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A.4 Offline Diagnostics

A diagnostic utility called DOSDASS2 is available from Hewlett-Packard for
accessing the optical disk library through the SCSI bus.

DOSDASS2 fully exercises either standalone multifunction optical drives or
autochangers that contain multifunction optical drives. Information for getting
and using DOSDASS2 is found in Appendix B.

Offline Diagnostic Information A–27

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Содержание RW504-ZA

Страница 1: ...Small Optical Disk Library Service Manual Part Number EK SOL10 SV B01 Revision Update Information This manual supersedes Part Number EK SOL10 SV A01 Digital Equipment Corporation Maynard Massachusetts ...

Страница 2: ...of the Hewlett Packard Company The following are trademarks of Digital Equipment Corporation DEC Digital VAX VAX DOCUMENT VMS and the DIGITAL logo Torx is a registered trademark of the Camcar Division of Textron All other trademarks and registered trademarks are the property of their respective owners U S A This equipment generates uses and may emit radio frequency energy The equipment has been ty...

Страница 3: ... 8 Related Documents 1 14 2 Environmental Installation PM 2 1 Environmental Requirements 2 1 2 2 Operating Temperature Clearance Requirements 2 1 2 3 Location Requirements 2 1 2 4 Primary Power External Ground 2 2 2 5 Unpacking Procedure 2 2 2 6 Installation Procedures 2 3 2 6 1 Contents of Shipment 2 3 2 6 2 Uncrating the RW504 RW524 Optical Library 2 4 2 6 3 Installing the RW504 RW524 Optical Li...

Страница 4: ... Controlling Mailslot Rotation 3 11 3 3 9 Host Configuration 3 11 3 4 Autochanger Configuration Choices 3 12 4 Troubleshooting and Diagnostics 4 1 Operation Installation Error Information 4 2 4 2 Power on Self tests 4 6 4 3 Optical Disk Cleaning 4 7 4 3 1 Cleaning Tools Available 4 8 4 4 Using the Eject Tool to Remove a Disk from the Drive 4 9 4 5 Troubleshooting Using the Control Panel and Observ...

Страница 5: ...acing the Mailslot Assembly 5 14 5 4 7 Replacing the Optical Drive Mechanism 5 16 5 4 8 Replacing the Interconnect PCA 5 22 5 4 9 Replacing the Picker Carriage Assembly 5 23 5 4 10 Replacing the Leadscrew Assembly 5 26 5 4 11 Replacing the Power Supply 5 29 5 4 12 Replacing the Magazine Guides 5 31 5 4 13 Replacing the Internal UPS Cable 5 33 5 4 14 Replacing the SCSI Cable 5 33 5 5 Reinitializing...

Страница 6: ...1 6 5 3 Optical Disk Layout 1 3 Gbyte Capacity 6 14 6 5 4 User Zone Layout 1 3 Gbyte Capacity 6 14 6 5 5 Drive Defect Management 6 18 6 5 6 Slip Sparing Algorithm 6 20 6 5 7 Replacement Sparing Algorithm 6 20 6 5 8 Error Thresholds 6 21 6 6 Error Detection and Recovery 6 22 6 6 1 Error Detection 6 23 6 6 2 Error Recovery Processes 6 24 6 6 3 SCSI Detected Errors 6 24 6 6 4 Move Errors 6 25 6 6 5 H...

Страница 7: ...8 2 4 Replacing the Shipping Screw 2 14 3 1 Front Panel 3 1 3 2 Rear Panel 3 3 4 1 Information and Tests Through the Control Panel 4 10 4 2 The Autochanger Returns Suspect FRUs 4 11 4 3 How Service Views the Suspect FRUs 4 13 4 4 Information and Tests Through the SCSI Bus 4 31 5 1 Controller PCA Cable Connections 5 5 5 2 Removing the Autochanger Controller PCA 5 6 5 3 Dip Switch Location on the Co...

Страница 8: ...s 5 32 5 22 Optical Disk Library Exploded View Sheet 1 of 3 5 39 5 23 Optical Disk Library Exploded View Sheet 2 of 3 5 40 5 24 Optical Disk Library Exploded View Sheet 3 of 3 5 41 6 1 SCSI Command Translation for Autochanger Operation 6 2 6 2 Autochanger Controller PCA Block Diagram 6 5 6 3 Functional Diagram 6 8 6 4 Optical Disk Layout 6 12 6 5 User Zone Layout for 650 Mbyte Media 6 13 6 6 User ...

Страница 9: ...ecific Hardware Errors 4 21 4 4 Sequence Tests 4 34 4 5 Exerciser Tests 4 36 4 6 Electronic Core Tests 4 38 4 7 RW504 RW524 Micro Move ID Table 4 44 5 1 SW2 Default Settings 5 8 5 2 Exchange Assemblies 5 36 5 3 Non exchange Assemblies 5 37 6 1 Values for n and m for 1 3 Gbyte with g 16 1024 media 6 17 6 2 Physical Revolution to Logical Track Layout 6 17 6 3 Error Thresholds 6 22 6 4 Group 0 Comman...

Страница 10: ......

Страница 11: ...ve mainte nance information on the RW504 and RW524 optical disk libraries Chapter 3 provides configuration and operating information on the RW504 and RW524 optical disk libraries Chapter 4 provides troubleshooting and diagnostics information on the RW504 and RW524 optical disk libraries Chapter 5 provides removal and replacement procedures for the field replaceable assemblies in the RW504 and RW52...

Страница 12: ...onospace type Boldface type Anything that you are asked to type is set in this boldface type Keys Keys indicate the key to press on the control panel of the optical disk library Note A note calls attention to information which is helpful in understanding the operation of the product CAUTION Caution notes provide information that protects your optical disk library from being damaged WARNING Warning...

Страница 13: ... RW504 This added capacity is due to a difference in the optical drives contained in the libraries The RW524 contains a 1 3 Gbyte drive an enhanced version of the 650 Mbyte drive that is used in the RW504 version libraries The 1 3 Gbyte drive supports the use of 1 2 Gbyte disks as well as the 594 Mbyte disks that are supported for use with 650 Mbyte drives Other than the added support of 1 2 Gbyte...

Страница 14: ...re Modular replacement of all major assemblies Digital signal processor DSP based servo built into the drive mechanism for faster seek times and lower error rates Split optics resulting in the use of a lighter optical head for faster and more accurate data access Full read and write data caching to optimize system performance 1 3 Optical Library Components Usually each SCSI connect peripheral requ...

Страница 15: ...Figure 1 1 Optical Disk Library Components Carriage Rails Mailslot Storage Slots 2 3 6 MK445 01 Disk Drive Picker 7 1 Introduction 1 3 ...

Страница 16: ...ry Picker The picker rotates flips and transports optical disks to and from the storage slots mailslot and optical drive The RW504 RW524 is available as a single ended SCSI interface 1 3 1 The Optical Drive Mechanism The optical drive mechanism is a multifunction drive and therefore operates in both rewritable and write once modes The drive uses both rewritable and write once 5 25 inch magneto opt...

Страница 17: ...ty varies depending on the disk type Check the host system documentation to determine which disk format is supported The MO disk has two recording sides To access the second side the cartridge must be ejected turned over and reinserted into the drive There are two types of magneto optical disks rewritable optical disks and write once optical disks Check the host system documentation to determine w...

Страница 18: ...ct information labels located on the library s rear panel and check the corresponding information in Table 1 2 Table 1 2 Optical Disk Library Products Matrix Product No Options Description HP Designation RW504 ZA 10 4 Gbyte multifunction optical disk library includes one 650 Mbyte 5 25 inch multifunction optical drive mechanism and a single ended SCSI interface Model 10LC C1718C RW524 ZA 20 8 Gbyt...

Страница 19: ... 6 Specifications This section provides Performance Specifications Physical Characteristics Environmental Specifications Power Requirements Service Characteristics Product Certification Introduction 1 7 ...

Страница 20: ...ms 23 5 Short stroke seek across 2 2 Mbytes 8 ms 4 ms Full stroke seek 50 ms 45 ms Single track seek track to track 2 ms 2 ms Average rotational delay 8 33 ms 12 5 ms Bias magnet rotation time 8 ms maximum 8 ms maximum Average access time 35 ms Burst transfer rate 3 Mbytes s asyn chronous 3 Mbytes s asynchronous 5 Mbytes s syn chronous 5 Mbytes s synchronous Data transfer rate host dependent 1 Mby...

Страница 21: ...t 34 9 kg 77 5 pounds Weight packaged 40 8 kg 90 0 lbs RW504 RW524 Environmental Specifications Temperature gradient 10 C per hour Temperature operating 10 to 40 C Temperature nonoperating 40 to 70 C Relative humidity noncondensing operating 10 to 90 nonoperating 5 to 95 Max wet bulb temperature 29 C Shock nonoperating 292 ips 30 g trape zoidal Vibration 5 500 Hz operating 0 21 g rms nonoperating ...

Страница 22: ...ng requirements 15 CFM bidirectional through drive RW504 RW524 Power Requirements Line voltage 115V setting 100 127V Line voltage 230V setting 200 240V Line frequency 50 60Hz Power consumption typical Less than 70 W Power consumption maximum 100 W RW504 RW524 Service Characteristics Mean time between failure 40 000 power on hours Mean swaps between failure 300 000 Mean time to repair 1 hour Preven...

Страница 23: ...netic emissions FCC 47 CFR Part 15 Subpart J Class B EN 55022 CISPR 22 Level B SABS VCCI Level 2 Laser CDRH 21 CFR Chapter 1 Subpart J Registered IEC 825 TUV approved to VBG93 VDE 0837 TTL to Decision 472 BS 4803 part 2 Approved Introduction 1 11 ...

Страница 24: ...omposite CC ISO 10089 ECMA 184 for CC format CCW ISO 11560 ECMA 184 standard for CCW format Bytes per sector 512 medium dependent 512 medium dependent Sectors per track 31 medium dependent 31 medium dependent Physical tracks per side 1x 18751 18751 Physical tracks per side 2x 21600 21600 Physical tracks per inch 1x 15875 15875 Physical tracks per inch 2x 18273 18273 Error Rate Less than 1 block in...

Страница 25: ... 10 to 50 C long term 14 days 10 to 50 C long term 14 days 10 to 55 C short term 14 days 10 to 55 C short term 14 days Temperature gradient 10 C per hour 10 C per hour Maximum wet bulb temperature 29 C 29 C Humidity operating 10 to 80 percent noncondensing 10 to 80 percent noncondensing Humidity nonoperating 10 to 90 percent noncondensing 10 to 90 percent noncondensing Introduction 1 13 ...

Страница 26: ... SOL10 SV Medium Optical Disk Library Service Manual EK MOL20 SV Large Optical Disk Library Service Manual EK SS100 SV Storage Server 100 Optical Disk Service Manual EK STSOP SV Optical Disk Library System Technical Reference Manual 5959 3559 GSD Technical Guide Optical Drives and Libraries 5960 7605 Optical Drive and Library SCSI 2 Command Reference 5960 7606 Offline Diagnostics for HP Optical Pr...

Страница 27: ...rating Temperature Clearance Requirements The RW504 RW524 optical disk library is designed to operate with an ambient air temperature range of 10 to 40 C 50 to 104 F with a rate of temperature change not to exceed 10 C 50 F per hour A minimum 70 80 mm 3 in is required behind the RW504 RW524 optical disk library rear panel to allow air circulation 2 3 Location Requirements Position the autochanger ...

Страница 28: ...ny items are missing please contact the factory Order Processing Center with the following information Original order number or unit serial number Receiving address If the unit is damaged it will be repaired or replaced Billing of the charges depends on whether the damage was caused by the carrier or the factory packaging The cause of damage will be determined by the field service representative P...

Страница 29: ... service Note Before you connect the optical disk library to the host verify that the host supports it Refer to the Product Support Plan for the most current list of host systems that support the RW504 RW524 optical disk library CAUTION The shipping screw must be removed from the disk library before connecting power Directions for removing the shipping screw are printed on the carton or see Figure...

Страница 30: ...nit on its side and remove the shipping screw as shown in Figure 2 1 Figure 2 1 Removing the Shipping Screw MK445 02 Shipping screw location 2 6 3 Installing the RW504 RW524 Optical Library The optical disk library has a single ended SCSI interface The total allowable cable lengths for a single ended SCSI is 3 9 meter CAUTION Do not switch off power to any peripheral on the SCSI bus if the bus is ...

Страница 31: ...nected to the host computer NO a Connect the SCSI cable to a SCSI socket on the rear of the autochanger Press in fully see Figure 2 3 b Plug the terminator into the other SCSI socket c Connect the other end of the SCSI cable to the SCSI interface on the computer Figure 2 2 Press in fully NOTE Before you connect the SCSI cable to the Host computer verify the SCSI IDs to ensure that bus address conf...

Страница 32: ...e which SCSI device is last on the chain of SCSI connections b Check SCSI IDs first then remove the terminator from the SCSI socket on the last device and connect the optical library SCSI cable to that socket Press in fully c Connect the other end of the SCSI cable to one of the SCSI sockets on the back of the optical library Press in fully see Figure 2 3 d Plug the terminator into the other SCSI ...

Страница 33: ...re 2 1 for the location of the shipping screw 1 Check the fuse and the voltage select switch setting Section 2 6 4 2 Check to make sure that the power switch located on the rear panel and the operation switch located on the front panel are switched off 3 Locate the power cord 4 Plug the power cord into the AC line connector located on the rear panel See Figure 2 3 Environmental Installation PM 2 7...

Страница 34: ...displays TESTING Once the power on test completes the control panel displays READY 7 If necessary set SCSI IDs to values for your configuration Section 3 3 4 Note A sequence of tests that are run when the disk library is first switched on The READY status on the control panel indicates that the unit is in sound condition If a TEST FAIL status appears on the control panel display refer to Chapter 4...

Страница 35: ... an active bus may cause data loss indeterminite bus states or both 1 Remove power from the autochanger a Press the operation switch located on the front panel so that it is in the OFF position b Press the power switch located on the rear panel so that it is in the OFF position c Disconnect the power cable 2 Verify that the correct fuse is in the fuseholder cap Refer to Figure 2 3 for the location...

Страница 36: ...lade screwdriver 2 6 5 Connecting an Uninterruptible Power Supply UPS To fully protect against data loss in the event of a power failure Digital recommends the use of an uninterruptable power supply UPS The UPS can be connected directly to the disk library or it can be a central UPS used by the entire computer system If a power failure occurs during a write operation the UPS will continue to suppl...

Страница 37: ...ction perform the following steps Use the proper cable when connecting a UPS to the autochanger Run test 75 after connecting the UPS to the autochanger See Section 4 9 2 for instructions for running test 75 2 7 Hardware Verification The Customer Engineer CE needs to verify that the optical disk library is fully functional To do this the CE powers up the unit which will invoke the poweron diagnosti...

Страница 38: ...ching off power or unplugging the power cord when the SCSI bus is active can cause data loss indeterminate bus states or both Check the host system reference manuals for information on checking the status of the SCSI bus Note Before you move an optical disk library to a new location make sure that all environmental requirements listed in Chapter 2 have been met and that the power outlet has been c...

Страница 39: ... press ENTER b Press NEXT until TEST 23 appears and then press ENTER CAUTION Do not switch off power or unplug the AC power cord from the optical disk library until you are sure that the SCSI bus is inactive Switching off the library or unplugging the power cord when the SCSI bus is active can cause data loss indeterminate bus states or both Check the host system reference manuals for information ...

Страница 40: ... specifications 6 32 UNC 2B screw 1 3 8 inches long 7 Repackage the autochanger in its original shipping carton and have the unit shipped in the same manner in which it was received Figure 2 4 Replacing the Shipping Screw MK445 02 Shipping screw location 2 14 Environmental Installation PM ...

Страница 41: ... usage Although an autochanger may be used in such a way as to make disk cleaning necessary it is not recommended To determine whether or not disk cleaning is appropriate for your customer s situation refer to Section 4 3 Optical Disk Cleaning CAUTION Do not attempt to clean the optical drive objective lens Although disk drive cleaning kits are available they are not approved for use with the RW50...

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Страница 43: ...efer to Figure 3 1 for the location of the front panel controls and features Table 3 1 lists and describes the callouts Figure 3 1 Front Panel MK445 03 9 Character Display 5 1 2 3 4 Mailslot Operation Switch Selection Controls Drive Indicator Product Operation and Configuration 3 1 ...

Страница 44: ...ent operation options available such as LOAD TEST INFOrmation CONFiguration EJECT and SCSI ID or to scroll the displayed choice forward by one PREV is pressed to scroll the displayed choice backward by one ENTER is pressed to choose the displayed selection Drive Indicator Lit when a read write erase or seek operation is done It is also lit during power on self test 9 Character Display Displays inf...

Страница 45: ...nnector 1 SCSI Connector 2 Voltage Select Switch 4 Table 3 2 Rear Panel Features and Controls Power connector Connection for power cord SCSI connectors Two SCSI bus format connectors that allow SCSI devices to be daisy chained If no other SCSI device exists after the current device on the chain a terminator must be connected to the unused connector continued on next page Product Operation and Conf...

Страница 46: ...to specify either a 115 volt or a 230 volt setting depending on the country in which the disk library will be used UPS 9 pin serial Connector Used to connect a communication cable between the optical disk library and an uninterruptable power supply UPS A UPS insures that data in the buffer during a write operation will not be lost in the event of a power failure Fuse receptacle The fuse receptacle...

Страница 47: ... NO CONFIG displays if you entered the wrong code 5 Press NEXT or PREV until the value you want appears in the display 6 Press ENTER once your choice displays SET displays briefly followed by CONF 7 Press CANCEL twice to return to READY 3 3 2 Displaying Information Logs INFO 1 With READY displayed press NEXT until INFO displays 2 Press ENTER 3 Press NEXT or PREV until the desired log number displa...

Страница 48: ...sed or the unit is switched off Note All tests except test 39 may be stopped by pressing CANCEL The current test iteration completes To stop test 39 press CANCEL twice 4 Once you press ENTER for the number of test iterations RUN displays where is the test number 5 The test runs If no problems are encountered the message PASS displays You may press CANCEL to get back to the READY state or you may p...

Страница 49: ... time it is pressed 1 With READY displayed press NEXT until SCSI ID displays 2 Press ENTER AC ID 3 displays This is the autochanger controller address If you want to change this address press ENTER otherwise press NEXT to display DRV ID 4 and then press ENTER 3 Press NEXT or PREV until the address you want is displayed 4 Press ENTER The address you chose is now set 5 Press NEXT until either UPDATE...

Страница 50: ... is also done through OSMS software Locating the disk library in a physically secure environment 3 3 6 Setting a New Security Code Note This procedure is explained in the Optical Library User s Guide EK STSOP UG It is presented here as information to service personnel in case the customer prefers this level of guidance while setting up the disk library Note A security code of 0 0 0 was set at the ...

Страница 51: ...e is displayed 10 Press ENTER SET is displayed if you entered the old number correctly NO CONFIG is displayed briefly and then CONF 17 is displayed if a mistake was made in keying in the old security code Follow steps 4 through 9 again Note It is a good idea for the customer to write down the new security code prior to entering it into the disk library Follow these steps to enter the new security ...

Страница 52: ...urity code is 0 0 0 default or the one set by the customer using CONF 17 3 3 7 1 Setting CONF 15 or CONF 20 1 Press NEXT until CONF displays and then press ENTER 2 Press NEXT or PREV until CONF 15 or CONF 20 displays 3 Press ENTER CODE1 and a flashing 0 displays 4 Press NEXT or PREV until the first security code number displays 5 Press ENTER CODE2 and a flashing 0 displays 6 Press NEXT or PREV unt...

Страница 53: ...ject command CONF 32 when this is set to ON the mailslot can be rotated open or closed from the control panel or it allows the host to control mailslot rotation using a SCSI Rotate Mailslot command Pressing NEXT on the disk library s control panel displays an OPEN MS or CLOSE MS message When the open or close message displays press ENTER to toggle the mailslot open or closed If the autochanger is ...

Страница 54: ...r Save Move Log Information Log 10 Save Clear clears the move log immediately Save saves the move log until Clear is configured 11 Clear Save Runtime Log Information Log 11 Save Clear clears the runtime log immediately Save saves the runtime log until clear is configured Configurations 15 20 require a security code 15 Prevent Media Removal security code required Off On No mailslot I O Off Normal m...

Страница 55: ...ains the status of configuration 15 upon power cycle or power failure Off Configuration 15 is not maintained through a power cycle or power failure 21 Enable Autochanger Retries On On Autochanger attempts to correct itself when it encounters difficulty Off Autochanger does not attempt to correct itself when it encounters difficulty 22 Clear Drive 1 Load Count Log Information Log 4 Save Clear clear...

Страница 56: ...he host sends a Rotate mailslot command and config 32 is set to off the host will receive a Check Condition followed by a Sense Key of Illegal Request On When a Rotate Mailslot command is received either from the host or via the control panel the mailslot is toggled open or closed 40 DEC OEM Mode Off Off Changes inquiry mode to DEC mode Required when connected to a DEC computer to ensure integrity...

Страница 57: ...tions 66 Zero all RAM Save Save RAM remains unchanged Clear Zeros all RAM locations and reboots Caution When this configuration is set to Clear the product ID and the vendor ID are cleared DO NOT perform this configuration operation Product Operation and Configuration 3 15 ...

Страница 58: ......

Страница 59: ...available through the control panel display This level of troubleshooting is used when hard repeatable errors are encountered intermediate level troubleshooting Error Information through SCSI Commands Error messages and log information available by issuing SCSI commands via an external PC based host computer This level of troubleshooting is used when soft intermittent errors are encountered in dep...

Страница 60: ...4 1 Operation Installation Troubleshooting Task Problem Symptom What to do Communicating host to library Can t get the host to recognize the optical disk library Check to make sure the disk library is supported on the host operating system Check to make sure the autochanger was installed and configured as described in the user s guide and the appropriate host system manuals Check the SCSI connecti...

Страница 61: ... to the default code NOTE Once this has been done the switches must be reset to their original settings in order for NVRAM to be maintained the next time power is switched off The customer may now use configuration 17 to set a new security code See Section 3 3 6 Loading Disks Disk inserted in mailslot but the display reads ERROR EMPTY or MISLOAD Remove the disk from the mailslot and try inserting ...

Страница 62: ...nreserved Autochanger power fails while a disk is in the drive If you need to remove the disk before power can be resupplied to the drive the eject tool can be used to recover the disk See Section 4 4 for instructions for using the eject tool Host computer power fails and the autochanger stays on After the host reboots file system check any write mounted surfaces Both the host system and autochang...

Страница 63: ...ing writing magneto optical disks Can t write to the disk Check the file system access permissions Check the write protect tab on each disk side to assure write enabled status Check to make sure the disk was initialized Check that the disk file system was mounted correctly Check your application software Removing disks Disk removal attempted but the storage slot or drive location won t display the...

Страница 64: ...ace and the terminator must both be either connected or disconnected If the controller senses that the optical drive is not connected to a host system via the SCSI interface additional self tests are run on the SCSI circuitry If these tests run while a terminator is attached voltage levels at the SCSI bus connector are different than expected and a self test failure results CAUTION Do not switch o...

Страница 65: ...es successfully both LEDs will turn off If power on self test fails the fault LED will remain lit 4 3 Optical Disk Cleaning Note Cleaning an optical disk is needed more commonly on standalone drives than with autochangers because of the differences in their environments and usage While the following information is therefore more applicable to standalone drives an autochanger may be used in such a ...

Страница 66: ...ronments such as coal mines railroad maintenance yards etc 4 3 1 Cleaning Tools Available Disks may be cleaned with the Optical Disk Cleaning Kit see Appendix B for ordering information This kit contains swabs and alcohol cleaning instructions and a special cartridge holder that keeps the sliding sleeve open Note If the problem appeared as loss of performance and cleaning a disk solved the problem...

Страница 67: ...om the drive while the drive is still secured in the autochanger Follow the service access procedures in Chapter 5 to access the front of the drive mechanism and then perform the following steps to remove a disk from the drive 1 Disconnect all power to the drive if you have not done so already 2 Insert the eject tool into the small round hole in the front panel of the drive 3 Turn the eject tool i...

Страница 68: ...ervation This method is usually used in situations where you have a hard error Troubleshooting Through the SCSI Bus This method is used in situations where you have a soft intermittent error Error information and logs accessed through the control panel are summarized By knowing how the autochanger operates and using the summarized information from the control panel display there is enough informat...

Страница 69: ...e Figure 4 2 The Autochanger Returns Suspect FRUs Note This test sequence returns possible failed FRUs only if there has been a HARD FAILURE The test sequence will NOT find an intermittent failure This test sequence called the FRU Isolation Test test 60 can also be run from the control panel Similar to its automatic operation this test sequence only points out isolates FRUs if there has been a har...

Страница 70: ...ure a process of elimination is used The components are tested in a sequence that starts with the most basic functions and builds to the more complex and interrelating components i e the motors cannot be tested if the power supply is dead Whenever the initialization sequence is run FIND HOME is attempted If the home position cannot be found the FRU isolation test is run automatically When the FRU ...

Страница 71: ...th the behavior of the drive you will be able to more easily detect the real problem pointed to by a suspect FRU Note The specific steps of the FIND HOME sequence and the possible errors which may result are listed in Section 4 11 The FIND HOME Sequence and Information Logs An example Say the autochanger fails with an error code of 4D hexadecimal MOTION ERROR CHECKING FOR CARTRIDGE IN THE PICKER a...

Страница 72: ... and their cables 2 Run autochanger controller PCA tests that do not cause host communication loss eliminates power supply power supply cables ROMs RAM motor control IC and microprocessor 3 Check that the motors are capable of moving by attempting to move them very small distances in both directions eliminates motor assemblies except belts motor cables PCA drivers 4 Pull picker fingers back They s...

Страница 73: ...anger e g the error log or move success log access the INFO option using the following steps 1 With the autochanger power on and in the READY state press NEXT TEST displays 2 Press NEXT until INFO displays 3 Press ENTER 4 Press NEXT or PREV until the desired log number is displayed 5 Press ENTER The log information will be displayed Note Some logs will display more information when NEXT or PREV is...

Страница 74: ...spect FRU 3 Test n test that failed abcdefgh time stamp 1 Firmware Version Number Displays the current autochanger firmware version number 2 Element Status Displays the status empty or full of the selected autochanger element Displays three numbers First Number Element number 0 picker 1 drive 10 mailslot 11 26 storage slots Second Number Element type 1 picker 2 storage slot 3 mailslot 4 drive Thir...

Страница 75: ...tains the number of successful moves that have occurred without a failure Each time a failure occurs the number of good moves is entered into the log and a new count is started This INFO display shows the most recent 10 or less entries in the log This log also shows the retry counts corresponding to each log entry Example 2 displays for each entity 1 33482 3 First display 1 entry number and 33482 ...

Страница 76: ...ne angle is the sum of the upward droop on one side of the picker plus the downward droop on the other side of the picker 22 Stack Tilt Displays the measured stack tilt of the box hexadecimal The height of each side of the autochanger or stack is the height of each of the two sensors Tilt is the measure of the difference of the heights of the sides 23 39 Minimum Clearance Minimum clearance for car...

Страница 77: ...O Logs No Log Name Description 31 Storage slot 8 32 Storage slot 9 33 Storage slot 10 34 Storage slot 11 35 Storage slot 12 36 Storage slot 13 37 Storage slot 14 38 Storage slot 15 39 Storage slot 16 Troubleshooting and Diagnostics 4 19 ...

Страница 78: ...her components For example if any portion of the electronics becomes intermittent or if friction increases on a part different components of the autochanger may appear to fail at varied points as the autochanger runs its code This results in many different error codes Note Instructions for running internal diagnostic tests are given in Section 4 9 A list of the available test choices and their des...

Страница 79: ...ycle power If error repeats Clear NVRAM by switching off power and setting switch 1 on the 8 switch rocker switch located on the controller PCA to the closed position and switching the power back on Clearing NVRAM sets the security code back to the default 0 0 0 If error repeats Replace autochanger controller PCA FRU 01 Power on check fix 06 Illegal interrupt seen by microprocessor Same as for err...

Страница 80: ...troller Chip Test verify failure 12 SCSI Controller Com nd Sequence Error Run test 34 SCSI Interface Controller Chip Test verify failure 13 SCSI Controller Status Sequence Error Run test 34 SCSI Interface Controller Chip Test verify failure LOOPBACK ERRORS Note Loopback connector 88780 60095 is not a Digital stocked part Refer to Appendix B for vendor ordering information 18 SCSI Connector Loopbac...

Страница 81: ...loopback connector 88780 60095 verify failure 20 SCSI Connector Loopback Error in DBP or RST Run test 41 SCSI Connector Loopback Test using loopback connector 88780 60095 verify failure MULTI FUNCTION PERIPHERAL IC ERRORS Visual inspection is not possible for errors 29 to 2E 29 RS 232 Loopback data did not match what was sent Run test 35 Multi function Peripheral Chip Test verify failure 2A Timed ...

Страница 82: ...k carriage picker for free motion The carriage should travel easily along the rail 3C Unspecified failure Run test 11 Autochanger Mechanism Exercise Test On error go to error code in this table 3E Unspecified servo failure Run test 11 Autochanger Mechanism Exercise Test verify failure Check the following assemblies in the autochanger for loose labels or other obstructions picker mailslot drive and...

Страница 83: ...48 49 Carriage motion failed during carriage picker assembly calibration Run test 51 Carriage Picker Assy Calibration verify failure 4A Motion error while determining orientation of the picker Run test 50 Find Home Sequence verify failure 4B No sensor found Run test 50 Find Home Sequence verify failure 4C Failed flip motion during Find Home sequence Run test 50 Find Home Sequence verify failure 4D...

Страница 84: ...s 57 Invalid test configura tion No FRUs failed Check cartridge configuration Check that the cartridge configuration number and location are correct for the test you are doing 59 Exerciser unrecovered error No FRUs failed Exerciser had an unrecovered error Rerun exerciser If exerciser fails again access the recovery log Recovery log is available only through the SCSI interface Call CSC Need to use...

Страница 85: ...alibration verify failure 6B 6C Path clear LED failed Run test 44 Clear Path Test verify failure Run test 51 Carriage Picker Assy Calibration verify failure 6D 6E Path clear sensor failed Run test 44 Clear Path Test verify failure Run test 51 Carriage Picker Assy Calibration verify failure 6F Path clear sensor system failed Run test 44 Clear Path Test verify failure Run test 51 Carriage Picker Ass...

Страница 86: ...ternal diagnostic On drive error codes check all cabling to from the drive for No broken wires No worn cables No loose connections Check the drive tray B8 Drive access error Run test 16 Drive I O Test verify failure Access the drive logs Drive logs are available only through the SCSI interface Call CSC DRIVE EJECT ERRORS BC Drive access failure Run test 16 Drive I O Test verify failure Access the ...

Страница 87: ...ion Test verify failure CC Unable to find a hard stop while turning the picker motor Run test 60 FRU Isolation Test verify failure CD Unable to find a hard stop while turning the carriage motor Run test 60 FRU Isolation Test verify failure CE Excessive force needed to move the carriage leadscrew Run test 60 FRU Isolation Test verify failure MISCELLANEOUS ERRORS FC The test can only be run from the...

Страница 88: ... Using data on the SCSI bus you can determine exactly what the autochanger was doing when a failure occurred all the way down to the macro move and micro moves Also through the Log Sense and Request Sense commands you can gather information on the optical drives which cannot be done through the control panel See Appendix A for information on decoding VMS operating system error logs and SCSI 2 code...

Страница 89: ...d information about the state of the autochanger after an error has occurred which is returned when a Request Sense command is issued through the SCSI bus Log Sense Command Table Table 4 2 This table shows the error and move information which is stored in various logs during autochanger operation and when running internal diagnostics 4 9 Diagnostics Several diagnostic programs and tests are availa...

Страница 90: ...run in series Each test exercises a specific portion of the autochanger Each test is identified by a test number that is requested when the test is to be run Tests return either PASS or FAIL All the tests are combined into groups of similar functions Sequence Tests 1 9 execute sequences of individual tests within the range of test 10 through test 69 Sequences may be used to either test many portio...

Страница 91: ...ANCEL Some tests require that CANCEL be pressed twice The unit will stop the test after it completes its current activity 5 Once you have pressed ENTER for the number of times the test will repeat RUN nn displays 6 At this point the test runs If no problems are encountered the message PASS nn displays You may press CANCEL to get back to the READY state or you may press ENTER to run another test If...

Страница 92: ...if needed If power failed in the middle of a move the autochanger tries a restore of the last move The autochanger tries to put the cartridge back to where it came from This attempt could fail Poweron sequence would fail POWERON ONLY 10 Initialize Element Status if needed 38 Light Show in the indicators of the control panel Mailslot rotation if not secured This rotation could fail Poweron sequence...

Страница 93: ...ructive RAM Test 32 RAM Checksum Test 34 SCSI Interface Controller IC Test 36 Motor Control IC Test 35 Multi Function Peripheral IC Test 31 ROM Checksum Test 33 Non Destructive RAM Test 32 RAM Checksum Test 34 SCSI Interface Controller IC Test 36 Motor Control IC Test 35 Multi Function Peripheral IC Test 37 Drive Connect Test 5 Initialize Mechanism Prepares the unit for movement Sequence Order Ini...

Страница 94: ...re required 14 Flip Test Makes a combination of moves with a PASS FAIL result It does several flips at various locations No cartridges are required 15 Storage Slot Test Makes a combination of moves with a PASS FAIL result It moves a cartridge from a randomly chosen full to a randomly chosen empty slot with a random flip It then moves the cartridge back to its original storage slot with its origina...

Страница 95: ...zed to all zeros 20 Set Speed Factor to Full Speed Allows the mechanics to be run at full speed 21 Set Speed Factor to Half Speed Allows the mechanics to be run at half speed 22 Set Speed Factor to Quarter Speed Allows the mechanics to be run at quarter speed 23 Shipping Moves the picker to the appropriate position for preparation for shipping 24 Fill Picker Moves a cartridge into the picker from ...

Страница 96: ... reports PASS 35 Multi Function Peripheral Chip Test Tests the functionality of the Multi Function Peripheral chip It verifies the timer by comparing it to he CPU clock and tests RS 232 capabilities with an on chip loopback 36 Motor Control Chip Test Exercises the registers of the motor control IC To run correctly this test shuts down the servo system 37 Drive Connect Test Checks for expected driv...

Страница 97: ...tical Sensor interactive See description for test 42 50 Find Home Sequence Moves the picker to a known home spot This test assumes nothing about the state of the mechanics The home location is at the lower left position of the box The servo system is initialized to the home location It then automatically runs test 51 51 Carriage Picker Assembly Calibration Test Runs the portion of the mechanism re...

Страница 98: ...res a disk in the Mailslot 68 Clear Mailslot Offset Clears the value calculated in test 67 70 74 Reserved For design production use only 75 UPS Test Tests whether or not the UPS is connected properly The test returns PASS if connected properly FAIL if the UPS is not connected properly or if there is no UPS connected 153 Random Exerciser Randomly exercises the autochanger Needs at least two cartrid...

Страница 99: ...ll be able to see what the mechanism was attempting when an error occurred by setting RETRIES to 1 Test 27 When limited to a single execution the autochanger is prevented from entering any error recovery sequences If you want to examine movements more closely set the speed to half or quarter speed Test 21 or Test 22 Possible errors are not accessable or displayed through the control panel Errors r...

Страница 100: ...there is a cartridge in the picker by plunging the fingers against a hard stop MMID 2 52 5 a Possible error 1 4D Motion error while checking for cartridge in picker b Possible error 2 65 Intermittent path clear sensor beam 7 Find orientation of the picker MMID 1 2 53 54 7 8 a Possible error 1 4A Motion error while determining the orientation of the picker b Possible error 2 4C Failed flip motion d...

Страница 101: ...r assembly with the nut facing upward if necessary MMID 1 2 7 8 a Possible error 4C Failed flip motion during Find Home sequence 10 Initialize the mailslot MMID 2 2B to 35 a Possible error B0 Mailslot will not rotate These steps are repeated in order until all pass or until any four failures accumulate If four failures occur the errors are diagnosed to three FRUs and a hardware error code is repor...

Страница 102: ...12 Detect cartridge in storage slot before grab and during Initialize Element Status 13 Take up the slack in the fingers before grabbing the carriage 14 Pull cartridge back from storage slot with cartridge 15 Push cartridge forward into storage slot 16 Detect cartridge in storage slot after insert 17 Pull fingers back from storage slot after releasing cartridge 18 Move fingers toward drive prepare...

Страница 103: ...Detect a cartridge in the mailslot after insert 2A Pull fingers back from mailslot after releasing cartridge 2B Move leadscrew tab toward actuator arm before pulling mailslot in 2C Carriage motion toward actuator arm where mailslot is engaged before pulling mailslot in 2D Move leadscrew tab to mailslot actuator arm before pushing mailslot out 2E Carriage motion toward actuator arm where mailslot i...

Страница 104: ...arriage motion to check for cartridge sticking out of the drive during error recovery toward then away from drive 47 Carriage motion toward drive looking for hard stop in the Find Home sequence 48 Release forces after finding hard stop 49 Carriage motion away from drive finding room to flip in FIND HOME sequence 4A Fast carriage motion toward drive to flip position 49 Carriage motion toward drive ...

Страница 105: ...y wiggle motion 62 Long carriage motions in drive recovery toward then away from the drive 64 Pull fingers back into picker during recovery 65 Pull fingers back from storage slot during storage slot recovery 66 Carriage motion while testing for cartridge in drive during drive insert recovery 67 Pull back fingers from drive after releasing cartridge during recovery 68 Move fingers with cartridge to...

Страница 106: ......

Страница 107: ... Precautions The RW504 RW524 optical disk library contains very sensitive electrical components It is EXTREMELY IMPORTANT that you follow the proper procedures for preventing ESD Electrostatic Discharge Use wrist grounding straps anti static mats and anti static work stations when removing and replacing the major assemblies CAUTION Failure to follow proper procedures could lead to intermittent fai...

Страница 108: ...us is active can cause data loss and or indeterminate bus states Use caution when servicing the optical disk library to insure that disk cartridges are not moved from their original slot locations If you need to remove the cartridges record their slot locations and orientation so they can be replaced to their original positions Failure to follow this practice will result in a serious loss of file ...

Страница 109: ...four T 15 screws at the back end of the access panel b Slide the side panel toward the back of the autochanger until the four tabs on the access panel are released from the autochanger chassis Note When removing the access panel be careful not to detach the four copper clips from the front of the access panel c Lift the panel off and away from the autochanger chassis 5 Remove the clear plastic cen...

Страница 110: ...more clearance for removing replacing the controller PCA See Section 5 4 3 1 Follow the steps in the service access procedure at the beginning of this chapter 2 Unplug the following cables from the controller PCA refer to Figure 5 1 UPS cable Carriage motor power cable Motor power cable Carriage assembly umbilical cable Carriage motor encoder cable SCSI ribbon cable and terminator if differential ...

Страница 111: ...T 15 screws that secure the PCA to the chassis See Figure 5 2 b Lift the side of the controller PCA that faces toward the back of the autochanger out towards you slightly and then slide the PCA towards the rear of the autochanger until it can be removed without catching any cabling Removal and Replacement 5 5 ...

Страница 112: ...e positions called out in Table 5 1 Refer to Figure 5 3 for the location of the dip switch Note that not all connectors are used on the controller PCA when reattaching the cables See Figure 5 1 Switch power to the disk library back on and set configurations 16 and 18 See Section 3 3 1 and Section 5 5 Cycle power off and on to allow the new configurations to take effect Refer to Section 5 4 3 to re...

Страница 113: ... Refer to Section 5 4 1 to replace the access panel and top cover Figure 5 3 Dip Switch Location on the Controller PCA Removal and Replacement 5 7 ...

Страница 114: ... Replacing the Front Bezel Assembly Note The front bezel must be removed in order to replace the following assemblies Fan Display operation buttons Drive mechanism Magazine guides Mailslot Operation switch 1 Follow the service access procedure at the beginning of this chapter 2 Snap off the small front access panel if necessary This panel only needs to be removed if the fan is being replaced a Pul...

Страница 115: ... removing the front panel mounting screws 3 Remove the two T 25 screws that secure the front bezel to the chassis These screws are located behind the front bezel as shown in Figure 5 4 Figure 5 4 Front Bezel Mounting Screws 4 Pull the front bezel off far enough to enable you to disconnect the front panel cable and the mailslot sensor cable see Figure 5 5 Removal and Replacement 5 9 ...

Страница 116: ...the front of the disk library 2 Remove the two pozidriv screws that secure the operation switch to the front of the disk library 3 Feed the switch through the opening in the chassis so the cable is in the midsection of the disk library 4 Disconnect the two power connectors from the controller PCA if they have not already been disconnected 5 10 Removal and Replacement ...

Страница 117: ...he power supply to the rear panel Pull the power supply assembly away from the rear panel just far enough to allow you to disconnect the power cable from the power supply PCA Set the power supply assembly aside 9 Cut the four cable ties that secure the power cable assembly to the top of the disk library chassis 10 Feed the large power connector that was just removed from the power supply through t...

Страница 118: ...e display while removing the screws that secure it to the front bezel The display assembly will fall out of the front bezel and could be damaged when these screws are removed Note The display assembly must be removed in order to replace the fan assembly 3 Lay the front bezel on its side and remove the three T 15 screws that secure the display assembly to the back of the front bezel See Figure 5 6 ...

Страница 119: ...ir of needle nosed pliers 5 Remove the display PCA by removing the four T 10 screws that secure it to the display assembly Once the display PCA is removed the rubber key pads can also be removed from the display assembly and replaced if necessary 6 Snap off the lower front section of the front bezel if it was not removed earlier see Section 5 4 3 7 Remove the two T 25 screws that secure the fan gr...

Страница 120: ...e attaching the display to the front bezel Insert the top of the display assembly into the front bezel before inserting the operation buttons Position the operation buttons in the front bezel so they do not obstruct the hole used to attach the display to the front bezel Remember to replace the cable clamp with the fan cable inserted when reattaching the display RFI shield to the front bezel Verify...

Страница 121: ...g When reinserting the mailslot into the chassis lift up on the mailslot assembly from inside the chassis to ensure the mailslot is seated properly on the guides Refer to Section 5 4 3 to reattach the front bezel Refer to Section 5 4 1 to replace the access panel and top cover Removal and Replacement 5 15 ...

Страница 122: ...e eject tool Instructions for using the eject tool are given in Section 4 4 The drive mechanism does not need to be removed to remove a disk from the drive 1 Follow the service access procedure at the beginning of this chapter 2 Remove the front bezel assembly See Section 5 4 3 3 Slide the picker up as far as it will go and secure it to the top of the autochanger chassis using a T 25 screw See Fig...

Страница 123: ...e 5 8 Picker Service Position 4 Remove the following cables from the back side of the drive mechanism See Figure 5 9 a Power cable b Drive interface cable and clamp c SCSI cable Removal and Replacement 5 17 ...

Страница 124: ...e Connections 5 Disconnect the optical sensor cable from the interconnect PCA See Figure 5 10 6 Remove the two T 25 screws that are located on each side of the front of the optical drive mechanism See Figure 5 10 5 18 Removal and Replacement ...

Страница 125: ...sor Cable Locations 7 Slide the drive mechanism assembly out through the center of the disk library see Figure 5 11 CAUTION Be careful not to catch the optical sensor cables on the drive mechanism while removing the drive Removal and Replacement 5 19 ...

Страница 126: ...rary 8 Remove the four T 10 screws that secure the drive to the drive plate see Figure 5 12 9 If you need to replace the optical sensor remove the T 15 screw that secures the optical sensor to the sensor bracket see Figure 5 12 5 20 Removal and Replacement ...

Страница 127: ... front of the drive mechanism is facing toward you Set the drive plate on top of the drive mechanism so that the sensor is facing toward you with the opening on the sensor facing to the right and the cables to the left Replace the screw in the left hole closest to you first Loosely tightening this screw will cause the other holes in the drive plate to correctly align with the holes in the drive me...

Страница 128: ... 11 Refer to Section 5 4 3 to reattach the front bezel Refer to Section 5 4 1 to replace the access panel and top cover Verify that the drive contains the correct firmware revision 5 4 8 Replacing the Interconnect PCA 1 Follow the service access procedure at the beginning of this chapter 2 Disconnect the optical sensor connector 3 Disconnect the drive interface cable 4 Disconnect the sensor cable ...

Страница 129: ...disk library on its side 3 Remove the T 15 screw that secures the carriage to the leadscrew assembly This screw is sealed with Loctite 4 Disconnect the front panel ribbon cable from controller PCA if it has not already been removed 5 Remove the T 25 screw that secures the carriage shaft to the top of the autochanger chassis see Figure 5 14 Removal and Replacement 5 23 ...

Страница 130: ...Figure 5 14 Removing the Carriage Picker Assembly 6 Slide the carriage shaft out of the opening in the bottom of the library chassis see Figure 5 15 5 24 Removal and Replacement ...

Страница 131: ...ontal position Carefully lift the picker assembly out of the chassis When reassembling Position the picker assembly in the autochanger before reinserting the carriage shaft The slotted end of the carriage shaft fits into a round metal protrusion at the top of the autochanger chassis Refer to Section 5 4 1 to replace the access panel and top cover Removal and Replacement 5 25 ...

Страница 132: ... assembly see Figure 5 16 This screw is sealed with Loctite 3 Rotate the end of the bracket that was attached to the carriage picker assembly toward you and slide the bracket up out of the way of the picker Figure 5 16 Removing the Leadscrew Mounting Screw 4 Slide the picker assembly up and secure it to the top of the autochanger using a T 25 screw See Figure 5 17 5 26 Removal and Replacement ...

Страница 133: ... the plastic tab on the motor and lift the screwdriver upward while pulling off the connector 6 Remove the two T 15 screws that secure the leadscrew base to the bottom of the chassis see Figure 5 18 Note When lifting the leadscrew assembly out of the disk library be careful to keep the assembly in an upright position to prevent the bearings from falling off the top of the leadscrew Removal and Rep...

Страница 134: ...rew Assembly When reassembling Refer to Figure 5 19 when replacing the leadscrew assembly Verify that the bearings are positioned correctly at the top of the leadscrew Align the tabs on the leadscrew base with the slots in the autochanger chassis and replace the two screws that secure the base to the chassis Remove the metal shipping bracket on the new leadscrew assembly see Figure 5 19 When you r...

Страница 135: ... the Power Supply 1 Remove power from the optical disk library Switch off both the power switch on the back panel and the operation switch on the front panel 2 Unplug the power cord from the back panel 3 Remove the four T 15 screws that secure the power supply assembly to the disk library back panel see Figure 5 20 Removal and Replacement 5 29 ...

Страница 136: ...e from the power supply PCA 5 Remove the power supply assembly by lifting up the power supply until the tabs on the power supply are released from the slots on the back panel Note No further disassembly of the power supply is required The power supply assembly is replaced as an entire unit Figure 5 20 Removing the Power Supply Assembly 5 30 Removal and Replacement ...

Страница 137: ...the service access procedure at the beginning of this chapter 2 Remove the front bezel assembly See Section 5 4 3 Note Replacement part number C1708 60026 includes two magazine guides Both guides must be replaced even though only one guide may be defective 3 Remove the four T 15 screws two per side that secure the magazine guides to a storage slot see Figure 5 21 4 Slide the magazine guides out of...

Страница 138: ... the back of each magazine guide fits into the slot in the front of the disk library before the guides are resecured to the storage slot Refer to Section 5 4 3 to reattach the front bezel Refer to Section 5 4 1 to replace the access panel and top cover 5 32 Removal and Replacement ...

Страница 139: ...ssembly see Section 5 4 10 Front bezel assembly see Section 5 4 3 Drive assembly see Section 5 4 7 1 Follow the service access procedure at the beginning of this chapter 2 Remove the four T 10 screws that secure the two SCSI connectors to the disk library back panel 3 Release the large cable clamp at the bottom center section of the disk library chassis 4 Disconnect the drive interface cable from ...

Страница 140: ... after adding drive mechanisms 5 5 1 Variables Set by Configuration 16 SCSI address of the autochanger Configurable options set to system defaults ROM dependent Whether the autochanger should report recovered errors CONF 27 Whether the autochanger should rotate the mailslot inwards when in secure mode CONF 31 Whether the autochanger should automatically initialize element status when cartridges ar...

Страница 141: ...e Success Log INFO 10 Clear Recovery Log Clear Runtime Log INFO 11 Clear number of major retries Clear number of inline retries Clear magazine and mailslot offsets unused in most units invalid in RSE units Reset the password to 0 0 0 5 5 2 Variables Set by Configuration 18 Reset the move odometer to zero INFO 9 Reset the flip odometer to zero INFO 12 Reset the translate odometer to zero INFO 13 Re...

Страница 142: ...current part number check your parts database for part number information Table 5 2 Exchange Assemblies FRU No HP Part Number Description Digital Part Number 1 C1708 66x01 Autochanger Controller PCA 29 30856 01 1 5063 2711 Autochanger Controller PCA with code 29 30856 01 20 C1716C opt728 Optical Drive Mechanism 650 Mbyte 29 30871 01 20 C1716T opt728 Optical Drive Mechanism 1 3 Gbyte 29 31453 01 20...

Страница 143: ...rew Assy 29 30863 01 26 C1708 60x26 Magazine Guides 2 NA 28 C1708 60x28 Power Supply 29 30858 01 29 C1708 60x29 Mailslot w Sensors 29 30859 01 30 C1700 60x30 Optical Sensor w Cable 41 C1708 60x41 Carriage Picker Flex Cbl 42 C1708 60x42 Carriage Rod 29 30861 01 47 C1708 60x47 Drive Tray 48 C1708 60x48 Fan 29 30862 01 51 C1708 60x51 Module Power Cable 53 C1708 60x53 Drive Interface Cable 54 C1708 60...

Страница 144: ...6 C1718 60x76 Key Pads black 77 C1708 60x77 Display Window dove gray 78 C1708 60x78 Vent Cover dove gray 79 C1708 60x79 Front Bezel dove gray 82 C1708 60x82 Power Button 83 C1708 60x83 Carriage Shield 84 C1708 60x84 Enclosure C1708 60x85 Front Bezel Fan Grill 3160 0444 Light Pipe C1708 48308 Access Panel C1708 00604 These parts are not stocked by Digital Digital Logistics can place P1 orders for t...

Страница 145: ...Figure 5 22 Optical Disk Library Exploded View Sheet 1 of 3 Removal and Replacement 5 39 ...

Страница 146: ...Figure 5 23 Optical Disk Library Exploded View Sheet 2 of 3 5 40 Removal and Replacement ...

Страница 147: ...Figure 5 24 Optical Disk Library Exploded View Sheet 3 of 3 Removal and Replacement 5 41 ...

Страница 148: ......

Страница 149: ...ostic strategy and the SCSI interface and command set are discussed 6 1 The Autochanger 6 1 1 Movements The mechanism code of the autochanger accepts high level SCSI commands from the interface translates these commands into servo code for the autochanger executes the command and reports status When a SCSI command is received it is translated into a series of smaller submoves in the servo code of ...

Страница 150: ... user The commands are translated into a series of moves which are basic autochanger functions These submoves are called macro moves In this library the macro moves are as follows Move carriage position the picker transport to a position along the rails Flip rotate the picker Cartridge I O plunge and retrieve the picker finger assembly to move cartridges between the picker and magazines drives or ...

Страница 151: ...set of these submoves to insure that the macro move will be gentle As a macro move is executed servo gains are adjusted to allow for changes in load characteristics An example of the process for a flip is as follows 1 Move picker finger assembly backwards a fixed distance to engage the flip lock 2 Change the gain to prepare for upcoming flip 3 Move the picker finger assembly backwards a fixed dist...

Страница 152: ...ravel horizontally translate The picker electronics include the picker motor with a ribbon cable connecting the motor to the carriage and the autochanger controller PCA The disk insertion slot referred to as the mailslot accepts a disk inserted shutter end first and rotates the disk 180 degrees This allows the picker to grasp the rear of the disk and insert the disk shutter end first into the driv...

Страница 153: ...h the microprocessor is clocking circuitry battery backed up RAM decoding logic and ROM The MOTOR CONTROL CHIP MCC is the interface between the 68000 processor and the motors The MCC reads the position encoders via Schmitt triggers and uses that information to increment or decrement counters on the chip The MCC also provides Pulse Width Modulation PWM output signals to drive the motor circuitry Th...

Страница 154: ...feedback from the picker and carriage motors through Z and Y encoders back to the MCC The vacuum filament display uses a 7 5 volt supply tied to a 5 volt reference resulting in an exitation voltage of from two to three volts The grids of the display are at approximately 20 volts The SCSI INTERFACE is the SPIFI chip All SCSI protocol is handled by the SPIFI under control of the main 68000 processor...

Страница 155: ...the level of AC line transients and the amount of switching noise leaving the supply For additional protection an over voltage protection device is enabled while in the 115 VAC position in the event that 230 volts in inadvertently connected a blown fuse is the only damage that would occur A diode array and several capacitors rectify and filter the incoming AC Included are two thermistors that limi...

Страница 156: ... controller PCA servo PCA loader mechanism and the optical head Figure 6 3 Figure 6 3 Functional Diagram 6 4 1 Controller PCA The controller PCA is a microprocessor based collection of digital electronics that handles functions performed by a SCSI controller a data buffer and a formatter sequencer 6 8 Theory of Operation ...

Страница 157: ...t the ANSI and ISO specifications During reads the decoder converts the serial data stream which includes format and error correction features into parallel data 6 4 2 Servo PCA The servo PCA includes a digital signal processor DSP that controls the actions of the many servo loops that interact with the optical head and the loader assembly 6 4 2 1 DSP Microprocessor and Support Servo Control Loops...

Страница 158: ... due to less mass on the moving portion of the optical head There are several actuators in the optical head The coarse position actuator moves the focus fine position actuators to the vicinity of the desired sector on the optical disk The fine actuator makes small corrections 25 tracks to center the optical head on the desired sector The focus actuator then moves up and down to provide optimal foc...

Страница 159: ...cturer and cannot be altered by a drive They contain information that the drive uses to best read and write to the optical disk Consult the ISO standard for more information 6 5 2 User Zone Layout 650 Mbyte Capacity The User Zone consists of Defect Management Areas DMAs a User Area and a Slipping Area The DMAs contain information on the organization of the User Area into User Groups and Spare Grou...

Страница 160: ...Figure 6 4 Optical Disk Layout 3 User Area that consists of g User Groups of n sectors each g Spare Groups of m sectors each 6 12 Theory of Operation ...

Страница 161: ...2 PDL and SDL 3 PDL and SDL 4 User Group 0 n Sectors User Group g 1 n Sectors Spare Group 0 m Sectors Spare Group g 1 m Sectors Slipping Area 2048 Sectors 18748 18750 C1716C Defaults g 1 m 2048 n 314569 576999 DMAs 1 and 2 1 Sector Reserved User Area DMAs 3 and 4 1 Sector Reserved Theory of Operation 6 13 ...

Страница 162: ... a Primary Defect List PDL and a Secondary Defect List SDL that provide information on the locations of defects The drive uses this information to perform defect management Although the User Zone consists of tracks and sectors it is often easier to think of it in terms of a large memory space of consecutive sectors Figure 6 6 shows the following parts of the User Zone for 1 3 Gbyte media 1 Four De...

Страница 163: ...yout for 1 3 Gbyte Media g 1 Track 0 PDL and SDL 1 PDL and SDL 2 DDS 1 DDS 2 Track 3 Track 37597 Track 37599 PDL and SDL 3 PDL and SDL 4 DDS 3 DDS 4 M 2264 2 Data Group 0 n Sectors Spare Group 0 m Sectors Track 37596 DMAs 1 and 2 User Area DMAs 3 and 4 1 Sector Reserved 1 Sector Reserved Theory of Operation 6 15 ...

Страница 164: ... 3 Track 1599 Data Group 0 n0 Sectors Spare Group 0 m0 Sectors Track 1600 Track 3299 Data Group 1 n1 Sectors Spare Group 1 m1 Sectors Track 34500 Track 37596 Data Group 15 n1 Sectors Spare Group 15 m1 Sectors Track 37597 Track 37598 Track 37599 PDL and SDL 3 PDL and SDL 4 DDS 3 DDS 4 M 2264 1 6 16 Theory of Operation ...

Страница 165: ...53 Data Band 12 47447 153 Data Band 13 49147 153 Data Band 14 50830 170 Data Band 15 52462 187 The format of 1 3 Gbyte media is often referred to as a sliding sector format This means that logical tracks do not necessarily align with physical revolutions Table 6 2 details the physical revolution to logical track layout for 1 3 Gbyte media Table 6 2 Physical Revolution to Logical Track Layout Zone ...

Страница 166: ...8000 20499 Data Band 10 13500 14849 20500 23099 Data Band 11 14850 16199 23100 25799 Data Band 12 16200 17549 25800 28599 Data Band 13 17550 18899 28600 31499 Data Band 14 18900 20249 31500 34499 Data Band 15 20250 21599 34500 37599 Outer Mfg 21600 22949 37600 37785 Outer SFP 22950 24299 37786 38046 6 5 5 Drive Defect Management The optical drive mechanism supports the defect management scheme spe...

Страница 167: ...User Area In general for 1 3 Gbyte g 1 or 16 n m or n0 thru n15 and m0 thru m15 are predefined based on g For more details consult the ISO or ECMA standard The PDL contains a list of defective sectors determined by the manufacturer or by a certification of the User Area i e during a SCSI Format Unit Command Defective sectors in the PDL are managed according to the slip sparing algorithm described ...

Страница 168: ...to account the effects of Spare Groups preceding this sector The User and Spare Groups are determined after slip sparing in a type of intermediate block addressing Slip sparing is always the first step of address translation for 130 mm optical disks followed by User and Spare Grouping and replacement sparing The data structures for slip sparing and User and Spare Grouping the PDL and DDS respectiv...

Страница 169: ...ne consists of a header user data and error correction information The first error threshold of importance involves information in the sector header Each header consists of three copies of the sector s track number sector number and a Cyclic Redundancy Check CRC The number of these sector IDs is used as an error threshold The other error threshold of interest involves information about error corre...

Страница 170: ... IDs ECC Level Format 2 3 Write 2 Erase 2 Verify 2 4 Read Recovered 1 7 Read 1 8 6 6 Error Detection and Recovery Refer to Figure 6 8 during the discussion in the next two sections Figure 6 8 Error Detection and Recovery 6 22 Theory of Operation ...

Страница 171: ...n error The positions of the motors are continuously monitored by the controller PCA The position along with the sense of touch feedback is a valuable source of error detection These processes also combine to detect errors For example the sense of touch and the motor position processes continuously monitor the motor position and motor force levels to sense whether a potential error has occurred It...

Страница 172: ...ot and storage slots are calculated based on the location of the sensors For recovery after power on many subsets of FIND HOME may be called One mode for example only determines which side of the picker faces the mailslot end of the chassis If any of the subsets of FIND HOME fail the full FIND HOME sequence is run A successful running of FIND HOME gives the autochanger code the exact positions of ...

Страница 173: ...l check of data on the disk should be done and the disk must be returned to the appropriate location element The picker element status always reflects the physical state of the picker The autochanger does not give a status when the picker is found unexpectedly full or empty because this logical error is not allowed At power on the picker is checked to see if it contains a cartridge The mechanical ...

Страница 174: ...ection of autochanger problems All logs are maintained within the nonvolatile RAM and are accessible through the control panel and by the SCSI Log Sense command over the SCSI interface The main functions provided with operational logs are described below Error Log The autochanger maintains a history of past diagnostic test errors that have occurred within the autochanger along with a time stamp of...

Страница 175: ...itration SCSI allows the host to initiate transactions then break communication with a device do something else and reestablish communication when the device is ready Finally SCSI is capable of high data transfer rates Synchronous data transfer rates may be as fast as 4 Mbytes second and asynchronous rates up to 1 5 Mbytes second limited only by the capabilities of the computer and peripheral CAUT...

Страница 176: ... command Code Hex Name Description 00 Test Unit Ready Provides a means to check if the logical unit is ready 01 Rezero Unit Moves the optical head to its recalibration position 03 Request Sense Requests the detailed error information 04 Format Unit Initializes the optical disk done only once for unformatted write once disks 07 Reassign Blocks Reassigns defective sectors 08 Read Reads data from the...

Страница 177: ...ands 10 byte command Code Hex Name Description 25 Read Capacity Reads the capacity of the optical disk 28 Read Reads data from the specified logical block address 2A Write Writes data to the specified logical block address 2B Seek Moves the optical head to the physical track where the specified logical block exists 2C Erase Executes erase operation from the specified logical block address on rewri...

Страница 178: ...e Reads drive resident logs and odometers 55 Mode Select Sets optical disk drive unit or controller unit parameters 5A Mode Sense Reads optical disk drive unit or controller unit parameters Table 6 6 Group 5 Commands 12 byte command Code Hex Name Description A8 Read Reads data from the specified logical block address AA Write Writes data to the specified logical block address AC Erase Executes era...

Страница 179: ...fline Diagnostic Information A 1 System Error Report Figure A 1 shows a typical VAX VMS system error report After analyzing the report for symptoms proceed to Section A 2 Offline Diagnostic Information A 1 ...

Страница 180: ...0054 SYSTEM F CTRLERR FATAL CONTROLLER ERROR SCSI CMD 00000003 0078 REQUEST SENSE SCSI STATUS 00 GOOD EXTENDED SENSE DATA EXTENDED SENSE 000B0070 0A000000 00000000 0000004E 00A50000 1A000000 00000100 07030000 00 ABORTED COMMAND SENSE CODE 4E X UCB B_ERTCNT 03 3 RETRIES REMAINING UCB B_ERTMAX 03 3 RETRIES ALLOWABLE ORB L_OWNER 00000000 OWNER UIC 000 000 UCB L_CHAR 1CC54008 DIRECTORY STRUCTURED FILE...

Страница 181: ...ata Parameter Block Format Byte 7 6 5 4 3 2 1 0 0 Valid Error Code 70h or 71h 0 1 Reserved 0 2 Reserved 0 Sense Key 3 6 Reserved 0 7 Additional Sense Length 8 11 Reserved 0 12 Additional Sense Code 13 Additional Sense Code Qualifier 14 Reserved 0 15 SKSV Sense Key Specific 16 17 Sense Key Specific Error Code Either 70h current error under VMS or 71h deferred error See Table A 1 Offline Diagnostic ...

Страница 182: ... was encountered on a READ or wasn t blank on a WRITE 0B Aborted Command 10 Additional Sense Code The Additional Sense Code specifies detailed information related to the error reported in the Sense Key field Additional Sense Code Qualifier The Additional Sense Code Qualifier specifies detailed information related to the Additional Sense Code SKSV When set to 1 the Sense Key Specific bytes contains...

Страница 183: ...e Manual 21 Second FRU 22 Third FRU 24 25 Reserved 0 27 Retry Count 28 29 Reserved 0 31 Recovery Count 32 34 Reserved 0 36 37 Source Element Number MvCap Last Rsvd 0 PosLost Cartin Reserved 0 23 DinRty DEjRty PkrRec CarAssy Reserved 0 BFHm FHR 26 DinRty DEjRty PkrRec CarAssy Reserved 0 BFHm FHR 30 Valid ErrEn Cartin CartEl UnexpMt UnexpF Cartinv ElRty 35 See Table A 2 Offline Diagnostic Informatio...

Страница 184: ...ved 0 50 54 55 56 57 60 Vertical Motor Commanded Position 61 64 Vertical Motor Actual Position 65 68 Horizontal Motor Commanded Position 69 72 Horizontal Motor Actual Position 73 77 Reserved 0 Micro Move ID History Failed Micro Move ID Micro Move Error Code Valid Valid ErrEn ErrEn Cartin Cartin CartEl CartEl UnexpMt UnexpMt UnexpF UnexpF Cartinv Cartinv ElRty ElRty 38 41 44 See the Micro Move ID T...

Страница 185: ...g move commands LastSCSI A Last bit of 1 indicates the autochanger has successfully returned the cartridge to the state they were in before the failed command was executed PostLost A Position Lost bit of 1 indicates the autochanger cannot calibrate the mechanism and has lost position of the picker CartTrans A Cartridge in Transport bit of 1 indicates a cartridge is in the picker mechanism DInRty A...

Страница 186: ... in this element UnexpMt An Element Unexpected Empty bit of 1 indicates this element was unexpectedly empty UnexpFl An Element Unexpected Full bit of 1 indicates this element was unexpectedly full CartInv A Cartridge Inverted bit of 1 indicates the cartridge is inverted from its state before the operation began ElRty An Element Required Retry bit of 1 indicates an operation in or out of this eleme...

Страница 187: ...rives 08 Failure while flipping the picker 0A Failure while translating the picker assembly 0E Failure while moving the picker fingers back in preparation to translate 10 Failure while moving the picker fingers to engage the cartridge from the source storage element 12 Failure while moving the picker fingers back to remove the cartridge from the source storage element 18 Failure while moving the p...

Страница 188: ...tor inward 42 Failure to ensure that the mailslot rotated inward 48 Failure while rotating the mailslot actuator outward 4A Failure to ensure that the mailslot rotated outward 50 Failure while the finding the home position 52 Failure while calibrating the carriage picker assembly 60 Initializing element status failed while testing an element with a cartridge in the picker assembly 80 Failure to re...

Страница 189: ...n 9 Move stopped because cartridge in path beam blocked A Cartridge not detected by cartridge in path beam B Carriage motor not tracking properly C Picker motor not tracking properly D Carriage motor measured voltage less than expected E Picker motor measured voltage less than expected 10 Find origin failed 11 Calibrate failed 12 Diagnose FRU failed 13 Initial recovery failed 14 Find home failed 1...

Страница 190: ...retraction 41 Failed to verify that a disk is in the storage slot on get using cartridge in path beams 42 Not able to measure the depth of the storage slot 43 Failed to free fingers from the storage slot 48 Could not find the back of the storage slot after insert 49 Failed to verify that a cartridge exists in the storage slot after insert 4A Could not free fingers from storage slot after insert 50...

Страница 191: ...log as in line errors below as retries 90 Drive access was disallowed because drive busy signal was active 91 Drive light stuck off 94 Outside mailslot sensor failed 95 Inside mailslot sensor failed 96 Mailslot rotation failure possibly caused by operator FA Test drive insert retry FB Timed out waiting for drive to eject when testing for the presence of a cartridge retry being attempted FC Retry b...

Страница 192: ...fic Information reassign blocks only Command Specific Information LSByte reassign blocks only Additional Sense Code Additional Sense Code Qualifier Reserved 0 SKSV Sense Key Specific Information if Sense Key 1 3 4 5 Sense Key Specific Information HP Specific Error Code HP Specific Error Code Reserved 0 HP Specific DSP Error Information MSByte HP Specific DSP Error Information LSByte HP Specific DS...

Страница 193: ...ormation The logical block address of the first defect descriptor not reassigned is returned in this field SKSV A Sense Key Specific Valid bit of 1 indicates that the Sense Key Specific Information is valid A SKSV bit of 0 indicates that there is no sense key specific information Sense Key Specific Information If the Sense Key equals 1 3 or 4 then byte 16 MSbyte and byte 17 LSbyte indicate Actual ...

Страница 194: ... 0C 02 3H ME Write Error Auto Reallocation Failed 10 00 4H HE ID CRC or ECC Error 11 00 3H ME Unrecovered Read Error 11 02 3H ME Error Too Long to Correct 11 07 3H ME Data Resynchronization Error 11 0B 3H ME Uncorrected Read Error Recommend reassignment 11 0C 3H ME Uncorrected Read Error Recommend rewrite 11 80 3H ME Unrecovered error sparing failed 12 00 3H ME Address Mark Not Found for ID Field ...

Страница 195: ...H IR Invalid Command Operation Code 21 00 5H IR Illegal Logical Block Address 22 00 5H IR Illegal Function 24 00 5H IR Invalid Field In CDB 25 00 5H IR Invalid LUN 26 00 5H IR Invalid Field In Parameter List 27 00 7H DP Write Protected 28 00 6H UA Medium Changed 29 00 6H UA Power On Reset or Bus Device Reset Occurred 29 80 4H HE Power on Reset or Bus Device Reset Occurred and Selftest Failed 2A 01...

Страница 196: ...c Failure in NVRAM Configurations 40 82 4H HE Diagnostic Failure in NVRAM Logs 40 83 4H HE DSP Poweron Failure 40 84 4H HE DM Exception unexpected flag 43 00 BH AC Message Error 47 00 BH AC SCSI Parity Error 48 00 BH AC Initiator Detected Error 4E 00 BH AC Overlapped Commands Attempted 53 00 4H HE Media Load Unload Failed 53 02 5H IR Medium Removal Prevented 55 00 2H NR System Resource Failure xac...

Страница 197: ...led 020B DSP import p failed 020C DSP export x failed 020D DSP export y failed 020E DSP export p failed 020F DSP upload log failed 0210 DSP log checksum failed 0211 DSP passthru failed 0212 Fault spinup failed 0213 Recalibrate optical disk gain failed 0214 DSP log command error 0215 DSP log unsupported 0216 DSP log status error 0220 Active sector SPDET error 0221 Active sector empty sector 0222 Da...

Страница 198: ...ty 022F Active sector no DSP status 0230 ENDEC locked on sector 0231 ENDEC locked prearmed 0232 ENDEC locked unexpected 0240 SEQ no transfer started 0241 SEQ unexpected EOHG 0242 SEQ unexpected status 0250 Media recognition failed 0251 Prearmed Watchdog timeout 0260 DM Task bad event 0261 DM mailbox bad event 0262 Next CD bad state 0263 Next operation bad state 0264 DM retry sector operations bad ...

Страница 199: ...ited fault 2024 DSP unsolicited warning 202A DSP unresponsive 202B DSP over responsive 202C DSP poweron failure 3001 SCSI controller kill error 3002 SCSI controller message error 3003 SCSI controller command error 3004 SCSI controller RAM error 3005 SCSI controller register error 3006 SCSI controller FIFO error 3007 SCSI controller target sequence error 3008 SCSI controller command sequence error ...

Страница 200: ...409 Number of spare blocks per group M field invalid 440A User spare blocks too large for media 440B PDL sector not found 440C SDL sector not found 440D PDL length field invalid 440E SDL number of sublists field not equal to one 440F SDL list length field invalid 4410 PDL list incomplete 4411 PDL list not sorted 4412 PDL entry invalid 4413 SDL list incomplete 4414 SDL list not sorted 4415 SDL defe...

Страница 201: ...ertification erase 4427 No SD list for certification write 4428 No maximum SD list for certification write 4429 No SD list for certification verify 442A No maximum SD list for certification verify 442B No write image memory available for certification 442C No write buffer memory available for certification 442D No SD list for reassign blocks read 442E No SD list for reassign blocks write 442F No S...

Страница 202: ...valid 4441 SFP largest track less than or equal to zero invalid 4442 SFP download P block failed 4443 DMA write failed all attempts 4444 EWR calibration error no memory 4445 EWR calibration error retries failed 4446 Spare retries were exhausted 4447 No memory for next spare table 4448 No working memory for read maps 4449 Retry error after DM error 444A Sector was spared successfully 444B No SD lis...

Страница 203: ...pitch is invalid 4458 SFP number of bands is invalid 4459 SFP banding constant is invalid 445A SFP number revolutions per band is invalid 445B SFP media type differs 445C SDL ID is invalid 445D SDL 2X group kind invalid 445E Format no replacement CD available 445F Too many PDL entries per band 4460 Format initial erase maps failed 4461 DMA erase during write failed 4462 Blank check during format c...

Страница 204: ...C test error C00B SEQ test error C00C ENDEC test error C00D Active sector test error C00E HMAC test error C00F Buffer RAM test error C010 Data loopback error C020 Connector loopback DBO IO error C021 Connector loopback DB1 CD error C022 Connector loopback DB2 MSG error C023 Connector loopback DB3 REQ error C024 Connector loopback DB4 ACK error C025 Connector loopback DB5 ATN error C026 Connector l...

Страница 205: ...rd for accessing the optical disk library through the SCSI bus DOSDASS2 fully exercises either standalone multifunction optical drives or autochangers that contain multifunction optical drives Information for getting and using DOSDASS2 is found in Appendix B Offline Diagnostic Information A 27 ...

Страница 206: ......

Страница 207: ... 02 Quantity 5 of RWX1K 01 Cartridges DL RWX1K AA Write Once Optical Disk Cartridges 512 bytes sector Formatted capacity is 594 Mbytes per disk RWX1K 02 30 40952 01 Write Once Optical Disk Cartridges 512 bytes sector Formatted capacity is 1 2 Gbytes per disk RWX5K 02 30 40952 02 Quantity 5 of RWX1K 02 Cartridges DL RWX1K BA 0 9m 3 ft SCSI jumper cable Champ to Champ connectors BC09K 03 1 8m 6 ft S...

Страница 208: ...s and alcohol C1700 88801 Optical Disk Library System Technical Reference Manual 5959 3559 GSD Technical Guide Optical Drives and Libraries 5960 7605 Optical Drive and Library SCSI 2 Command Reference 5960 7606 Offline Diagnostics for HP Optical Products 5960 7626 These parts can be ordered directly from the Hewlett Packard SMO facility in California Call 1 800 227 8164 between the hours of 6 A M ...

Страница 209: ...e DOSDASS2 diagnostics you must have an IBM AT compatible computer an adapter interface board 152x 154x a SCSI cable and the Offline Diagnostics for Hewlett Packard Optical Products manual All other manuals and the DOSDASS2 diagnostic software are available from the Hewlett Packard Support Center in Greeley Colorado Call the Hewlett Packard Support Hotline 303 350 4646 to order Diagnostics and SCS...

Страница 210: ......

Страница 211: ...erminate the SCSI chain by installing the SCSI terminator in the second SCSI port of the second Optical Library See Section C 2 for directions You must also set a new SCSI address for the autochanger controller and the two optical disk drives of the second Optical Library unit See Section C 3 for directions C 1 Connecting Two Optical Library Units to Two SCSI Ports To connect two Optical Library u...

Страница 212: ... To connect two Optical Library units to one SCSI port on your host computer uncrate and remove the shipping screw on each Optical Library for connection to the host computer Then see Figure C 1 and follow these steps Figure C 1 Connecting Two Optical Library Units RW504 RW524 to One SCSI Port MK445 07 1 If you have already connected one Optical Library to the host system then go to the next list ...

Страница 213: ...of the second Optical Library If the first Optical Library is not already connected to the host system connect the first Optical Library unit to the host by following the instructions in your host system documentation after SCSI IDs are changed C 3 Resetting Controller and Drive SCSI Addresses If two Optical Library units are daisy chained together such that the first Optical Library unit is conne...

Страница 214: ...CONFLICT displays If CONFLICT displays two or more drives and or the controller have been set to the same address and must be reset If UPDATE displays and you are satisfied with the address you have selected press ENTER 10 Record the new address settings for future reference CAUTION Do not press the Optical Library operation switch located on the front panel or the power switch located on the rear...

Страница 215: ...nnecting an Uninterruptible Power Supply 2 10 Connecting Multiple Optical Libraries C 1 Connecting Two Optical Library Units to One SCSI Port C 2 Connecting Two Optical Library Units to Two SCSI Ports C 1 Contents of Shipment 2 3 Control Panel 3 1 Control Panel Operations 3 1 Controller PCA 6 8 Data Buffer 6 9 Formatter Sequencer 6 9 SCSI Controller 6 9 Controlling Mailslot Rotation 3 11 D Diagnos...

Страница 216: ... for n and m for 1 3 Gbyte 6 17 Group 1 and 2 Commands 6 29 Group 5 Commands 6 30 H Hardware Error Codes 6 26 Hardware Error Codes and Recovery Procedures 4 20 Hardware Errors 4 20 Error Codes 4 20 Recovery Procedures 4 20 Hardware Verification 2 11 Host Configuration 3 11 HP Specific Error Codes A 19 I Information Logs 3 5 4 15 Displaying 3 5 Installation Procedures 2 3 Installing the RW504 RW524...

Страница 217: ...utochanger Controller PCA RAM 5 34 Removal and Replacement 5 1 5 8 Replacing the Autochanger Controller 5 4 Replacing the Fan Display Operation Button Assemblies 5 12 Replacing the Front Bezel Assembly 5 8 Replacing the Front Operation Switch 5 10 Replacing the Interconnect PCA 5 22 Replacing the Internal UPS Cable 5 33 Replacing the Leadscrew Assembly 5 26 Replacing the Magazine Guides 5 31 Repla...

Страница 218: ...ing the RW504 RW524 2 13 Single ended SCSI Interface 1 5 Slip Sparing Algorithm 6 20 Specifications 1 7 1 13 Environmental Specifications 1 13 Performance Specifications 1 8 T The Autochanger 6 1 Mechanics 6 4 Movements 6 1 The Autochanger Controller PCA 6 4 The Power Supply 6 7 Theory of Operation 6 1 Controller PCA 6 8 Drive Defect Management 6 18 Mechanism Assembly 6 10 Multifunction Optical Dr...

Страница 219: ...Voltage Configuration 2 10 Index 5 ...

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