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B.3 Restoring the System Disk

To restore the system disk from a tape cartridge, use the following procedure.
1. Determine the device names of the drive holding the system disk and the

drive holding the backup disk or tape cartridge. Enter the SHOW DEVICE

command at the console prompt (

>>>

).

2. Boot standalone BACKUP as described in Section B.1.2 or Section B.1.4.
3. If you have a backup tape cartridge, make sure it is write protected. Insert it

in the drive.

4. Enter the BACKUP command in one of the following formats.

$ BACKUP/IMAGE/VERIFY source_drive: target_drive:

Return

$ BACKUP/IMAGE/VERIFY source_drive:-

Return

-$ saveset.BCK/SAV/REWIND target_drive:

Return

where:
•

source_drive

is the location of the files that you want to restore. Use the

device name of the drive holding the backup disk or tape cartridge.

•

target_drive

is the destination. Use the device name of the drive holding

the system disk.

•

saveset.BCK

is the name of the saveset, if you have a backup tape

cartridge.

For example:

$ BACKUP/IMAGE/VERIFY DIA0: DIA1:

Return

The following example uses the BACKUP command to restore the system

disk from a backup tape cartridge.

$ BACKUP/IMAGE/VERIFY-

Return

-$ MIA5:APR_19_1991.BCK/SAV/REWIND DIA0:

Return

5. The system displays the following message.

%BACKUP-I-STARTVERIFY, starting verification pass

If you are backing up to a disk or if your saveset fits on one tape, proceed to

step 7.

6. If you have more than one backup tape cartridge, the system displays the

following message.

B–10 Backup Procedures

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Содержание VAX 4000 500A

Страница 1: ...VAX 4000 Model 500A 505A 600A 700A 705A Operation Order Number EK 494AB OP B01 Digital Equipment Corporation Maynard Massachusetts...

Страница 2: ...hts Reserved The following are trademarks of Digital Equipment Corporation CompacTape CX DDCMP DEC DECconnect DECdirect DECnet DECscan DECserver DECUS DECwindows DELNI DEMPR DESQA DESTA DSRVB DSSI Inf...

Страница 3: ...ase System Components 1 20 1 2 1 1 Central Processing Unit CPU 1 20 1 2 1 2 Console Serial Line Unit SLU 1 20 1 2 1 3 Main Memory 1 20 1 2 1 4 Network Controller 1 21 1 2 1 5 CPU DSSI Controllers 1 21...

Страница 4: ...2 3 1 1 2 Write Protecting an EF RF Series ISE 3 4 3 1 1 3 Changing the Bus Node ID Plugs 3 9 3 1 2 TF Series Tape Drive 3 10 3 1 2 1 Operation of the Drive 3 12 3 1 2 2 Labeling a Tape Cartridge 3 1...

Страница 5: ...ACKUP B 1 B 1 1 Installing Standalone BACKUP on the System Disk B 2 B 1 2 Booting Standalone BACKUP from the System Disk B 2 B 1 3 Installing Standalone BACKUP on a Tape Cartridge B 3 B 1 4 Booting St...

Страница 6: ...2 R400X Expansion 1 24 2 1 Normal Power Up Indications 2 5 2 2 Device Names 2 10 3 1 EF RF Series ISE Controls and Indicators 3 4 3 2 TF Series Tape Drive Controls 3 22 3 3 TF Series Tape Drive Indic...

Страница 7: ...DSSI device parameters from console mode A glossary explains key terms and abbreviations The following conventions are used in this manual Convention Meaning Key A terminal key used in text and exampl...

Страница 8: ......

Страница 9: ...ral processing unit CPU module Memory modules Console module EF RF series Integrated Storage Elements ISEs TF series or TK50 TK70 tape drives Q bus option modules Power supply Fans Using the dual disk...

Страница 10: ...three position rotary lock lets you lock the upper and lower doors or just the lower door Opening the upper door lets you access controls for the EF RF series Integrated Storage Elements ISEs tape dri...

Страница 11: ...dle Both Doors MLO 004958 Middle Key Position No Access to Controls Bottom Key Position Access to Power Switch All Controls and Indicators Top Key Position Access to SCP ISEs and Rotary Lock Indicator...

Страница 12: ...lock on the front door Turn the key to the top position to open the upper door or to the bottom position to open both doors With the key in the bottom position the upper and lower doors will open toge...

Страница 13: ...MLO 004035 Bottom Key Position The next section describes the BA440 enclosure which is exposed when you open both doors System Overview 1 5...

Страница 14: ...SCP Console Module Fans The BA440 enclosure can contain the following Mass storage TF series or TK50 TK70 tape drives and using the dual disk RF31T RF35 RF36 up to six EF RF series ISEs or up to seve...

Страница 15: ...a tape drive and up to six EF RF series ISEs tapeless systems can have up to seven EF to RF series ISEs Each ISE has its own controls and indicators ISE 3 ISE 2 ISE 1 and 0 Tape Drive MLO 007696 Instr...

Страница 16: ...indicator that flashes when the system internal temperature is approaching a level that may cause system components to overheat In addition to the flashing indicator an audible alarm provides warning...

Страница 17: ...enter console commands If you inadvertently press the Halt button type C Return to continue Chapter 2 describes halting your system in more detail CAUTION Pressing the Halt button halts the system reg...

Страница 18: ...ers those slots Slots 6 through 12 are available for Q bus option modules MLO 004037 Baud 300___________0 600___________1 1200__________2 2400__________3 4800__________4 9600__________5 19200_________...

Страница 19: ...the type of module installed in each slot Modules requiring external cable connections such as communication controllers have recessed covers that are riveted directly to the module The recessed cover...

Страница 20: ...s Modified Modular Jack Break Enable Disable Switch Bus Node Ethernet Connector Standard Ethernet ThinWire Ethernet ID Plugs Connector Connector Switch External Bus Bus 1 MLO 004038 Power Up Mode Swit...

Страница 21: ...ce during system power up Break Enable Disable Switch When it is down position 0 breaks are disabled When it is up position 1 breaks are enabled When breaks are enabled pressing Break on your console...

Страница 22: ...your system by connecting additional mass storage devices to the second DSSI Digital Storage System Interconnect bus You can share the mass storage devices with another system by forming a DSSI VAXclu...

Страница 23: ...es installed in your system It lets you expand your system by connecting additional mass storage devices to the bus You can also share mass storage devices with another system by forming a DSSI VAXclu...

Страница 24: ...ower Switch DC OK Indicator Over Temperature Condition Indicator Fan Failure Indicator Power Bus Connectors Power Cable Connector AC Present Indicator MLO 004040 Power Switch It turns system power on...

Страница 25: ...oling fans stops working The power supply automatically shuts down your system as a precautionary measure when a fan failure is detected Call your Digital service representative if a fan failure occur...

Страница 26: ...Power Bus cable is connected here the other end is connected to the secondary in SI connector on the expander power supply The secondary in SI connector receives the power control bus signal from the...

Страница 27: ...depending on the surrounding room temperature To reduce the load on the fans keep your system away from heat sources Note The power supply monitors the fans If one fan stops working the Fan Failure in...

Страница 28: ...ontain the logic arithmetic and control functions used by your system 1 2 1 2 Console Serial Line Unit SLU Your system has a serial line unit connecting the console terminal to the system The SLU conn...

Страница 29: ...SSI buses 0 and 1 through which the CPU can communicate with DSSI devices Each adapter can support eight nodes with the adapter and each DSSI storage device counting as one node Therefore each adapter...

Страница 30: ...our system You can copy individual files or programs or you can copy back up the contents of a fixed disk Tapes are commonly used to archive data Mass Storage Controllers and Adapters All mass storage...

Страница 31: ...number of DSSI buses For this maximum number of DSSI nodes 8 per bus For this maximum number of DSSI devices 7 per bus 2 0 2 16 14 2 1 3 24 21 2 2 4 32 28 4 w daughter board 0 4 32 28 4 w daughter bo...

Страница 32: ...0X Expansion Number of Single Bus Boxes Number of Split Bus Boxes Total Buses Number of Maximum Devices 1 1 7 1 2 13 7 top row bus 6 bottom row bus 2 2 14 7 per box 2 4 26 13 per box 1 1 3 20 13 split...

Страница 33: ...igital representative for more information on those and other expander products 1 2 2 4 Communication Controllers Besides the console serial line most systems have additional communication controllers...

Страница 34: ...uters transmit digital signals while telephone lines with the exception of digital leased lines transmit analog signals When two computers communicate over a telephone line a modem is required at the...

Страница 35: ...other systems Perform operations such as editing and printing on remote systems Share resources such as laser printers The network controller function for your system is on the CPU module but a secon...

Страница 36: ...system to form a DSSI VAXcluster configuration described in Section 1 3 When a DSSI bus is extended to a second system both systems can share up to six DSSI storage devices When a DSSI bus is extende...

Страница 37: ...Figure 1 1 Possible DSSI Configurations SA M3108 PA SA M3108 PA J1 J1 J2 J2 b SA M3108 PA J1 J2 SA M3108 PA J1 J2 a M9404 MLO 010189 System Overview 1 29...

Страница 38: ...es through a Digital Storage System Interconnect DSSI bus Each system can have direct access to any of the devices on the DSSI bus including a shared system disk The simplest DSSI VAXcluster configura...

Страница 39: ...ed DSSI Bus and Devices 1 0 System 2 1 0 5 MLO 010812 Note In the sample configuration shown above the shared bus Bus 0 is fully configured 2 DSSI adapters 6 DSSI storage devices bus nodes 0 5 8 nodes...

Страница 40: ...lite knows that the system disk is available through a second path So the satellite nodes establish a new connection through the other system and continue operation To increase system availability a s...

Страница 41: ...ctory Installed Software User Guide shipped with your system for instructions on starting up factory installed VMS To install other operating system options or layered products see the instructions in...

Страница 42: ...ather than Break to initiate a break signal You can use the console command SET HALT REBOOT or SET HALT RESTART_REBOOT to set your system to automatically boot software after the system is halted due...

Страница 43: ...Enable Disable switch to enable up position 1 That lets you halt the system by pressing Break on the console terminal Note You can use the console command SET CONTROLP to specify Ctrl P rather than Br...

Страница 44: ...stem clock may run down Once the system is booted reset the system clock as described in your system software manual 2 3 Turning On the System Once you set the switches correctly you are ready to turn...

Страница 45: ...Light temporarily at power up If you do not observe the indications in Table 2 1 refer to your system Troubleshooting and Diagnostics manual Every time you turn on your system it runs a series of sel...

Страница 46: ...r6 000048DC r7 20008000 r8 00008000 EPC FFFF90D6 06 05 04 03 Normal operation not possible If possible print out the error summary and give it to your Digital service representative The number follow...

Страница 47: ...d Loading system software BOOT R5 0 DIA0 2 DIA0 1 0 Loading System Software with No Boot Device Selected If you did not select a boot device and the Break Enable Disable switch is set to disable the s...

Страница 48: ...ied Available devices DIA0 RF73 DIA1 RF73 MIA5 TF85 TF86 EZA0 08 00 2B 06 10 42 Device EZA0 DIA0 BOOT R5 0 DIA0 2 DIA0 1 0 Note If you do not enter a device name within 30 seconds the system attempts...

Страница 49: ...s your system will check for bootable software The system checks the devices in the order specified and boots from the first that contains bootable software For example SET BOOT DUA0 DIA0 MIA5 EZA0 te...

Страница 50: ...es KDA50 DUcu2 TK50 tape drive TQK50 MUA0 TLZ06 tape drive KZQSA MKAu TSZ07 tape drive KZQSA MKAu RRD42 tape drive KZQSA DKAu RWZ01 tape drive KZQSA DKAu 1m DSSI bus adapter A internal bus 0 B externa...

Страница 51: ...process refer to your system Technical Information manual 2 4 2 Booting the System from Console Mode If the Break Enable Disable switch is set to enable your system powers up to console mode indicated...

Страница 52: ...software from a cartridge in the TF85 TF86 tape drive If you enter the BOOT command without specifying a device your system attempts to boot from the default boot device or string of devices defined b...

Страница 53: ...returns control to the console program You may need to halt the system during software installation Or you may want to boot the system from another device for example a tape cartridge containing Micro...

Страница 54: ...the system is halted If you inadvertently halt the system type CONTINUE Return at the console prompt The processes interrupted by the halt will continue 2 7 Restarting the System CAUTION Restarting y...

Страница 55: ...om an Over Temperature Condition If the system internal temperature approaches a level that can cause components to overheat an audible alarm sounds and the Over Temperature Warning indicator on the S...

Страница 56: ......

Страница 57: ...igital disc subsystem SF series mass storage array TF857 tape subsystem and TSZ07 TSV05 or TU81 tape drive can be added to your system If your system contains one of those options refer to the user s...

Страница 58: ...ame mass storage cavity and RF35 front panel Refer to Appendix B for information on setting or examining parameters for DSSI devices 3 1 1 1 EF RF Series Controls and Indicators Each EF RF series ISE...

Страница 59: ...tors there are two sets of controls and indicators as EF RF ISEs can have two disks behind the one panel Bus node ID plug Fault indicator Run Ready indicator Bus node ID plugs identify the bus node nu...

Страница 60: ...are from writing to ISE Out not lit ISE not write protected System software can read from or write to ISE 3 1 1 2 Write Protecting an EF RF Series ISE You may want to write protect an ISE containing s...

Страница 61: ...VMS DCL command SHOW DEVICE DI to check the protection status of the drive A write protected drive shows a device status of Mounted wrtlck Refer to your VMS documentation for more information on using...

Страница 62: ...ole mode by pressing the Halt button or powering up the system with the Break Enable Disable switch set to enable up position 1 CAUTION Halting your system without following the shutdown procedure des...

Страница 63: ...u set host to the intended drive enter the command LOCATE at the PARAMS prompt That command causes the drive s Fault indicator to blink momentarily 3 Enter SHOW WRT_PROT to verify that the WRT_PROT pa...

Страница 64: ...ROT 1 0 Boolean 0 1 PARAMS EXIT Exiting Stopping DUP server To remove hardware write protection repeat the procedure but set WRT_PROT to 0 You can verify that the device is write protected while runni...

Страница 65: ...ander If you create a DSSI VAXcluster configuration The ID plugs have prongs on the back that indicate the bus node number unit number of the ISE To remove a plug grasp it firmly and pull straight out...

Страница 66: ...o allocation class assign new Mass Storage Control Program MSCP unit numbers for devices on all but one of the DSSI buses The unit numbers for all DSSI devices connected to a system s associated DSSI...

Страница 67: ...he handle open to insert or remove a cartridge Push the handle closed to lock a cartridge in position and load the tape You use the Unload button to rewind and unload the tape Rewinding and unloading...

Страница 68: ...Tape In Use Yellow Use Cleaning Tape Orange Operate Handle Green MLO 006543 Unload Button 5 To operate the drive properly you must carefully monitor the indicators The instructions for inserting and...

Страница 69: ...to the cartridge and the leaders uncouple 3 1 2 2 Labeling a Tape Cartridge After recording data in a cartridge label its contents A slot for the label is on the front of the cartridge Write your iden...

Страница 70: ...switch is set to the write protect position or when writing is software disabled When you use a tape cartridge to install software make sure the cartridge is write protected Two icons on the switch in...

Страница 71: ...by using software commands The TF series tape drive always recognizes a tape recorded on a TK50 TK70 drive as write protected You can remove write protection on tapes recorded on a TF series drive as...

Страница 72: ...til the Write Protected indicator goes off 3 1 2 4 Tape Cartridge Handling and Storage Guidelines Do not touch the exposed surface of the tape Do not drop the tape cartridge The impact from a fall can...

Страница 73: ...ht and the beep indicate that you can move the cartridge handle CAUTION Move the handle only when the green indicator light is on Moving the handle when the yellow indicator light is on can damage the...

Страница 74: ...or Is On Handle Cartridge Arrow Is Facing Left Yellow Indicator Blinks U se C le an in g T ap e T F 8 5 U se C le an in g T ap e T F 8 5 U se C le an in g T ap e T F 8 5 MLO 006544 1 3 18 Operating th...

Страница 75: ...r glows steadily the tape is ready to use Note If the green indicator blinks rapidly after you push the handle closed the drive has detected a cartridge fault Pull the handle open and remove the cartr...

Страница 76: ...llowing procedure 1 Yellow Indicator Blinks Unload Button Green Indicator Is On 2 Green Indicator Is On Handle 3 Cartridge Arrow Is Facing Left 4 U se C le an in g T ap e T F 8 5 U se C le an in g T a...

Страница 77: ...ep pull the handle open CAUTION Move the handle only after the yellow indicator is off and the green indicator is on Moving the handle while the yellow indicator is blinking can damage the drive 3 Rem...

Страница 78: ...ugh 6 Refer to Section 3 1 1 3 for instructions on changing bus node ID plugs Not Installed Drive bus node number is undefined All four indicators light indicating fault condition Table 3 3 describes...

Страница 79: ...handle to remove cartridge If fault persists all four lights continue to blink Do not remove cartridge Call your Digital service representative 3 1 2 8 Cleaning the TF Series Tape When the Use Cleani...

Страница 80: ...f the TK70 You should use CompacTape II to make copies or backups of software or data The TK70 drive cannot write to CompacTape or CompacTape II that was written by a TK50 tape drive TK70 Tape Drive C...

Страница 81: ...e the drive properly you must carefully monitor the indicator lights Instructions for inserting and removing cartridges which appear later in this section tell you what should happen at each step Tabl...

Страница 82: ...Tape Cartridge After recording data in a cartridge label its contents A slot for the label is on the front of the cartridge Write the identification on the label and insert the label in the slot Label...

Страница 83: ...position Use operating system commands described in your system software manuals Not Write Protected Write Protected MLO 000961 Your system can read information on the tape regardless of the position...

Страница 84: ...The TK70 drive recognizes a tape recorded on a TK50 drive as write protected To remove write protection on tapes recorded on a TK70 drive If the cartridge is write protected by the write protect switc...

Страница 85: ...ont of the cartridge Store cartridges in a dust free environment Keep cartridges away from direct sunlight heaters and other sources of heat Store cartridges in a stable temperature between 10 and 40...

Страница 86: ...beep indicate that you can move the cartridge release handle CAUTION Move the handle only when the green indicator light is on Moving the handle while the yellow light is on can damage the drive If al...

Страница 87: ...2 3 Green Light Is On Handle Cartridge Arrow Is Facing Left Yellow Light Blinks MLO 002459 Operating the System Options 3 31...

Страница 88: ...s ready to use Note If the green light blinks rapidly after you push the handle closed the drive detected a cartridge fault Pull the handle open and remove the cartridge Use another cartridge Refer to...

Страница 89: ...tape before you can remove the cartridge from the tape drive Use the following procedure MLO 002460 1 Yellow Light Blinks Unload Button Green Light Is On 2 Green Light Is On Handle 3 Cartridge Arrow...

Страница 90: ...damage the drive 3 Remove the cartridge and store it in its container 4 Push the drive handle closed The green light remains on indicating there is power to the drive and you can safely move the hand...

Страница 91: ...ad fault Cartridge leader may be defective Pull out handle and remove cartridge Do not use cartridge On Off On steadily Off Tape loaded but not in motion On Off Blinking Off Tape in motion On On stead...

Страница 92: ...ny peripheral device connected to a serial communication controller 1 Make sure the device is properly connected to your system 2 Make sure the device is properly installed plugged into an appropriate...

Страница 93: ...0 4800 or 9600 Other settings should be the same as those described in the previous section Before using a phone line with modem support you must set certain parameters such as line speed See your sys...

Страница 94: ...onnected to a larger Ethernet or can serve to connect up to eight systems in a local area network A ThinWire cable can be connected as follows To a ThinWire Ethernet multiport repeater DEMPR or ThinWi...

Страница 95: ...onverter with DMA capability Before using a real time controller make sure the devices connected to the controller are properly set up Refer to the documentation for the real time device 3 4 Printer O...

Страница 96: ...ou need to order A Digital service representative should perform the installation since the system must be properly configured to work correctly CAUTION Do not attempt to remove rearrange or install m...

Страница 97: ...on Manual AA NG61D TE VMS Upgrade and Installation Supplement AA LB35B TE VMS Factory Installed Software User Guide EK A0377 UG VMS VAXcluster Manual AA LA27A TE VMS Networking Manual AA LA48A TE Guid...

Страница 98: ......

Страница 99: ...recorded on the resulting backup copy Use standalone BACKUP to make a complete backup of the system disk Standalone BACKUP is a version of the Backup Utility that runs without the support of the enti...

Страница 100: ...ystem disk see Section B 1 2 B 1 2 Booting Standalone BACKUP from the System Disk To boot standalone BACKUP from the system disk use the following procedure 1 If the VMS operating system is not runnin...

Страница 101: ...ication message followed by the dollar sign prompt BACKUP I IDENT stand alone BACKUP V5 5 n the date is 19 APR 1991 13 00 00 00 To back up the system disk see Section B 2 To restore the system disk se...

Страница 102: ...ase place the scratch tape cartridge in drive _MIA50 This volume will receive the volume label SYSTEM Enter YES when ready 8 When you are ready to continue enter Y for Yes and press Return 9 The syste...

Страница 103: ...matic system reboot should be performed press Return for No When the procedure is finished the system displays the following message SYSTEM SHUTDOWN COMPLETE USE CONSOLE TO HALT SYSTEM 2 Stop the syst...

Страница 104: ...t any of these procedures you should back up the system disk If a problem occurs you can restore the backup copy of the system disk To prevent loss of system files if they are deleted accidentally Aft...

Страница 105: ...e obtain a scratch tape that you can use for the backup copy A scratch tape cartridge is a tape cartridge that is either blank or contains files that you no longer need 2 If you are using a tape cartr...

Страница 106: ...A5 Return APR_19_1991 BCK LABEL 19APRF REWIND Return 6 The system displays the following message BACKUP I STARTVERIFY starting verification pass 7 If you are backing up the system disk to another disk...

Страница 107: ...lt button 10 Reboot the system Store the backup tape cartridge in a safe place Note The BACKUP command creates a system disk that includes a Digital provided set of volume parameters including a CLUST...

Страница 108: ...Return where source_drive is the location of the files that you want to restore Use the device name of the drive holding the backup disk or tape cartridge target_drive is the destination Use the devic...

Страница 109: ...repeat this step 7 When the procedure is finished the system displays the following message BACKUP I PROCDONE operation completed Processing finished at 19 APR 1991 15 00 00 00 If you do not want to...

Страница 110: ......

Страница 111: ...PU are bus 0 and bus 1 The two optional DSSI adapters on the DSSI daughter board are bus 2 and bus 3 Two additional adapters are available from the KFQSA Each adapter provides a separate DSSI bus that...

Страница 112: ...7 reserved for the adapter in a two system DSSI VAXcluster configuration up to six devices 0 5 with nodes 6 and 7 reserved for the adapters in a three system DSSI VAXcluster configuration up to five d...

Страница 113: ...on You can provide your own node name SYSTEMID This parameter provides a number that uniquely identifies the device to the operating system That parameter may need to be modified only when replacing a...

Страница 114: ...he nonzero allocation class the operating system sees three of the ISEs as having duplicate device names which is an error as all unit numbers must be unique Allocation Class 0 Nonzero Allocation Clas...

Страница 115: ...ass will be set to 2 the devices for bus 0 in the system will be assigned new unit numbers to avoid the problem of duplicate unit numbers and the system disk will be assigned a new node name The follo...

Страница 116: ...s enter SHOW UQSSP The firmware displays two lines of information for each device For embedded DSSI the firmware displays the following The first line contains the bus number node number and node name...

Страница 117: ...ler number and device node name The second line contains the device name and unit number followed by the device type in parentheses For KFQSA based DSSI the device name consists of the letters DUcu wh...

Страница 118: ...ility To examine and change DSSI parameters you must first activate the DUP driver utility by setting host to the specific device for which you want to modify or examine parameters Use the following c...

Страница 119: ...g the DUP driver utility for a specified device you can examine and set the allocation class for the device as follows 1 At the PARAMS prompt enter SHOW ALLCLASS to check the allocation class of the I...

Страница 120: ...UNITNUM to verify the new unit number 5 Enter SHOW FORCEUNI to verify that the current value for the FORCEUNI parameter is 0 This shows the steps for changing the unit number of a specified device fro...

Страница 121: ...e H a n d le U n lo a d T F 8 5 W a it L ig h t O p e n t h is H a n d le I n s e r t T a p e C lo s e t h is H a n d le P r e s s B u t t o n W a it L ig h t O p e n t h is H a n d le R e m o v e T a...

Страница 122: ...AMS SET NODENAME SYSDSK PARAMS SHOW NODENAME Parameter Current Default Type Radix NODENAME SYSDSK RF73 String Ascii B C 3 5 Setting System ID Note This parameter is modified only when replacing a devi...

Страница 123: ...save the device parameters you have changed using the SET command The changes are recorded to nonvolatile memory If you have changed the allocation class or node name of a device the DUP driver utili...

Страница 124: ...1 DOPEY DIB1 RF73 DSSI Bus 1 Node 2 SLEEPY DIB2 RF73 DSSI Bus 1 Node 3 GRUMPY DIB3 RF73 DSSI Bus 1 Node 4 BASHFUL DIB4 RF73 DSSI Bus 1 Node 5 HAPPY DIB5 RF73 DSSI Bus 1 Node 6 DOC DIB6 RF73 DSSI Bus 1...

Страница 125: ...The process of making copies of the data stored in the ISE s so that you can recover that data after an accidental loss You make the copies on a tape cartridge and then store it in a safe place Backu...

Страница 126: ...into memory so that the system can start processing Bug An error in the design or implementation of hardware or software system components Bus The connection between the central processing unit CPU an...

Страница 127: ...Controllers are often called interface units CPU See Central processing unit Data A representation of facts concepts or instructions suitable for communication interpretation or processing by human be...

Страница 128: ...ram that detects and identifies abnormal hardware operation The MicroVAX Diagnostic Monitor software contains several diagnostic programs Disk A flat circular plate with a coating on which data is sto...

Страница 129: ...cords and erases data Also called read write head Input device A piece of equipment used to transfer data into the computer A keyboard is an input device Input Output I O device A piece of equipment t...

Страница 130: ...of 32 bits equal to two words or four bytes Magnetic tape A long strip of plastic coated with magnetic oxide used for storing data Often called magtape The tape contained in a tape cartridge Mbyte 1 0...

Страница 131: ...rams that controls the overall operation of a computer and performs such tasks as Assigning places in memory to programs and data Processing requests scheduling jobs Controlling the operation of input...

Страница 132: ...scheme See the VMS VAXcluster Manual for further information on quorum disks and the quorum scheme Read only memory ROM A memory that does not allow modification of its contents The computer can use d...

Страница 133: ...age device such as a disk or into memory System A combination of computer hardware and software and external devices that performs specific processing operations System Disk The disk or ISE that holds...

Страница 134: ...tal s proprietary operating system Word A word is 16 bits or 3 bytes long Write protect To protect a disk diskette or other storage medium against the addition revision or deletion of information Glos...

Страница 135: ...le switch 1 13 Bus node ID C 2 Bus node ID plugs changing 3 9 removing 3 9 C Card cage location 1 10 slots number 1 10 Cartridge release handle 3 11 3 24 Central processing unit CPU function 1 20 Circ...

Страница 136: ...ion 1 2 opening 1 4 H Halt Button location 1 9 Halting system description 2 13 I Indicator lights TF series tape drive 3 12 TK70 tape drive 3 25 Inserting tape cartridge 3 17 3 30 Integrated storage e...

Страница 137: ...normal 2 4 Power Up Mode switch 1 12 Power up self tests description 2 5 Printers use 3 39 Q Qualifiers standalone BACKUP B 7 R Removable media function 1 22 Removing tape cartridge 3 20 3 33 Restart...

Страница 138: ...mmary 3 22 loading 3 12 location 1 7 operation 3 12 uses 3 10 TK50 70 tape cartridge calibration 3 32 write protect switch 3 28 TK70 tape cartridge labeling 3 26 write protecting 3 27 TK70 tape drive...

Страница 139: ...easy to understand Organization structure of subject matter Figures useful Examples useful Index ability to find topic Page layout easy to find information I would like to see more less What I like b...

Страница 140: ...T CLASS PERMIT NO 33 MAYNARD MASS POSTAGE WILL BE PAID BY ADDRESSEE No Postage Necessary If Mailed in the United States DIGITAL EQUIPMENT CORPORATION Information Design and Consulting MRO1 3 K10 200 F...

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