verify that the power supply is firmly seated in its connector. If power the still does not come on, refer to Chapter 5. Note Turning a drive power switch on does not start the associated drive motor. 9.
A SA7x Internal Cabling This appendix contains SA7x internal cabling information. Figure A–1 shows a block diagram of the enclosure cables.
SA7x Internal Cabling Figure A–1 SA7x Enclosure Cabling Block Diagram PI (PORT A) PORT A PI (PORT B) SDI INTERFACE REAR BULKHEAD PORT B 4 / 4 / (P4)J1 RIGHT FRONT DISK DRIVE POSITION (P4)J2 J3 REMOTE OCP (P4)J4 J1(P5) RIGHT REAR DISK DRIVE POSITION (P3)J1 J2(P5) J3 LEFT FRONT DISK DRIVE POSITION (P3)J2 REMOTE OCP J3 REMOTE OCP J4(P5) (P2)J4 J1(P2) LEFT REAR DISK DRIVE POSITION J2(P2) J3 REMOTE OCP TRANSITION BOARD 2 J4(P3) TRANSITION BOARD 1 J3 J5 J8 J2 J6(P6) POWER SUPPLY J6 J4
SA7x Internal Cabling Figure A–2 shows the cabling for the power harness.
SA7x Internal Cabling Figure A–3 is a block diagram of the OCP to transition board assembly to drive cabling. The operator control panel (OCP) assembly contains the OCP module and two LED modules. Left and right LED modules route numeric display information and the ready light signal between the LED modules and the OCP. Left and right front and rear LED functions are controlled by the respective modules. Because the OCP assembly is a field replaceable unit (FRU), the LED modules are replaced with the OCP.
SA7x Internal Cabling Figure A–4 shows the TB2 connection to the fan. Figure A–4 TB2 to Fan 1 1 2 2 3 3 4 4 +12.6V +12.
SA7x Internal Cabling Figure A–5 shows the connections from the rear bulkhead to the drive SDI.
SA7x Internal Cabling Table A–1 lists the fan connections. Table A–1 Fan Connections TB2 Fan Signal Name J1–1 J1–1 +12.6V J1–2 J1–2 +12.6V RTN J1–3 J1–3 Fan Control H J1–4 J1–4 Fan Rotation H Figure A–6 shows the dc power connections for the four RA7x disk drive connectors (P2, P3, P4, and P5) shown in Figure A–2. Figure A–6 4-Pin DC Power Connector 4 +5.0V DC (RED WIRE) 3 GROUND (BLACK WIRE) 2 SPINDLE MOTOR RETURN (2 BLACK WIRES) 1 +12.
B Environmental Stabilization Always ensure environmental stabilization of the RA7x disk drive or RA7x FRU prior to installation or before operation if the disk drive has been removed from its normal operating site. Otherwise, the drive media or associated electronics may be damaged. Environmental stabilization includes temperature and humidity stabilization.
C Part Numbers This appendix lists the field replaceable parts for both the SA7x enclosure (Tables C–1 and C–3) and the RA7x disk drives (Table C–4). Table C–2 lists the parts for the H9A00 cables. Table C–1 SAxxx Cable Part Numbers Power Cord Part Number 2.74 m (9 ft) 17–00442–19 Internal SDI Cables Part Number H9646 Cabinet SA7x—1.68 m (5.5 ft) 17–01699–01 H9A00 Cabinet SA7x—.76 m (2.5 ft) 17–01699–03 Table C–2 H9A00 External SDI Cable Part Numbers Standard Part Number Fire Code Part Number 3.
Part Numbers Table C–3 SAxxx Assembly Part Numbers SA7x Field Add-On Kits Part Number SA550 Storage Array 70–29379–04 SA600 Storage Array 70–27967–01 70–29379-04 SA650 Storage Array 70–29379–04 SA800 Storage Array 70–27967–01 70–29379-04 SA850 Storage Array 70–29379–04 SA900 Storage Array 70–29379–01 Lifting Device Digital-approved lifting device Part Number FC–10117–AC Table C–4 RA7x Part Numbers Part Part Number RA70 Disk Drive ECM HDA Shoe Plate 70–22494–01 70–21946–01 70–22474–01 RA7
D OCP Error Codes This appendix lists the OCP (operator control panel) error codes provided in the host error log and the code displayed by the OCP. Use Table D–1 to convert the pattern of lights to OCP codes and to obtain a list of recommended FRUs to replace. OCP error codes not listed may be an RA7x disk drive error code. RA7x disk drive codes are listed in RA7x Disk Drive Service Manual with recommendations for FRUs to replace for each code.
OCP Error Codes Table D–1 (Continued) OCP Error Codes OCP Code Description and FRUs Run Stop Flt Rdy Writ Prot Prt A Prt B 0B Detector/qualifier See Note1 – – On – On On 11 Servo module digital circuits ECM HDA – On – – – On 12 Servo gate array ECM – On – – On – 13 TMS 32020 processor ECM – On – – On On 14 Static RAM ECM – On – On – – 15 Servo analog ECM HDA – On – On – On 16 Voltage controlled oscillator (VCO) ECM HDA – On – On On – 17 Spind
OCP Error Codes Table D–1 (Continued) OCP Error Codes OCP Code Description and FRUs Run Stop Flt Rdy Writ Prot Prt A Prt B 32 Fault module See Note1 On On – – On – 33 Spindle motor control module See Note1 On On – – On On 34 Digital signal processor module ECM HDA On On – On – – 35 SDI module ECM SDI cable SDI controller On On – On – On 36 Microprocessor unit module See Note1 On On – On On – 37 Diagnostic module ECM HDA On On – On On On 3E Debug erro
E RA7x Error Rates This appendix defines the acceptable error rates for the RA7x disk drive. If error rates are no more than those indicated in Table E–1, the RA7x drive is performing within specifications. Table E–1 RA7x Error Rate Table Error Type Temperature Range Between 16°— 39° C (60°—103° F) Type I 1 in 107 data bits read Type II 2 in 1010 data bits read Loss-of-position 1 in 106 seeks Soft error 1 in 3.
RA7x Error Rates E.3 Loss-of-Positioner Errors E.3 Loss-of-Positioner Errors A loss-of-positioner error is a recoverable error attributed to a disruption or failure of the servo position control mechanism within the drive. Loss-ofpositioner errors include: • Write and off-track errors (drive error code 39) • Off-track errors (drive error code 25) • Positioner errors (drive error code E8, E9) • Controller detected positioning errors (MSCP status/event code 6B) E.
RA7x Error Rates E.
F Revision Support This appendix lists the minimum versions of operating systems, diagnostics, and SDI controllers that support RA71 through RA73 disk drives in Release 43. The diagnostics and VAX Supervisor programs in Table F–1 all recognize RA71 through RA73 disk drives. The retired VAX Supervisor programs in Table F–2 do not recognize RA71 through RA73 disk drives.
Revision Support Table F–2 Retired VAX Supervisor Programs Supervisor Program Description ECSAA Supervisor, 750 EDSAA Supervisor, 8600, 8650 EJSAA Supervisor, 8820/30/40 ENSAA Supervisor, 725, 730 ESSAA Supervisor, 780, 785 EWSAA Supervisor, 9000 EZSAA Supervisor, 8530, 8550, 8700, 8800, 8820N Table F–3 Operating Systems for RA71–RA73 Drives Operating Systems Software RA71/RA72 Minimum Version RA73 Minimum Version VMS 5.4-21 5.5-2 VAXsimPLUS 1.6 2.0 ULTRIX-32 4.2 4.3 VAXELN 4.
Index B Bad block replacement rate, E–2 C Cabling technical description, 2–14 Chassis technical description, 2–1 Controller support, F–1 D Diagnostics support, F–1 Disk drives installing and removing a drive position filler, 6–8 installing and removing an RA7x disk drive, 6–2 placing off line, 4–8 placing on line, 4–7 serial numbers, 6–3 Documentation, related, x Drive position filler installing and removing, 6–8 Drive power switches and indicators using, 4–4 E Environmental limits, 1–9 Environmental sta
Overview, 1–1 P Part numbers SA7x, C–1 Power harness removing and installing, 7–15 Power supply removing and installing, 7–4 technical description, 2–10 Precautions, 1–10 data recovery, 1–10 electrostatic discharge, 1–11 operating temperature, 1–11 Problems and troubleshooting references, 5–1 R Remote OCP cable removing and installing, 7–11 Revision support, F–1 S SA7x enclosure installed as add-on in SA900, 3–6 SDI cables, enclosure removing and installing, 7–18 Serial numbers, disk drive, 6–3 Soft erro
