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Chapter 5. Troubleshooting

If you encounter problems when running the drive, refer to the flowchart in
Figure 5-1. For explanations of codes on the Single-character Display (SCD), see
“Single-character Display (SCD)” on page 3-1. Please review the“Pre-Call
Checklist” on page 5-4 before calling IBM Technical Support.

Procedure 1: Determining Firmware Level and Capturing Drive Dump

Customers are responsible for updating Firmware. For optimum performance, the
customer must obtain the latest level of firmware for the unit by downloading the
firmware from the website http://www.ibm.com/support/fixcentral.

Yes

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Figure 5-1. Flowchart for analyzing maintenance problems

© Copyright IBM Corp. 2010, 2014

5-1

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Содержание H5S

Страница 1: ...IBM System Storage TS2250 Setup Operator and Service Guide Machine Type 3580 Model H5S GC27 2275 02...

Страница 2: ......

Страница 3: ...IBM System Storage TS2250 Setup Operator and Service Guide Machine Type 3580 Model H5S GC27 2275 02...

Страница 4: ...at http www ibm com storage lto Released May 2014 This edition applies to the IBM System Storage TS2250 Tape Drive GC27 2275 02 and to the subsequent releases and modifications until otherwise indicat...

Страница 5: ...o register for Support Notification see http www 304 ibm com jct01004c systems support storage news 05072007SupportNotif html Sending us your comments Your feedback is important in helping IBM provide...

Страница 6: ...iv TS2250 Tape Drive Setup Operator and Service manual...

Страница 7: ...ecent edition of the document 2nd Edition v Added information on the Ethernet interface 3rd Edition v Added information about the optional tape drive with SAS USB ports that can be purchased for the t...

Страница 8: ...vi TS2250 Tape Drive Setup Operator and Service manual...

Страница 9: ...ice Drivers 2 6 Configure the Tape Drive to a Server Host 2 7 Updating firmware 2 7 Register for Support Notification 2 9 Chapter 3 Operating the Drive 3 1 Operating modes 3 1 Single character Display...

Страница 10: ...an Enclosure E 1 Removing the Internal Drive E 1 Manually Removing a Tape Cartridge E 4 Before You Begin E 5 Recommended Tools E 5 Beginning Procedure E 5 Tape Spooled off Supply Reel E 6 Tape Pulled...

Страница 11: ...5 2 RID tag on rear panel 5 6 C 1 Types of Receptacles C 5 D 1 Leader pin in the incorrect and correct positions D 2 D 2 Placing the dislodged leader pin into the correct position D 2 D 3 Rewinding th...

Страница 12: ...x TS2250 Tape Drive Setup Operator and Service manual...

Страница 13: ...idge compatibility with Ultrium tape drives 4 4 4 2 Bar code label requirements for Ultrium tape drives and libraries 4 5 4 3 Cartridges and VOLSERs 4 5 4 4 Environment for operating storing and shipp...

Страница 14: ...xii TS2250 Tape Drive Setup Operator and Service manual...

Страница 15: ...devices that attach to the system It is the responsibility of the customer to ensure that the outlet is correctly wired and grounded to prevent an electrical shock D004 Caution notice A caution notic...

Страница 16: ...nnectivity device between an IBM control unit optical adapter that is fibre ESCON FICON and an external public network Use a device such as a patch panel a router or a switch You do not need an additi...

Страница 17: ...S Food and Drug Administration for a Class I laser product Class I laser products do not emit hazardous laser radiation The product has the necessary protective housing and scanning safeguards to ensu...

Страница 18: ...v Each rack cabinet might have more than one power cord Be sure to disconnect all power cords in the rack cabinet before you service any device in the rack cabinet v Connect all devices that are inst...

Страница 19: ...r overcurrent protection To provide the correct power connection to a rack refer to the rating labels on the equipment in the rack to determine the total power requirement of the supply circuit v For...

Страница 20: ...openings are at least 760 x 2032 mm 30 x 80 in v Ensure that all devices shelves drawers doors and cables are secure v Ensure that the four leveling pads are raised to their highest position v Ensure...

Страница 21: ...ide the U S Use a cord set with a grounding type attachment plug The cord set should have the appropriate safety approvals for the country in which the equipment will be installed IBM power cords for...

Страница 22: ...xx TS2250 Tape Drive Setup Operator and Service manual...

Страница 23: ...s The environmental notices that apply to this product are provided in the Environmental Notices and User Guide Z125 5823 xx manual A copy of this manual is located on the publications CD Copyright IB...

Страница 24: ...xxii TS2250 Tape Drive Setup Operator and Service manual...

Страница 25: ...he single character display Appendix B TapeAlert flags on page B 1 describes where to find information on TapeAlert messages that are supported and might aid with problem determination Appendix C Orde...

Страница 26: ...on to application developers who want to integrate their open systems applications with IBM supported Ultrium hardware The reference contains information about the application programming interfaces A...

Страница 27: ...v Dual port 6 Gbps Serial Attached Small Computer Systems Interface SAS or optional single 6 Gbps SAS port and single USB 3 0 port FC 5760 v Half height form factor v Native storage capacity of 1500...

Страница 28: ...SCD dot 7 Drive power button Rear panel of the drive 1 Power receptacle 2 Fan vent 3 SAS connectors 4 Ethernet connector for drive service only a80hh025 1 3 4 5 2 6 7 Figure 1 2 Front panel element d...

Страница 29: ...ata rates are dependent on the capabilities of the interconnect By using the built in data compression capability of the tape drive greater data rates than the native data transfer rate can be achieve...

Страница 30: ...edia Generation 4 Media Generation 3 Media Speed matching data rates MB sec 140 0 120 0 80 0 130 0 113 1 76 1 120 0 106 0 72 3 112 7 99 2 68 4 105 5 92 3 64 6 98 2 85 3 60 7 90 9 78 5 56 8 83 6 71 4 5...

Страница 31: ...izes and types to be connected simultaneously with thinner and longer cables its full duplex signal transmission supports 6 0 Gb s In addition SAS drives can be hot plugged SAS drives auto negotiate s...

Страница 32: ...ntral Note The device driver and driver documentation for the SAS USB drive is at http www ibm com support fixcentral on the TS2250 web page Note If you do not have Internet access and you need inform...

Страница 33: ...2192 m 40 000 ft Environmental specifications Specification Measurement Operating Storage Shipping Temperature 10 to 40 C 50 to 104 F 40 to 60 C 40 to 140 F 40 to 60 C 40 to 140 F Relative humidity no...

Страница 34: ...1 8 TS2250 Tape Drive Setup Operator and Service manual...

Страница 35: ...level surface and place the drive on the packaging v Do not place the drive on the cover of the enclosure or on any other metal surface Installation overview Installation involves the following steps...

Страница 36: ...ape Drive Quick Reference GC27 2276 01 v The IBM System Storage TS2250 Tape Drive Setup Operator and Service Guide GC27 2275 01 this guide v Documentation CD includes library documentation translated...

Страница 37: ...the rear rack rails by threading each tie wrap through a hole in the rail and around the cables One tie wrap should be located near the rear of the drive the other should be located farther down the r...

Страница 38: ...be installed in the server To install an adapter refer to the instructions that accompany it as well as to the section about host adapter card installation in your server s documentation For a list o...

Страница 39: ...ble on page 2 4 The USB architecture does not support multiple tape drives connected to a single host USB port Each tape drive is required to have a dedicated USB connection to the host Connecting the...

Страница 40: ...d characters Each segmented character represents a test performed during the POST When the POST finishes the SCD momentarily lights all segmented characters and then goes blank Run drive diagnostics R...

Страница 41: ...device driver or a non IBM tape device driver such as a driver from Sun Hewlett Packard or Microsoft For instructions about updating firmware from a server that uses an IBM tape device driver refer t...

Страница 42: ...n page 3 15 The SCD presents a series of random characters during the firmware download and update The SCD briefly displays 8 then becomes blank not lit when the firmware download and update is comple...

Страница 43: ...n the drive 9 Remove the ethernet patch cable from the drive s ethernet interface and the computer Register for Support Notification For information on registering for Support Notification see Registe...

Страница 44: ...2 10 TS2250 Tape Drive Setup Operator and Service manual...

Страница 45: ...drive on page 1 2 presents a single character code for v Error conditions and informational messages v Diagnostic or maintenance functions while in maintenance mode only Appendix A Error Codes and Me...

Страница 46: ...ge loaded and all data on this cartridge is encrypted excluding the label LTO Ultrium 5 cartridges only Table 3 1 lists the conditions of the status lights and Single character Display SCD and provide...

Страница 47: ...ve front panel will display drive progress as follows 1 SCD will display random segments no Lights ON 2 SCD will display random segments Ready light ON 3 SCD will display random segments Fault light O...

Страница 48: ...dge and eject the cartridge from the drive Press the Unload Button once The Ready light flashes while the drive is rewinding and unloading Note During a rewind and eject operation the drive does not a...

Страница 49: ...data see Procedure 1 Determining Firmware Level and Capturing Drive Dump on page 5 1 Reset the drive Press and hold the Unload Button until the drive begins the reset procedure Fault light will turn O...

Страница 50: ...oad a tape cartridge the drive writes any pertinent information to the cartridge memory Mid tape Recovery If reset occurs while a cartridge is loaded the drive will slowly rewind the tape and eject th...

Страница 51: ...ltrium Cleaning Cartridge is valid for 50 uses Cleaning the tape drive Clean the exterior surface of the tape drive with a damp towel If a liquid all purpose cleaner is used apply it to the towel Do n...

Страница 52: ...on page 3 14 8 Unmake FMR Tape Erases the FMR data on a customer supplied scratch blank data cartridge and rewrite the cartridge memory on the tape This turns the cartridge into a valid customer supp...

Страница 53: ...will display a flashing C to indicate a cartridge needs to be inserted Maintenance functions cannot be performed concurrently with read or write operations While in maintenance mode the drive does not...

Страница 54: ...ge for example Gen2 or WORM media error code J or 7 appears in the SCD If you inserted a write protected cartridge or the media has read only compatibility for example Gen3 media error code P appears...

Страница 55: ...ble read only memory EPROM area v If the update completes successfully the tape drive rewinds and unloads the FMR tape resets itself and is ready to use the new firmware The drive automatically reboot...

Страница 56: ...ve this process is also known as saving a microcode trace 1 Place the drive in Maintenance Mode For instructions see Entering Maintenance Mode on page 3 9 2 Press the Unload Button once per second unt...

Страница 57: ...se it to select one of the above functions 4 If you selected 5 0 the drive will exit Maintenance Mode If you selected 5 8 or 5 3 the SCD will change to a flashing 5 while the procedure is being perfor...

Страница 58: ...th ports 2 d 6 0 exit 5 Press and hold Unload for three or more seconds then release it to select one of the previous functions The drive automatically starts the test If you cycle past the wanted cod...

Страница 59: ...orarily appears in the SCD and the tape drive exits Maintenance Mode v If an error is detected the Fault light flashes and the drive posts an error code to the SCD To determine the error locate the co...

Страница 60: ...ton again to view successive error codes Let two to three seconds pass between each depression The Ready light and Fault light will flash On Off once for each successive error code The SCD will displa...

Страница 61: ...on page 3 9 2 Press the Unload Button once per second until E appears in the SCD If you cycle past the desired code press the Unload Button once per second until the code reappears 3 Press and hold t...

Страница 62: ...ode press the Unload Button once per second until the code reappears 3 Press and hold the Unload Button for three or more seconds then release it to select the function The SCD changes to a flashing C...

Страница 63: ...intenance Mode after the cartridge is removed 1 Place the drive in Maintenance Mode For instructions see Entering Maintenance Mode on page 3 9 2 Press the Unload Button once per second until H appears...

Страница 64: ...e SCD In either case the tape drive unloads the cartridge and exits Maintenance Mode after the cartridge is removed 1 Place the drive in Maintenance Mode For instructions see Entering Maintenance Mode...

Страница 65: ...t light flashes and the drive posts an error code to the SCD To determine the error locate the code in Appendix A Error Codes and Messages on page A 1 To clear the error either turn the power off and...

Страница 66: ...s see Entering Maintenance Mode on page 3 9 2 Press the Unload Button once per second until either P or U appears in the SCD P or U will appear in the SCD to indicate the current setting for Post Erro...

Страница 67: ...otects the tape from contamination when the cartridge is out of the drive 3 Leader Pin The tape is attached to a leader pin behind the cartridge door When the cartridge is inserted into the drive a th...

Страница 68: ...e first set of tracks sixteen for Ultrium 5 4 and 3 eight for Ultrium 2 and 1 is written from near the beginning of the tape to near the end of the tape The head then repositions to the next set of tr...

Страница 69: ...ge Ultrium Tape Drive SCSI Reference WORM Write Once Read Many Cartridge Certain records retention and data security applications require a Write Once Read Many WORM method for storing data on tape Th...

Страница 70: ...must be at the correct code level and you must use either Ultrium 4 800 GB WORM tape cartridge or Ultrium 5 1500 GB tape cartridges see Media Supplies on page C 5 Cleaning Cartridge A specially labele...

Страница 71: ...equals 1 2 3 4 5 T U or V Bar Code Labels shows a sample bar code label for the LTO Ultrium Tape Cartridge Table 4 3 Cartridges and VOLSERs Cartridges VOLSER Ultrium 5 Data Cartridge xxxxxxL5 Ultrium...

Страница 72: ...at a right angle to the cartridge case v Use peel clean labels that do not leave a residue after being removed If there is glue residue on the cartridge remove it by gently rubbing it with your finge...

Страница 73: ...cartridge let it acclimate to the normal operating environment for 1 hour If condensation is visible on the cartridge wait an additional hour v Ensure that all surfaces of a cartridge are dry before...

Страница 74: ...not handle tape that is outside the cartridge Handling the tape can damage the tape s surface or edges which may interfere with read or write reliability Pulling on tape that is outside the cartridge...

Страница 75: ...e in polyethylene plastic wrap or bags to protect it from dust moisture and other contaminants Pack the cartridge snugly do not allow it to move around Double box the cartridge place it inside a box t...

Страница 76: ...s for storage durations of up to six months 2 The long term or archival storage environment is for durations of six months up to ten years Disposing of Tape Cartridges Under the current rules of the U...

Страница 77: ...is functioning properly refer to Procedures 3 and 4 in this chapter Refer to the pre call checklist in this chapter before calling IBM Technical Support Contact IBM Technical Support 1 Refer to the s...

Страница 78: ...teps below Note The drive uses a limited version of FTP protocol to communicate on the Ethernet interface It is recommended to use a simple command line FTP session such as the DOS command prompt when...

Страница 79: ...server is not communicating with the SAS drive the problem may be with the SAS cable the SAS host adapter or the SAS host adapter setup 1 Check if the tape drive power is on 2 Verify the SAS cable is...

Страница 80: ...Test Cartridge Media diagnostic that verifies whether a suspect cartridge and its magnetic tape are acceptable for use v Statistical Analysis and Reporting System SARS to assist in isolating failures...

Страница 81: ...agnetic tape are acceptable Function Code F Write Performance Test on page 3 17 to ensure that the drive can read from and write to tape Function Code H Test Head on page 3 18 to ensure that the tape...

Страница 82: ...orted to IBM technical support Transcribe the machine type model and serial number of the failing unit to the Repair ID tag for the replacement unit USE BALLPOINT PEN TO COMPLETE THE RID TAG Place the...

Страница 83: ...oblem The tape drive detected that the recommended operating temperature was exceeded Perform one or more of the following actions v Ensure that the cooling fan is rotating and is quiet If not refer t...

Страница 84: ...e dump use Function Code 5 Copy Drive Dump on page 3 12 2 Power the tape drive off and on then retry the operation that produced the error The error code clears when you place the tape drive in mainte...

Страница 85: ...gnostic fails replace the tape drive If the diagnostic succeeds replace the cartridges that caused the problem The error code clears when you remove the tape cartridge or place the tape drive in maint...

Страница 86: ...cartridge to run the test v If the diagnostic fails replace the media v If the diagnostic succeeds clean the drive head see Cleaning the Drive Head on page 3 7 and run Function Code 1 Run Drive Diagn...

Страница 87: ...s longer than the Approximate Run Time run Function Code F Write Performance Test on page 3 17 If the Write Performance Test fails replace the media and exit Maintenance Mode If the drive diagnostics...

Страница 88: ...e in another encryption enabled drive Replace the media if the problem repeats with the same tape cartridge in multiple drives If the problem occurred while the tape drive was running POST or diagnost...

Страница 89: ...roblems that are experienced by tape drives The technology enables a server to read TapeAlert flags from a tape drive through the host interface The server reads the flags from Log Sense Page 0x2E Ref...

Страница 90: ...B 2 TS2250 Tape Drive Setup Operator and Service manual...

Страница 91: ...1x Cable 5501 1 0 m Mini SAS Mini SAS 1x Cable 5502 2 0 m Mini SAS Mini SAS 1x Cable 5760 TS2250 3580 H5S Half High Bridgebox SAS USB ports 5761 USB3 cable 2 7m Type A B Replacement Parts Table C 2 R...

Страница 92: ...Guatemala Guyana Haiti Honduras Jamaica Japan Liberia Mexico Netherlands Antilles Nicaragua Panama Peru Philippines Saudi Arabia South Korea Suriname Taiwan Trinidad Tobago Venezuela US 1 Chicago v 1...

Страница 93: ...ngapore Tanzania Uganda UK United Arab Emirate Dubai Yemen Zambia 7 Switzerland v 2 8 m 250V v FC 9828 v PN 39M5158 SEV SN 416534 Liechtenstein Switzerland 8 Italy v 2 8 m 250V v FC 9830 v PN 39M5165...

Страница 94: ...84 1 Korea 17 India HV v 2 8 m 250V v FC 9845 v PN 39M5226 IS 6538 India 18 Brazil HV v 2 8 m 250V v FC 9847 v PN 39M5240 InMetro NBR 14136 Brazil 20 Low Voltage High Voltage Types of Receptacles The...

Страница 95: ...ributor Data Cartridges with labels Specify the VOLSER characters that you want Ultrium 5 20 PACK Machine Type 3589 Model 014 46X1953 color label 46X1951 black and white label Ultrium 4 20 PACK Machin...

Страница 96: ...Model 028 WORM cartridges labeled with starting volume serial information and optionally packed in individual jewel cases WORM Cartridges without labels Order VOLSER labels separately see Bar Code Lab...

Страница 97: ...http www edpeurope com media labels Dataware Houston TX U S A Telephone 800 426 4844 http www datawarelabels com Dataware Labels Europe Germany Telephone 49 8062 9455 http www datawarelabels com NetC...

Страница 98: ...C 8 TS2250 Tape Drive Setup Operator and Service manual...

Страница 99: ...s case is damaged There is a high possibility of media damage and potential loss Perform the following steps 1 Look for cartridge mishandling 2 Use the IBM Leader Pin Reattachment Kit part number 08L9...

Страница 100: ...n it in the pin retaining spring clips 3 3 Press the leader pin gently into the clips until it snaps into place and is firmly seated 4 Close the cartridge door 5 Ensure that there are no gaps in the s...

Страница 101: ...tape into the cartridge Reattaching a Leader Pin The first meter of tape in a cartridge is leader tape Once the leader tape has been removed there is a possibility of tape breakage After reattaching...

Страница 102: ...h may interfere with read or write reliability To reattach a leader pin by using the IBM Leader Pin Reattachment Kit refer to Figure D 5 and perform the steps below 1 Attach the leader pin attach tool...

Страница 103: ...ocate the open side of the C clip 2 The C clip is a small black part that secures the tape 3 to the pin 2 Remove the C clip from the leader pin by using your fingers to push the clip away from the pin...

Страница 104: ...e tape is properly centered a 0 25 mm 0 01 in gap exists on both sides of the pin 5 Close the pivot arm 4 of the leader pin attach tool by swinging it over the leader pin so that the C clip snaps onto...

Страница 105: ...A67E0037 1 6 2 3 4 5 Figure D 8 Attaching the leader pin to the tape Appendix D Repairing a Cartridge D 7...

Страница 106: ...D 8 TS2250 Tape Drive Setup Operator and Service manual...

Страница 107: ...on the type of enclosure removal procedures may vary The following generic procedure can be used if the enclosure documentation is not available for the different enclosure types Removing the Interna...

Страница 108: ...6 Gently push on the drive s rear panel to remove the chassis from the cover see Figure E 2 on page E 3 a80hh053 1 Figure E 1 Removing the screws that secure the cover and internal drive E 2 TS2250 Ta...

Страница 109: ...Disconnecting the internal SAS interface cable disconnects both the SAS interface and electrical power from the drive Attention DO NOT UNPLUG THE INTERNAL POWER CABLE 2 Press the latch assembly to rel...

Страница 110: ...very v Before using this procedure you must have exhausted all other means of removing the tape cartridge from the drive Use this procedure only if you cannot remove the tape cartridge by using any ot...

Страница 111: ...LLY REMOVING A CARTRIDGE THAT WILL NOT EJECT AFTER PRESSING THE UNLOAD BUTTON Before You Begin 1 If you have not already done so attempt to remove the cartridge with the device power ON and using libr...

Страница 112: ...tape appears to be on the takeup reel The leader block is positioned in the takeup reel Return the drive after the procedure is completed v Tape broken in mid tape Tape appears to be on both the suppl...

Страница 113: ...additional turns Ensure that you do not stretch the tape 7 Reassemble the drive reversing the steps in Beginning Procedure on page E 5 8 Reassemble the drive chassis reversing the steps in Removing a...

Страница 114: ...d slowly rotate the threader mechanism gear 2 in Figure E 7 clockwise This draws the tape leader block assembly LBA into the cartridge 5 As the leader pin is secured in the cartridge you should hear t...

Страница 115: ...n of tape on the takeup reel go to Tape Pulled from or Broken near Leader Pin on page E 8 2 From the supply reel inside the cartridge pull approximately 0 3 m 1 ft of tape 3 Make sure the tape is not...

Страница 116: ...to eject the cartridge 10 Test the drive see Function Code 1 Run Drive Diagnostics on page 3 10 to determine if it should be replaced Tape Tangled along Tape Path 1 Carefully pull out excess tape and...

Страница 117: ...ble the chassis by following the steps in Removing a Drive from an Enclosure on page E 1 6 Allow the drive to perform mid tape recovery This takes several minutes When this activity completes push the...

Страница 118: ...stretch the tape Continue spooling until all tape is removed from the takeup reel 3 in Figure E 11 4 Locate the threader intermediate gear 1 in Figure E 12 on page E 13 near the rear of the drive You...

Страница 119: ...ate gear 1 in Figure E 13 clockwise as viewed from the front of the drive until it stops This releases the LBA leader pin 7 Rotate the threader motor worm gear 3 in Figure E 13 counterclockwise until...

Страница 120: ...ure in Step 4 in Beginning Procedure on page E 5 11 Reassemble the drive chassis by reversing the steps in Removing a Drive from an Enclosure on page E 1 12 Refer to the appropriate procedure to insta...

Страница 121: ...set DBCS information contact the IBM Intellectual Property Department in your country or send inquiries in writing to Intellectual Property Licensing Legal and Intellectual Property Law IBM Japan Ltd...

Страница 122: ...lated to non IBM products Questions on the capabilities of non IBM products should be addressed to the suppliers of those products All statements regarding IBM s future direction or intent are subject...

Страница 123: ...d trademark of Linus Torvalds in the United States other countries or both Other company product and service names may be trademarks or service marks of others Electronic emission notices This section...

Страница 124: ...ight be required to take adequate measures Responsible Manufacturer International Business Machines Corp New Orchard Road Armonk New York 10504 914 499 1900 European community contact IBM Deutschland...

Страница 125: ...htlinie 2004 108 EG in der Bundesrepublik Deutschland Zulassungsbescheinigung laut dem Deutschen Gesetz ber die elektromagnetische Vertr glichkeit von Ger ten EMVG bzw der EMC EG Richtlinie 2004 108 E...

Страница 126: ...n Product Service Contact Information IBM Taiwan Corporation 3F No 7 Song Ren Rd Taipei Taiwan Tel 0800 016 888 Japan VCCI Council Class A statement Japan Electronics and Information Technology Indust...

Страница 127: ...rmation Technology Industries Association JEITA statement greater than 20 A per phase Korean Communications Commission KCC Class A Statement Russia Electromagnetic Interference EMI Class A statement j...

Страница 128: ...F 8 TS2250 Tape Drive Setup Operator and Service manual...

Страница 129: ...he UNIX operating system The RS 6000 system among others uses AIX as it s operating system alphanumeric Pertaining to a character set that contains letters numerals and usually other characters such a...

Страница 130: ...erting them into either the ASCII or EBCDIC digital character code bezel Decorative and safety cover bicolored Having two colors bit Either of the digits 0 or 1 when used in the binary numbering syste...

Страница 131: ...drive Contrast with data cartridge command A control signal that initiates an action or the start of a sequence of actions compact disc CD A disc usually 4 75 inches in diameter from which data is re...

Страница 132: ...uality of output or throughput or increased machine error rate deserialize To change from serial by bit to parallel by byte detented A part being held in position with a catch or lever device Any hard...

Страница 133: ...l Correspondence in the form of messages transmitted between user terminals over a computer network email See electronic mail EPO Emergency power off EPROM Erasable programmable read only memory EQC E...

Страница 134: ...e medium and more adaptable to change than pure hardware circuitry An example of firmware is the Basic Input Output System BIOS in read only memory ROM on a PC motherboard FLASH EEPROM An electrically...

Страница 135: ...ID Identifier identifier ID 1 In programming languages a lexical unit that names a language object for example the names of variables arrays records labels or procedures An identifier usually consists...

Страница 136: ...nology enables compatibility between different vendors offerings by ensuring that vendors comply with verification standards The LTO technology is implemented in two formats the Accelis format focuses...

Страница 137: ...is the first generation of its type mega One million of meter In the Metric System the basic unit of length equal to approximately 39 37 inches micro One millionth of microcode 1 One or more micro in...

Страница 138: ...sted is the magnetic field strength in the interior of an elongated uniformly wound solenoid that is excited with a linear current density in its winding of one abampere per 4 centimeters of axial len...

Страница 139: ...oaded at no cost from the Adobe Systems home page PROM Programmable read only memory PS Power supply PWR Power R rack A unit that houses the components of a storage subsystem such as the library rackm...

Страница 140: ...ystem signals represents mechanical motion Small Computer Systems Interface SCSI A standard used by computer manufacturers for attaching peripheral devices such as tape drives hard disks CD ROM player...

Страница 141: ...ntrolling system SUPP Support sync Synchronous synchronize Occurring with a regular or predictable time relationship T tachometer tach A device that emits pulses that are used to measure check speed o...

Страница 142: ...al number volume A certain portion of data together with its data carrier that can be handled conveniently as a unit VPD Vital product data The information contained within the tape drive that require...

Страница 143: ...haracter 3 1 drive avoiding damage 2 1 description 1 1 Drive features 1 1 removing E 1 drive cleaning 3 7 drive diagnostics 2 6 Drive dump capturing 5 1 copying to tape 3 12 forcing 3 12 Drive head cl...

Страница 144: ...ion xiv SAS bus cables 2 4 SAS Host Adapter Card installation 2 4 SAS Host connections checking 5 3 Server connection configuring 2 7 Servers supported 1 6 servers supported 1 6 Service procedures E 1...

Страница 145: ...ormation about products and prices please contact your IBM branch office your IBM business partner or your authorized remarketer When you send comments to IBM you grant IBM a nonexclusive right to use...

Страница 146: ...pment Department GZW 9000 South Rita Road Tucson Arizona U S A 85775 4401 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...

Страница 147: ......

Страница 148: ...Part Number 46C2120 Printed in USA GC27 2275 02 1P P N 46C2120...

Страница 149: ...Spine information IBM System Storage TS2250 TS2250 Tape Drive Setup Operator and Service manual Machine Type 3580 Model H5S...

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