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ATL PowerStor L200 Series Library User’s Guide

Chapter 4 SCSI Interface

Chapter 4

SCSI Interface

This chapter details the SCSI Protocol features for the L200 library. The
features include:

•

general SCSI bus operation

•

SCSI message system

Содержание ATL PowerStor L200 Series

Страница 1: ...ATL PowerStor L200 Series Tape Library for DLT Cartridges User s Guide 6322500 02 Ver 2 Rel 0...

Страница 2: ...to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accord...

Страница 3: ...feet 4 5m Rating Minimum 10 A 125 V ATTENTION LIRE LA REMARQUE DANS LE MODE D EMPLOI REMARQUE CETTE REMARQUE NE CONCERNE QUE LES TATS UNIS ET LE CANADA En cas d envoi aux tats Unis utiliser le cordon...

Страница 4: ......

Страница 5: ...the Tape Cartridge Library 11 Selecting an Installation Location 12 Space Requirements 12 Overhead Clearance 12 Surface Strength and Inclination 13 Power and Grounding 13 Power Cord 13 Environmental...

Страница 6: ...the Library 37 Installing the Magazine into the Library 38 Load 40 Loading a Cartridge 40 SCSI ID 42 Viewing the SCSI IDs 43 Setting a SCSI ID 43 Mode 44 Viewing a Mode 45 Setting a Mode 46 Informatio...

Страница 7: ...inter 02h 61 Synchronous Data Transfer Request SDTR 61 Wide Data Transfer Request 03h 61 Chapter 5 Troubleshooting Guidelines 63 Avoiding Basic Problems 64 Basic Library Operation 64 Operation Failure...

Страница 8: ...viii OCP Error Messages and Error Definitions 77...

Страница 9: ...and 220V 240V AC Power Cord Plugs 13 Figure 13 Removing the Shipping Carton from the Pallet 17 Figure 14 Removing the Accessories Boxes 18 Figure 15 Removing the Library from the Shipping Carton 19 Fi...

Страница 10: ...Figures x ATL PowerStor L200 Series Library User s Guide...

Страница 11: ...DTR Extended Message Format 61 Table 14 Wide Data Transfer request 03h 61 Table 15 Physical Specifications 67 Table 16 Power Specifications 68 Table 17 Environmental Specifications 68 Table 18 Vibrati...

Страница 12: ...Tables xii ATL PowerStor L200 Series Library User s Guide...

Страница 13: ...description of and specifications for the library Chapter 2 Installing the Tape Cartridge Library provides information to unpack install configure and operate the library Chapter 3 Basic Library Opera...

Страница 14: ...t side as you face the component being described Left side of the library Refers to the left side as you face the component being described Related Documents 0 Documents related to the L200 library ar...

Страница 15: ...tlp com To request copies of this document contact helpdesk atlp com World Wide Web 0 Visit the ATL Products home page at http www atlp com Customer Service 0 The ATL Products Customer Service Departm...

Страница 16: ...nternational Code 1 Customer Service Number Australia 0011 1 949 477 7924 Canada 011 1 949 477 7924 China PRC 00 1 949 477 7924 France 00 1 949 477 7924 Germany 00 1 949 477 7924 Ireland 00 1 949 477...

Страница 17: ...hapter 1 Library Description Chapter 1 Library Description 1 This chapter provides an overall description of the PowerStor L200 Series L200 library It consists of the following sections library config...

Страница 18: ...LTTM tape drive The library is available in rackmount or desktop form and is available with either single ended or differential interfaces Figure 1 PowerStor L200 Series Library Cabinet 1 The library...

Страница 19: ...Chapter 1 Library Description L200 Library Configurations ATL PowerStor L200 Series Library User s Guide 3 Figure 2 Desktop Library Dimensions 22 8 in 57 8 cm 8 9 in 22 5 cm 7 6 in 19 4 cm...

Страница 20: ...es sequential access to tape cartridges in a single cycle sequential access to tape cartridges in circular cycles optional bar code reader reads the cartridge label bar codes optional auto clean mode...

Страница 21: ...idge handling mechanism tape drive 6 cartridge magazine Front Panel 1 The front panel of the library consists of the following components OCP library door OCP 1 The OCP see figure 3 consists of an LCD...

Страница 22: ...d loader controller configuration set the SCSI ID for the drive and loader controller clean the tape drive exercise and test the robot See chapter 3 Basic Library Operations for more information on th...

Страница 23: ...brary controller card on an RS 422 communications link During a cartridge inventory the scan head illuminates and reads the bar code labels on the cartridges and transmits the results over the serial...

Страница 24: ...ridge location gripper location and timing information These sensors allow the library to operate as a random access system that provides direct quick access to any of the cartridges in the storage ar...

Страница 25: ...gure 9 that is accessed from the door on the front of the unit The magazine stores up to six DLTtape data and or cleaning cartridges The magazine can also be removed and used for off site storage The...

Страница 26: ...Chapter 1 Library Description Library Components 10 ATL PowerStor L200 Series Library User s Guide Figure 10 Storage Array 0 1 2 3 4 5 6 7 6 cartridge magazine Internal storage slots...

Страница 27: ...hapter contains information needed to install configure and operate the L200 library The installation procedure is divided into the following general tasks selecting an installation location receiving...

Страница 28: ...ements for setting up and operating the desktop and rack mount library Figure 11 Space Requirements The width of the desktop library is 8 9 inches 22 5 cm The width of the rack mount library is 8 6 in...

Страница 29: ...C 50 60 Hertz Power Cord 2 A power cord was supplied with your unit Carefully inspect it and make sure that it is the correct one for your country or region based on the criteria listed on the followi...

Страница 30: ...your country It must also have marks showing certification by an agency acceptable in the country The connector at the product end must be an IEC 320 type C13 female connector The cord must be no lon...

Страница 31: ...s Library User s Guide 15 Receiving the Library 2 When receiving the library form the shipper unpack the unit as close to the installation location as possible Inspect the shipping pallet and carton f...

Страница 32: ...g the Library on page 17 to unpack the library If you received the rack mount library you will have two shipping cartons The large carton contains the library and the smaller carton contains the rack...

Страница 33: ...library Procedure 1 Cut the straps that secure the shipping carton to the pallet see figure 13 2 Lift the carton off of the pallet 3 Open the top of the shipping carton by carefully cutting the packi...

Страница 34: ...the Accessories Boxes Procedure continued 5 Remove the packing foam from the top of the library see figure 15 6 With two people lifting the library remove it from the shipping carton 7 Remove the libr...

Страница 35: ...g the Cartridge Tape Library Unpacking the Library ATL PowerStor L200 Series Library User s Guide 19 Figure 15 Removing the Library from the Shipping Carton The library is now unpacked Packing foam Sh...

Страница 36: ...fferential library to a differential adapter Figure 16 Tape Library Rear Panel Cable Connectors To connect the tape library Procedure 1 Turn the library off 2 Connect one end of the SCSI cable to the...

Страница 37: ...I Cable Connection Procedure continued 4 Secure the cables using the wire cable clamps or screws provided 5 Connect the power cord to the power connector on the back of the library see figure 16 6 Con...

Страница 38: ...tional bar code reader is present the cartridge bar code labels are read The OCP buttons are not active until the Library Idle message is displayed Observe the display on the library OCP see figure 18...

Страница 39: ...s Figure 18 Library Front Panel The system uses SCSI IDs to identify or address devices such as the loader controller and the tape drive on the SCSI bus If the library is one of multiple SCSI devices...

Страница 40: ...ess Select until SCSI ID is displayed 2 Press Next Set ID is displayed 3 Press Enter Set ID Drive 0 is displayed 4 Press Enter The SCSI ID selections 0 to 15 are displayed Press Previous or Next to ar...

Страница 41: ...press the metal tabs on the left of the magazine Caution To prevent cartridge jams use the space on the front of the cartridge for labels Note Use physical slot 1 OCP slot 0 when performing a drive mi...

Страница 42: ...utton to stop the operation f Open the door using the handle Note Door Unlocked will be always be displayed when the door is unlocked 2 Grasp the cartridge with the write protect switch facing you 3 S...

Страница 43: ...2 The system is shipped with bar code labels that can be inserted into the front slide slot see figure 21 Figure 21 Inserting a Bar code Label into the Cartridge Slot To obtain additional labels conta...

Страница 44: ...ng routine is run on a cleaning tape that has not expired CLN is cleared from the OCP after the tape rewinds and unloads The CLN message is cleared when the tape drive successfully completes a cartrid...

Страница 45: ...r 3 Basic Library Operations Chapter 3 Basic Library Operations 3 This chapter describes the overall menu structure of the Operator Control Panel OCP The following functions are described status eject...

Страница 46: ...LCD a power LED and four push buttons Previous return to a previous option Next advance through each option Select return to the main menu options Enter enter and execute commands in the current opti...

Страница 47: ...e and returned to its slot Unlock Door the door is unlocked after the tape is ejected from the drive LOAD From Slot loads cartridge from selected slot To Drive loads cartridge from selected slot SCSI...

Страница 48: ...library 1 POST Current Cycles from completion of POST LDR ERR CODE UPDATE Drive displays drive and library microcode levels Update Drive installs microcode from code update tape into drive TESTS Elev...

Страница 49: ...Advance through the main menu options STATUS EJECT UNLOCK LOAD SCSI ID MODE INFORMATION CODE UPDATE and TEST Press the Select button repeatedly to reach the option escape out of a submenu and return...

Страница 50: ...er status message Library INIT or Library Active appears on the LCD the library is in the process of completing an activity Wait until Library Idle appears before entering any commands Press Next to o...

Страница 51: ...de Update drive is currently updating its firmware Calibrating Unloading Loading Cleaning Erasing Writing Reading Seeking Rewinding Idle Error Hardware Error Comm Error Library Error Prot if a tape ca...

Страница 52: ...or Unlocked is displayed This activity can take up to three minutes if a rewind from end of tape is required The magazine door is now unlocked pull on the door handle to open it Closing the Magazine D...

Страница 53: ...ress Enter to unload the cartridge The library returns the cartridge to its slot of origin You cannot choose to send the cartridge to a different slot During the unloading process the following occurs...

Страница 54: ...s present labels are read 9 To remove or insert a cartridge in the magazine refer to Operating the Tape Library on page 25 Installing the Magazine into the Library 3 To install the magazine into the l...

Страница 55: ...numbers to fully insert the magazine Note Do not push on the cartridges 10 To close the magazine door push the door closed until it latches The library executes a scan magazine function Upon completi...

Страница 56: ...cartridge press Next until the desired slot number is displayed then press Enter 4 One of the following messages is displayed Drive is Full A cartridge is already installed in the drive To continue un...

Страница 57: ...LOAD is displayed b The cartridge is removed from the magazine and placed in the elevator LOAD is displayed c The elevator moves to the displayed drive position and inserts the cartridge into the driv...

Страница 58: ...pe drive has been reset Table 7 SCSI ID options Note EEROM is maintained through power cycles SCSI ID information that is stored in non volatile RAM is saved until you manually change it SCSI IDs do n...

Страница 59: ...t ID is displayed 4 Press Enter Set ID Drive is displayed 5 To change the drive SCSI ID press Enter Set ID Drive 0 is displayed 6 Check the SCSI ID information on the OCP a Proceed through each device...

Страница 60: ...ding of cartridges sequentially progresses to the last cartridge then the library stops To reinitiate this process load a cartridge into the drive via the OCP or via a SCSI Command Works in conjunctio...

Страница 61: ...N Y When enabled the bar code reader scans cartridge labels during library power up and when the door is closed The bar code labels can be read via the OCP Status display or a SCSI Read Element statu...

Страница 62: ...and status is displayed Sequential NOT Selected Sequential Circ NOT Selected Autoload Cart N Enable Barcode N Auto Clean N 4 Press Enter to toggle the mode options The Enter button executes the Selec...

Страница 63: ...Type Message Notes Ldr Hw Rev device hardware revision level in decimal Ldr Rw Rev device firmware revision level in decimal Ldr Mech Rev library revision level in decimal Lib Hw Rev library hardware...

Страница 64: ...s via cartridge or the host The OCP displays the code update message Update Drive 0 is displayed when the drive microcode install is complete Viewing the Drive Microcode Revision Level 3 View the Info...

Страница 65: ...ons Table 10 Tests options Option Description Messages Notes Elevator Test Tests the library elevator function This is a one cycle test ACTIVE or ABORTED The elevator is positioned to each available d...

Страница 66: ...Chapter 3 Basic Library Operations Tests 50 ATL PowerStor L200 Series Library User s Guide...

Страница 67: ...00 Series Library User s Guide Chapter 4 SCSI Interface Chapter 4 SCSI Interface 4 This chapter details the SCSI Protocol features for the L200 library The features include general SCSI bus operation...

Страница 68: ...bus This disconnection is configurable through the Disconnect Reconnect Mode Parameters page Initiator Target Operation 4 The library does not act as an initiator on the SCSI bus Therefore the device...

Страница 69: ...urious signals on the SCSI bus at power on Within 5 seconds of power on and within 250 milliseconds typically under 4 ms after a Bus Reset the library responds to SCSI bus selections and returns appro...

Страница 70: ...r commands issued with the LINK bit set Following the return of this status the library will proceed to the COMMAND phase for the transfer of the next linked command RESERVATION CONFLICT 18h This stat...

Страница 71: ...ny are detected they should be addressed quickly by improving the configuration of the SCSI bus A well configured SCSI system in a normal environment is virtually free of bus parity errors Bus parity...

Страница 72: ...SET message In this case if the library recovers a message other than those listed above it will go directly to BUS FREE phase Table 11 lists SCSI messages that are supported Table 11 Supported SCSI M...

Страница 73: ...t to clear the current I O operation only on the selected unit The target goes directly to the BUS FREE phase after successful receipt of this message Current settings of Mode Select parameters and re...

Страница 74: ...library may respond in one of two ways First it may take the message as a request by the initiator to disconnect and comply by entering message in phase and sending the DISCONNECT message back to the...

Страница 75: ...message is sent from a target to an initiator during reconnection a RESTORE POINTERS message is implied Initiator Detected Error 05h 4 This message is sent from an initiator to inform a target that a...

Страница 76: ...ke of the message that is to be rejected MESSAGE REJECT is issued in response to any messages the library considers to be illegal or not supported When sending to the initiator the tape device will do...

Страница 77: ...he parameters relevant to synchronous transfers The library will not initiate the Synchronous Data Transfer Request message but relies on the Initiator to do so The SDTR message has the following form...

Страница 78: ...to be used for DATA phase transfer between the two devices This agreement applies to DATA IN and DATA OUT phases only All other information transfer phases will use an eight bit data path The library...

Страница 79: ...s and descriptions of problems that may be encountered when operating the L200 library Wherever applicable corrective information has also been provided to assist in problem resolution Several library...

Страница 80: ...use DLTtape III DLTtape IIIxt or DLTtape IV cartridges Caution Do not touch the exposed magnetic tape If the tape leader is not in the correct position use a new cartridge check the tape leader in th...

Страница 81: ...the POST UART ERROR message is displayed instead of a POST initiation Procedure 1 Power down the library 2 Wait a minimum of 10 seconds 3 Power up the library The library will perform a POST upon res...

Страница 82: ...ding Basic Problems 66 ATL PowerStor L200 Series Library User s Guide If the library power is disconnected when a cartridge is in transit between the elevator and magazine the cartridge is moved into...

Страница 83: ...ve reliability factors Physical Specifications A Table 15 provides physical specifications for the library Table 15 Physical Specifications Performance Specifications 1 Performance specifications for...

Страница 84: ...ting relative humidity 20 to 80 noncondensing operating humidity gradient 10 per hour operating dry bulb 50 F to 104 F 10 C to 40 C operating wet bulb 77 F 25 C operating temperature gradient 20 F per...

Страница 85: ...et bulb temperature 115 F 46 C non operating temperature gradient 36 F per hour with 9 margin 20 C per hour with 5 margin across the range non operating temperature shock 27 F with 9 margin 15 C with...

Страница 86: ...10 Hz upward and downward sweep non operating unpacked Acceleration Level 1 G 10 500 10 Hz non operating unpacked Application X Y and Z axis sweep rate 1 2 octave per minute Vibration Type Random non...

Страница 87: ...frequency non operating repetitive packaged excitation type synchronous vertical motion 1 inexcursion non operating repetitive packaged shock bounce cycles 14 200 total non operating repetitive packag...

Страница 88: ...rdware failure Conducted Susceptibility 1 The transient voltage is the actual peak voltage above the normal AC voltage from the power source The voltage limits for power and data cables are 2 kV S W r...

Страница 89: ...dware office to 12 kV no operator intervention soft recoverable allowed hardware office to 15 kV no component damage operator intervention allowed soft hard errors allowed Sound Power Level Sound Pres...

Страница 90: ...ipment CSA C22 2 No 950 Information Technology Including Electrical Business Equipment TUV EN60950 GS Mark Information Technology Including Electrical Business Equipment IEC Standards CB Scheme Electr...

Страница 91: ...tape drives is 185 000 power on hours POH mean time between failures MTBF or 1 000 000 mean load unload cycles between failures MCBF where a failure is charged against one or the other but not both AT...

Страница 92: ...Appendix A Specifications Reliability Factors 76 ATL PowerStor L200 Series Library User s Guide...

Страница 93: ...e indicates that there are more cartridges in the system than there are slots to store them Remove excess cartridges Remove Cart from Elevator This indicates that the unit detected either too many car...

Страница 94: ...fails again contact an authorized field service engineer Ldr Drv Timeout In Retry The command aborted after the maximum number of retries was exceeded Cycle the library power and try the operation ag...

Страница 95: ...ring mechanical initialization 88H Time out finding elevator home position during mechanical initialization 89H Time out while attempting to find PUSHPOS 2 during mechanical initialization 8AH Did not...

Страница 96: ...mand 98H Time out while attempting to find the pusher home position during a cartridge unload This error actually occurred after the cartridge was successfully placed back into the magazine so the mov...

Страница 97: ...r be returned in the status error bytes It is utilized in the error trace buffer as an indicator every time a thousand cycles has occurred ABH Time out finding PUSHPOS 1 rack waiting position in front...

Страница 98: ...nt This error can occur during a load or unload of a cartridge or a PREPOSITION command This error can be retried by issuing a SCAN MAGAZINE command followed by reissuing the original command B6H Time...

Страница 99: ...rinted pattern of vertical bars of varying widths used for computerized inventory control bar code label The identification label on DLTtape cartridges bar code scanner A device that is mounted on the...

Страница 100: ...tem O OCP The OCP Operator Control Panel on the front of the library serves as the operator s interface with the library It provides a screen with buttons allowing the operator to change and configure...

Страница 101: ...able to read tape recorded on an older system Often referred to as backward compatibility SCSI Small Computer System Interface a communications standard for attaching peripheral equipment to computer...

Страница 102: ...86 ATL PowerStor L200 Series Library User s Guide...

Страница 103: ...24 Checking SCSI settings 23 Cleaning cartridge 9 Clear queue 0Eh 57 CLN message 27 Code Update 48 Command complete 00h 58 conducted emission limits 71 conducted susceptibility 72 Configuring tape li...

Страница 104: ...Other SCSI functionality 53 P performance specifications 67 physical specifications 67 POST 22 POST pass error messages 22 Power cord AC 13 Power problems 65 Power On and SCSI bus reset behavior 53 P...

Страница 105: ...T Tape leader checking 64 tape library operation 25 tape library connection 20 tape DLT 9 Tests 49 V vibration specifications non operating 70 Viewing a Mode 45 Viewing the SCSI IDs 43 W WDTR message...

Страница 106: ...Index 90 ATL PowerStor L200 Series Library User s Guide...

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