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SA7x Enclosure
User Guide
Order Number: EK–OSA7X–UG. C01
This guide explains how to operate the SA7x family of enclosures: the
SA70, SA71, SA72, and SA73. This guide also includes installation
procedures that can be performed only by trained Digital Multivendor
Customer Services engineers.
Digital Equipment Corporation
Maynard, Massachusetts
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Table of Contents
Troubleshooting
Related Manuals for DEC SA7x
Summary of Contents for DEC SA7x
- Page 1 SA7x Enclosure User Guide Order Number: EK–OSA7X–UG. C01 This guide explains how to operate the SA7x family of enclosures: the SA70, SA71, SA72, and SA73. This guide also includes installation procedures that can be performed only by trained Digital Multivendor Customer Services engineers.
- Page 2 October 1993 NOTE: This equipment generates, uses, and may emit radio frequency energy. The equipment has been type tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a commercial installation.
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Page 3: Table Of Contents
SA7x Enclosure Overview ........ - Page 4 4–13 Preparing the SA7X Enclosure ........4.10 4–14...
- Page 5 SA7x Configurations ........
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Page 7: Preface
Preface The SA7x Enclosure User Guide explains how to operate the SA7x family of enclosures: the SA70, SA71, SA72, and SA73. The guide is intended for end users, but it includes installation procedures that should be performed only by trained Digital Multivendor Customer Services engineers. -
Page 8: Related Courses
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 Electrical Safety EY–B737E–PO Electrical Safety and Lockout/Tagout Procedures EY–E038E–SO RA70/BA27 Disk Drive Maintenance Course EY–5805E–IV... -
Page 9: Introducing The Sa7X Enclosure
Introducing the SA7x Enclosure This chapter is an overview of the SA7x enclosure, lists SA7x configurations and specifications, and discusses user precautions. 1.1 SA7x Enclosure Overview The term ‘‘SA7x’’ refers to the family of enclosures that includes: • The SA70—Accommodates one to four RA70 disk drives (280 MB each) •... - Page 10 COVER POSITION CXO-1845D_S You can combine SA7x enclosures into shadow sets. When using shadow sets, remember that when replacing the power supply or transition boards 1 or 2, you need to remove the power from the enclosure. RA7x disk drive can be used with any disk drive controller using a standard disk interface (SDI), including KDA50, KDB50, or KDM50 controller modules, hierarchical storage controllers (HSCs), and UDA controllers.
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Page 11: Ra70 Disk Drive
INDICATORS SERIAL NUMBER LOCATION SHOE PLATE SHOE J4 4-PIN PLATE POWER ELECTRONIC CONTROL MODULE (ECM) J3 20-PIN REMOTE OPERATOR CONTROL PANEL CONNECTOR J2 8-PIN SDI J1 8-PIN SDI CONNECTOR CONNECTOR (PORT B) (PORT A) CXO-1878B_S Introducing the SA7x Enclosure 1–3... -
Page 12: Ra71 Through Ra73 Disk Drives
Introducing the SA7x Enclosure 1.1 SA7x Enclosure Overview Figure 1–3 RA71 Through RA73 Disk Drives FRONT VIEW 4-PIN POWER REAR VIEW 20-PIN 8-PIN SDI-PORT B 8-PIN SDI-PORT A BOTTOM VIEW SHOE PLATE CXO-3518A-MC 1–4 Introducing the SA7x Enclosure... - Page 13 • 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. The frame slides into the chassis and contains the mounting facilities for the other subassemblies.
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Page 14: Ra7X And Sa7X Configurations
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. -
Page 15: Sa7X Configurations
120-240 Vac, 50-60 Hz To install in an SA600 or SA800 storage array first upgrade the storage array as described in Chapter 5. Adding the first SA7x to a VAX 6000 or DECsystem 5800 system without internal storage devices requires an upgrade kit: 60 Hz system—Upgrade Kit 62X34–UA... - Page 16 Introducing the SA7x Enclosure 1.2 RA7x and SA7x Configurations Table 1–3 (Continued) SA7x Configurations RA70 RA71 RA72 RA73 Formatted Disk Disk Disk Disk Storage Enclosure Description Drive Drive Drive Drive Capacity SA72–EK Field add-on 1.0 GB SA900 120-240 Vac, 50-60 Hz SA72–FK...
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Page 17: 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. -
Page 18: User Precautions
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. -
Page 19: Recommended Operating Temperature
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°... -
Page 20: Using The Esd Grounding Strap
Introducing the SA7x Enclosure 1.4 User Precautions Figure 1–4 Using the ESD Grounding Strap ESD GROUNDING STRAP SUPPLIED ESD GROUNDING STRAP WITH 60-INCH CABINET GROUNDED TO SA7x ENCLOSURE CHASSIS OPERATOR’S ESD GROUNDING STRAP CXO-2609B_S 1–12 Introducing the SA7x Enclosure... -
Page 21: Operating The Sa7X
ONLY when the disk drive is powered up. 2.1.1 Using the Switches and Indicators Table 2–1 is a summary of SA7x control and indicator functions. Table 2–2 is a detailed description of OCP control and indicator functions. The following general comments are also applicable: •... -
Page 22: Sa7X Enclosure Front Panel
Operating the SA7x 2.1 SA7x Switches and Indicators Figure 2–1 SA7x Enclosure Front Panel PORT SWITCHES PORT SWITCHES U n it Se le ct LEFT RIGHT R un Fault / R eady W ri te R e a d y... -
Page 23: Sa7X Switch And Indicator Functions
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 2–1 SA7x Switch and Indicator Functions Operator Control Panel Controls and Indicators... -
Page 24: Using Drive Power Switches And Indicators
Operating the SA7x 2.1 SA7x Switches and Indicators Table 2–2 OCP Controls and Indicators Control (Indicator) Function 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. -
Page 25: 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 2–2. These switches and indicator affect how the entire SA7x enclosure operates. Table 2–3 is a summary of the rear panel switches and indicators. -
Page 26: Applying Power To The Sa7X Enclosure
2.3 Applying Power to the SA7x Enclosure CAUTION Before applying power to the SA7x enclosure, ensure that the Line Selector Voltage switch on the enclosure, located behind the SA7x rear panel, is set to the proper line voltage. Otherwise, you will damage the power supply. -
Page 27: Placing Ra7X Drives On Line And Off Line
This section explains how to place RA7x disk drives on line and off line. 2.4.1 Placing a Drive On Line After applying power to the SA7x enclosure, use the following procedure to place a drive on line: 1. Press the drive power switch for the drive you want to bring online. (Refer to Figure 2–1.) If power to the drive is within specifications, the green drive... -
Page 28: Taking A Drive Off Line
5. Remove power from the enclosure by turning off the Master On/Off switch. (See Figure 2–2.) You are now ready to remove the disk drive from the enclosure. Refer to Chapter 3 for complete instructions. 2–8 Operating the SA7x... -
Page 29: Replacing Ra7X Disk Drives
Replacing RA7x Disk Drives This chapter explains how to install and remove an RA7x disk drive in an SA7x enclosure. Table 3–1 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. -
Page 30: Installing And Removing An Ra7X Disk Drive
Notes • When an RA7x disk drive is installed in an SA7x enclosure, it is not possible to set the drive unit number using the dip switches on the drive itself. Unit numbers for all RA7x disk drives are set from the SA7x operator control panel (OCP) as explained in Chapter 4. -
Page 31: Recording Ra7X Disk Drive Serial Numbers
The adhesive serial number label included with the drive is for mounting on the enclosure. Affix the serial number label to the front cover of the SA7x enclosure. Place it so that it corresponds with the position of the disk drive in the enclosure, as shown in Figure 3–2. -
Page 32: Reversing The Ra70 Shoe Plate
Component serial number (five digits) 3.1.2 Reversing the RA70 Shoe Plate When the RA70 disk drive is to be installed in an SA7x enclosure, the shoe plate may need to be reversed on the drive so that it will mate with the shoe plate guide and shoe plate retaining clip in the SA7x enclosure. -
Page 33: Reversing The Ra7X Shoe Plate
Replacing RA7x Disk Drives 3.1 Installing and Removing an RA7x Disk Drive Figure 3–3 Reversing the RA7x Shoe Plate FACTORY SHOE PLATE ORIENTATION CONNECTOR RA70 CHASSIS SHOE PLATE RETAINING TAB SHOE PLATE SA70 SHOE PLATE ORIENTATION SCREW CONNECTOR SCREW RA70 CHASSIS SHOE PLATE RETAINING TAB... -
Page 34: Installing An Ra7X Disk Drive
1. Make sure the drive power switch for the drive position you are using is turned off. 2. Depending on where the disk drive is located in the SA7x enclosure, remove either the front or rear enclosure cover. Loosen or remove the two mounting screws in the upper corners of the cover, then lift the cover up and outward to clear the enclosure. -
Page 35: Replacing Ra70 Disk Drive
Replacing RA7x Disk Drives 3.1 Installing and Removing an RA7x Disk Drive Figure 3–4 Replacing RA70 Disk Drive SILK SCREEN OF CONFIGURATION RULES SHOE PLATE RETAINING CLIP SHOE PLATE SHOE PLATE RETAINING TAB LOCATION SHOE PLATE GUIDE 20-PIN 4-PIN DRIVE CABLE POWER CABLE INTERNAL... -
Page 36: Installing And Removing A Drive Position Filler
It is installed in the drive position next to the single installed drive (which should be installed in the rear of the enclosure). To install the drive position filler in the SA7x enclosure, use the following procedure: 1. - Page 37 Replacing RA7x Disk Drives 3.2 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.
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Page 39: Installing The Sa7X
A Digital Multivendor Customer Services engineer is qualified to install the SA7x enclosure upon successful completion of the courses listed in Table 1 in the Preface. 4.1.2 Recording Disk Drive Serial Numbers When installing add-on or replacement enclosures, verify that the serial number on the disk drives are properly recorded on the enclosure. -
Page 40: Selecting Line Input Voltage
4.2 Selecting Line Input Voltage 4.2 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. - Page 41 12. Complete the checkout of the disk drive by running the applicable diagnostics from the host system controller as described in the RA7x Disk Drive Service Manual. 13. Repeat steps 7 through 12 for each RA7x disk drive installed in the enclosure. Installing the SA7x 4–3...
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Page 42: Sa7X Enclosure
Installing the SA7x 4.3 Performing a Post-Installation Checkout and Power-Up Figure 4–1 SA7x Enclosure Front Panel PORT SWITCHES PORT SWITCHES U n it Se le ct LEFT RIGHT R un Fault / R eady W ri te R e a d y... -
Page 43: Setting Drive Unit Numbers
000 through 255. b. When the new microcode is installed you can set the drive unit number to any number from 000 through 999 providing that the correct version TB2 is installed. Installing the SA7x 4–5... -
Page 44: Installing An Add-On Sa7X Enclosure In An Sa900 Storage Array
Internal SDI cables and power cords are installed in SA900 storage arrays only when a storage device is installed. The internal SDI cables and power cords are shipped with each add-on and you must install them. The contents of the SA7x add-on kit are: •... -
Page 45: Storage Device Add-On Sequence For The Sa900 Storage Array (Front View)
Installing the SA7x 4.5 Installing an Add-On SA7x Enclosure in an SA900 Storage Array Figure 4–2 Storage Device Add-On Sequence for the SA900 Storage Array (Front View) ADD-ON SEQUENCE ADD-ON SEQUENCE ADD-ON SEQUENCE RA9x DISK DRIVES SA7x ENCLOSURES MIXED RA9x DISK DRIVES... -
Page 46: Sa7X Front Clamping Assembly
CHASSIS RETAINER SEMS CONICAL SCREWS BOTTOM WASHER/SCREW CHASSIS RETAINING BRACKET CXO-2442B_S • The chassis retaining brackets, shown in Figure 4–4, are for the H9A00 cabinet. They attach to SA7x enclosure guide rail and the cabinet frame. 4–8 Installing the SA7x... -
Page 47: Preparing The Sa900 Cabinet
CXO-3939A-MC 4.6 Preparing the SA900 Cabinet Each SA7x enclosure is mounted in the cabinet with one guide rail plate assembly as shown in Figure 4–5. The guide rail plate is attached to the cabinet’s internal vertical uprights, and it supports the enclosure from one side. Grooves machined into the side of the enclosure mate with flanges along the sides of the chassis... -
Page 48: Sa7X Enclosure Guide Rail Assembly Installation
If the cabinet is installed and operating, spin down all disk drives and halt tape drives in the cabinet. Switch the circuit breaker on the front of the cabinet power controller to the off position. Figure 4–5 SA7x Enclosure Guide Rail Assembly Installation LOCKWASHER #10-32 MACHINE... -
Page 49: Guide Rail Plate Installation
Insert the two front round stand-offs into the cabinet so that hole 71 becomes the center mounting hole in the guide rail plate. Installing the SA7x 4–11... -
Page 50: Sa900 Mounting Rail Holes
U-nut mounted on the cabinet front vertical upright. g. From the rear, insert and tighten two flathead screws through the top and bottom guide rail plate holes to the two U-nuts mounted on the cabinet rear vertical upright. 4–12 Installing the SA7x... -
Page 51: Right Position Guide Rail Plate Installation
Insert the two rear round stand-offs into the cabinet so that hole 71 becomes the center mounting hole in the guide rail plate. Installing the SA7x 4–13... -
Page 52: Preparing The Sa7X Enclosure
Use the following procedure to prepare the SA7x enclosure for installation: 1. Remove the OCP (refer to Figure 4–1). a. Pull the OCP straight out from the front of the SA7x enclosure. b. Put the OCP in a safe place. -
Page 53: Installing The Sa7X Enclosure
Install the power supply and tighten the two captive screws. 4.11 Installing the SA7X Enclosure Use the following procedure to install the SA7X enclosure into a SA900 cabinet: WARNING The fully-populated enclosure, with four disk drives and a power supply, weighs up to 40 kilograms (88 pounds) and can cause serious injury if lifted improperly. -
Page 54: Installing The Sa7X Enclosure In The Sa900
Installing the SA7x 4.11 Installing the SA7X Enclosure Figure 4–7 Installing the SA7x Enclosure in the SA900 GUIDE RAIL ENCLOSURE REAR CABINET FRONT SA7x ENCLOSURE SCREWS GUIDE RAIL PLATE ASSEMBLY CXO-3574A-MC 4–16 Installing the SA7x... -
Page 55: H9A00 External Sdi Cables
A total of ten devices can be connected to the I/O bulkheads. The RA9x disk drive uses two SDI cables; the SA7x enclosure uses two special one-to-four cables. Each cable terminates with four connectors. -
Page 56: Sa900 Sdi Cable Connections
Installing the SA7x 4.11 Installing the SA7X Enclosure Figure 4–8 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 4–8. -
Page 57: Completing The Installation
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 4–9. 5. Route the power cords from the storage devices on the right side of the cabinet down the right vertical I/O bulkhead. -
Page 58: Sa900 Power Cords-Sa7X Enclosures
Installing the SA7x 4.11 Installing the SA7X Enclosure Figure 4–9 SA900 Power Cords—SA7x Enclosures 4–20 Installing the SA7x... -
Page 59: Troubleshooting The Sa7X
5.2.1 If the Fault Indicator Is Lit If the SA7x enclosure is dead and the power supply Fault indicator is lit, turn off the Master On/Off switch located on the rear of the power supply. Check for airflow obstructions. -
Page 60: If The Fault Indicator Is Not Lit
7. If the enclosure fan starts, proceed to Step 3 in Section 5.3. 8. If the enclosure fan does not start, replace FRUs in the following order until the problem is corrected: a. Power supply b. TB1 5–2 Troubleshooting the SA7x... -
Page 61: Troubleshooting A Flashing Drive Power Indicator
flashing drive power indicator is at fault. Replace the FRUs in the following order until the problem is corrected: a. Power supply b. Power harness The enclosure assembly (See the appropriate storage array guide for instructions.) Troubleshooting the SA7x 5–3... -
Page 62: Sa7X Enclosure Front Panel
Troubleshooting the SA7x 5.3 Troubleshooting a Flashing Drive Power Indicator Figure 5–1 SA7x Enclosure Front Panel PORT SWITCHES PORT SWITCHES U n it Se le ct LEFT RIGHT R un Fault / R eady W ri te R e a d y... -
Page 63: Troubleshooting Excessive Drive Errors Or A Fault Condition
FRU. 5.5 Reading OCP Error Codes The SA7x enclosure OCP displays error codes on the indicator set for each drive. (Refer to Figure 5–1.) These codes provide an initial clue to a drive fault prior to the detailed analysis provided by the drive’s internal log. -
Page 64: Troubleshooting A Drive Not Visible To The Controller
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. - Page 65 3. If the unit number changes after power up, replace the FRUs in the following order until the problem is corrected: a. TB2 b. Power supply d. The two OCP ribbon cables e. TB1 The enclosure assembly (See the appropriate storage array guide for instructions.) Troubleshooting the SA7x 5–7...
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Page 67: Thermal Stabilization Specifications
If condensation is not visible on the drive, see Table A–1 for the correct thermal stabilization time. CAUTION The disk drive can be stabilized in or outside the SA7x enclosure. However, do not spin up the drive until it is stabilized. Table A–1 Thermal Stabilization Specifications... -
Page 69: B Ra7X Error Rates
RA7x Error Rates B.1 RA7x Error Rates This section defines the acceptable error rates for the RA7x disk drive. When using these drives on typical systems and current technology operating software, it is possible that the system may occasionally report recoverable disk errors in the host error log. -
Page 71: Vax Diagnostics For Ra71-Ra73 Drives
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 C–1 all recognize RA71 through RA73 disk drives. The retired VAX Supervisor programs in Table C–2 do not recognize RA71 through RA73 disk drives. -
Page 72: Retired Vax Supervisor Programs
Revision Support Table C–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 C–3 Operating Systems for RA71–RA73 Drives RA71/RA72 RA73 Minimum... -
Page 73: Index
Index Operation (cont’d) using SA7x front panel switches and indicators, 2–1 Controller support, C–1 using SA7x rear panel switches and indicators, Courses, related, viii 2–5 Overview, 1–1 Diagnostics support, C–1 Disk drives Precautions, 1–10 installing and removing a drive position filler, data recovery, 1–10...
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