Dell PowerVault TL4000 SCSI Reference Guide

Dell PowerVault TL4000 Manual

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  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 1
    Dell™ PowerVault™ TL2000/TL4000 Tape Library SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 2
    in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks | used in this text: Dell, the DELL logo, and PowerVault are trademarks of Dell Inc. Other trademarks and trade names | may be used in this document to refer to either the entities claiming the
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 3
    2-4 Operator Control Panel Features 2-4 Console Features 2-4 TL2000 Tape Library Element Addressing 2-5 TL4000 Tape Library Element Addressing 2-6 Chapter 3. Supported SCSI Commands 3-1 INITIALIZE ELEMENT STATUS (07h 3-2 INITIALIZE ELEMENT STATUS WITH RANGE (37h 3-3 INQUIRY (12h 3-4 Standard
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 4
    Specific / ALLOW MEDIA REMOVAL (1Eh Status Page (01h 3-55 Storage Element Status Page (02h 3-57 Import/Export Element Status Page (03h 3-59 Data Transfer Element Status Page (04h 3-62 RELEASE 6 (17h 3-65 RELEASE 10 (57h 3-66 REPORT SUPPORTED OPERATION CODES Download microcode and Download
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 5
    Disconnect 4-2 Initiator Detected Error 4-2 Abort 4-2 Message Reject 4-2 No Operation 4-3 Message Parity Error 4-3 Bus Device Reset 4-3 Identify 4-3 Chapter 5. Command Status Byte 5-1 Chapter 6. Command Timeouts 6-1 Chapter 7. Sense Keys, ASC, and ASCQ 7-1 Index X-1 Contents v
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 6
    vi TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 7
    Introduction | This document describes the SCSI Media Changer Command Set for the Dell™ PowerVault™ TL2000 Tape | Library and TL4000 Tape Library. The host will recognize both a tape drive and a Media Changer on the same SCSI ID. On this SCSI ID logical unit zero is reserved for the tape drive and
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 8
    1-2 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 9
    . Magazines can be removed from the library. Cleaning Cartridge Detection The media changer will recognize cleaning cartridges. Once a cleaning cartridge is recognized the media changer will report its special status in the Read Element Status data. Auto Clean Mode | The media changer supports Auto
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 10
    a magazine is inserted the media changer will automatically re-initialize. During this process the media changer shall return 02/04/01 status. When initializing is finished the media changer shall return a unit attention 06/28/00 before returning Ready status. The following non-media access commands
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 11
    TO ELEMENT PREVENT/ALLOW MEDIUM REMOVAL (prevent=0) PREVENT/ALLOW MEDIUM REMOVAL (prevent=1) READ BUFFER READ ELEMENT STATUS (curdata=0) READ ELEMENT STATUS (curdata=1) READ ELEMENT STATUS (dvcid=1) RELEASE (6) RELEASE (10) REPORT SUPPORTED OPERATION CODES REPORT TIMESTAMP REQUEST SENSE REQUEST
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 12
    OCP specification. Console Features The library is equipped with a serial port which allows a console interface to control the media changer. The console interface allows a user to monitor the media changer operation, make configuration changes and perform media access commands. When a user executes
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 13
    Media Transport Element (MTE) 1 (0x01) I/O Station Element (IEE) 16 (0x10) Data Transfer Element (DTE) 256 (0x100) Storage Element (STE) 4096 (0x1000) - 4117 (0x1015) Table 2-2. TL2000 Tape Library SCSI element addresses for I/O Station, storage slots, and drive slot Left Magazine ⇐ Front
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 14
    Tape Library SCSI element addresses for I/O Station, storage slots, and drive slot Upper Left Magazine ⇐ Front of TL4000 Tape Library Slot 17 4112 (0x1010) Slot 18 4113 (0x1011) Slot 19 4114 (0x1012) Slot 13 4108 (0x100C) Slot 14 4109 (0x100D) Slot 15 4110 (0x100E) Slot 9 4104 (0x1008) Slot
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 15
    SCSI Commands The media changer SCSI command set supports the following commands: Command INITIALIZE ELEMENT STATUS INITIALIZE ELEMENT STATUS WITH RANGE INQUIRY LOG REMOVAL READ BUFFER READ ELEMENT STATUS RECEIVE DIAGNOSTIC RESULTS RELEASE (6) RELEASE (10) REPORT SUPPORTED OPERATION CODES REPORT
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 16
    , and is useful after a power failure, if tape medium has been changed by an operator, or if subsystem configuration has changed. The library shall not return GOOD status until checking of all the elements is complete. Bit 7 6 5 4 3 2 1 0 Byte 0 Operation Code (07h) 1 LUN Reserved
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 17
    media changer to check the specified elements for volume status and any other relevant status. This command enables the initiator to get a quick response from a Read Element Status command that may follow, and is useful after a power failure, if tape storage slots taking in account the starting
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 18
    page v C0h - Firmware build information page v D0h - Vendor Specific Page v FFh - Vendor Use Only Allocation Length: Specifies the number of bytes of inquiry information the media changer is allowed to return to the initiator during the command s data-in phase. Error status is not returned if
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 19
    8. When a unsupported LUN was specified the Peripheral Device Type will return 1Fh which indicates that specified LUN is not supported. RMB: Removable Medium Bit. Set to 1. Version: The library complies to SPC-3. Set to 5. NormACA: A NORMACA bit set to zero indicates that the device server does not
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 20
    ACC: The ACC bit set to zero indicates that no access controls coordinator may be addressed through this logical unit. TPGS: The media changer does not support asymmetric logical unit access or supports a form of asymmetric access that is vendor specific. Neither the REPORT TARGET GROUPS nor the SET
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 21
    the media changer's software revision levels. When a firmware update is performed on the media changer, this part of the revision level changes to reflect that update. BarC: When set this bit indicates that the library is equipped with a bar code scanner. IUS: Information Units Supported. Set
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 22
    a unique serial number of the media changer. Bit 7 6 5 4 3 2 1 0 Byte 0 Peripheral Qualifier (0) Peripheral Device Type (8) 1 Page Code (80h) 2 Reserved 3 Page Length (10h) 4 - Serial Number (12 ACSII bytes) 15 16 - Unique Logical Library Identifier 19 Note: If an
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 23
    Type will return 1Fh which indicates that specified LUN is not supported. Code Set: This field is set to 2 indicating that the device 1 Page Code (C0h) 2 Reserved 3 Page Length (3Ch) 4 - 7 Reserved 8 - 11 Media changer Firmware Checksum in ASCII 12 - Media changer Firmware Build Date
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 24
    log is maintained in the media changer internal NVRAM and is therefore resistant to power failures. The only method to clear the event log is by means of a LOG SELECT command. Byte 0 1 2 3 4 5 6 7 8 9 Bit 7 (MSB) 6 LUN PC 5 4 3 2 Operation Code (4Ch) Reserved Reserved Reserved Reserved
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 25
    maintained by the media changer about its status with the sense key set to ILLEGAL REQUEST, and an additional sense code of INVALID FIELD IN CDB. Supported pages are: v 00h -List of Supported Pages Page v 07h -Event Log Page v 2Eh -Tape Alert Page v 30h -Statistics Counter Page v 33h -Error
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 26
    Byte 0 Reserved Page Code (00h) 1 Reserved 2 - 3 Page Length (5) 4 00h - Supported Log Pages page 5 07h - Event Log page 6 2Eh - Tape Alert page 7 30h - Statistics Counter page 8 33h - Error Log page Event Log Page (07h) In the Event Log the media changer keeps track of different
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 27
    Structure An event structure consists of two parts: a 13 byte event header and ( Code: The Parameter Code is a 2-byte value that uniquely identifies the event within the log. DU: Disable Update is set for any parameter that the Host cannot reset. DS: Disable Save. The media changer has no support
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 28
    Error Identifier 01h 02h 04h 08h 10h 20h 40h 80h Next table describes the possible Source module ID s which may generate events. Source module ID of event Main Drive CDB Interpreter Accessor Trace OCP Input OCP Output SCSI Identifier 0001h 0002h 0004h 0008h 0010h 0020h 0040h 0080h 3-14 TL2000
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 29
    ) The media changer will support the following Tape Alert Flags: Parameter Code 01d Flag name Library Hardware A Type C Description The media changer mechanism is having difficulty communicating with the drive: v Turn the library OFF then ON v Restart the operation If problem persists, contact
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 30
    If the problem persists, contact Technical Support. This flag is cleared when the door is closed. 17d Library I/O C There is a mechanical problem with the library media I/O Station. Station 18d Library C The library cannot operate without the magazine. Magazine v Insert the magazine into
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 31
    Header followed three vendor specific counters. The information in this page is stored in NV-RAM on power shut-down. This page will not be affected by the LOG SELECT command nor by Firmware updates. Byte 0 1 2 3 4 - 51 Bit 7 6 Reserved (MSB) 5 4 3 2 1 Page Code (30h) Reserved Page Length
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 32
    will increment. Number of Power-ups: This 4 byte unsigned counter specifies the number of 0 0 times the library is turned on. Number of Firmware This 4 byte unsigned counter specifies the number of 0 0 Updates: times the internal flash code (ROM) has been updated. Number of Loader This
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 33
    the error history of the media changer. Bit 7 6 5 4 3 2 1 0 Byte 0 Reserved Page Code (33h) 1 Reserved 2 - 3 Page Length 4 6211 Up to maximum 64 Hardware Error event structures (64*97 bytes) Field descriptions: Page Code: The Page Code echoes the page code that was specific in
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 34
    LSB) Field descriptions: Parameter Code: The Parameter Code is a 2-byte value that uniquely identifies the error event structure the log. It ranges between 1 and 64. DU: Disable Update is set for any parameter that the Host cannot reset. DS: Disable Save. The media changer has no support for SP bit
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 35
    ) The host provides the parameters through a parameter list to the media changer. The parameter list consists of the following items: v Parameter List Header v Mode Select page(s) Supported Mode Select pages: Page Code Subpage Code Page Name 00h 00h Parity Retry page Page saveable in NVRAM
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 36
    Specific) Provides a means to set the media changers capabilities. (not changeable). This page provides a means to mask certain error Block Descriptor Length (0) If no Block Descriptor is to be sent to the media changer specify zero as Block Reserved SPF (0) Page Code (00h) 1 Additional Page Length
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 37
    must be set to zero. The media changer does not allow implicit asymmetric logical unit access state changes. Tape Alert Page (1Ch) By means of this page the Host can specify the method of reporting Tape Alert events. Currently only the polling method is supported. Byte 0 1 2 3 4 - 7 8 - 11 Bit
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 38
    field must be set to zero. Report Count / Test Flag Number: Since test modes are not supported, this field reports Report Count only. But the media changer does not report Tape Alert events as Informational Exception conditions, therefore this field must be set to zero. Element Address Assignment
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 39
    the host can specify the number of tape drives installed. If the Number of Data Transfer Elements is greater than the default value returned in the Mode Sense parameter data, the library shall return a Check Condition. Note: The actual number of installed elements cannot be changed by the field
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 40
    is 1. Tape drives can code reader. When set to zero the library does not have a bar code reader. ACE: Auto Clean Enabled. When set to one, the library shall automatically clean the data transfer element. When set to zero the library does not automatically clean the data transfer element. 3-26 TL2000
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 41
    support the WRITE ATTRIBUTE commands for each element type XX. The media changer does not support the WRITE ATTRIBUTE command therefore these fields are set to 0. Vendor Specific are lost. The first occurred error will lead to a 02h temporary stop of the library. Seq Mode: Sequential Mode, this
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 42
    Low Level Trace Customer Events Recovered Error Hard Error Mask Bit 01h 02h 04h 08h 10h 20h 40h 80h Event Module Filter: The Trace Module Filter field determines which firmware module stores events. This field 0200h 0400h 0800h 1000h 2000h 4000h 8000h 3-28 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 43
    to determine is the page is savable to NVRAM. For documentation on the supported Mode Select pages refer to the Mode Select (6) description. Byte 0 1 2 3 4 5 6 7 8 9 Bit 7 IMSB) 6 LUN 5 4 3 2 1 Operation Code (55h) PF (1) Reserved Reserved Reserved Reserved Reserved Parameter list length
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 44
    ) Reserved DBD Page Code Subpage Code Allocation length Control Reserved Field descriptions: DBD: The Disable Block Descriptors bit specifies if the media changer may return block descriptor after the Parameter List Header. The media changer does not support block descriptors, therefore this
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 45
    the media changer may return an eight byte Block Descriptor. When a Block Descriptor is returned the Block Descriptor Length will report 8. When the DBD bit is set the media changer will not return Block Descriptors and therefore the Block Descriptor Length will report 0. Chapter 3. Supported SCSI
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 46
    retries performed on a parity error during data out, data in, and message out phase. By factory default the number of parity retries by the media changer. Byte 0 1 2 3 4 5 6 - 31 Bit 7 PS (0) (MSB) 6 5 4 3 2 1 SPF (1) Page Code (0Ah) Subpage code (01h) 32 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 47
    the method used by the media changer to report informational exception conditions. Currently only mode 0 is supported. This means that Tape Alert flags can only be read by polling with the LOG SENSE command to the Tape Alert page. Interval Timer: The library does not report Tape Alert conditions as
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 48
    (0) Page Code (1Dh media default Medium Transport Element address of zero). Number of Medium Transport Elements: This field indicates the number of robotic cartridge handler within the library. The library installed tape drives. Number of Data Transfer Elements: This field indicates the number of tape
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 49
    media is not an implemented feature, so the value returned for this field bit is 0. Member Number in Transport Element Set: This field indicates the specific medium transport element in the system to apply this descriptor to. The library SPF (0) Page Code (1Fh) 1 Supported SCSI Commands 3-35
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 50
    bit indicates that this page supports the new VRTP, ACE, XX-RA, and XX-WA fields. VTRP: Volume Tag Reader Present. When set to 1 this bit indicates that the library does have a bar code reader. When set to zero the library does not have a bar code reader. ACE: Auto Clean Enabled. When set to one
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 51
    library is in Random Mode. Note this mode can only be changed by means of the OCP or Web User interfaces. Log Mode: The Log Mode determines the selected behavior of the event log system. This mode can be set to the following different modes: Log Mode - Off - Continuous - Wait on first error
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 52
    event data in the event log. When a mask bit is cleared the event data of the subsequent firmware module will be discarded. Source module ID of event Main Drive CDB Interpreter Accessor Trace OCP Input OCP 0080h 0100h 0200h 0400h 0800h 1000h 2000h 4000h 8000h 3-38 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 53
    Reserved Reserved Allocation length Page Code Reserved Control (LSB) Field descriptions: DBD: The Disable Block Descriptors bit specifies if the media changer may return block descriptor after the Parameter List Header. The media changer does not support block descriptors, therefore this bit is
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 54
    descriptor was requested this count is also added to the Mode Data Length. Block Descriptor Length: When the DBD bit is set to zero the media changer may return an eight byte Block Descriptor. When a Block Descriptor is returned the Block Descriptor Length will report 8. When the DBD bit is set the
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 55
    The Move Medium command is used to move tape cartridges from one element address to another specific element address. The library can transfer cartridges between Storage Elements, Import/Export element. The library does not support medium rotation. Therefore this field must be set to zero.
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 56
    library. This command is used in conjunction with the PERSISTENT RESERVE OUT command. Byte 0 1 2 3 4 5 6 7 8 9 Bit 7 (MSB) 6 LUN 5 4 3 2 1 Operation Code (5Eh) Service Service Action: The following service actions are supported: Code with the Read Keys service action is shown below:
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 57
    the parameter data provided in response to a PERSISTENT RESERVE IN command with the Read Reservation service action is shown below: Bit 7 6 Byte 0 (MSB) 3 4 (MSB) 0 (MSB) 1 2 (MSB) 5 4 3 2 Reservation Key Scope-Specific Address 1 0 (LSB) Chapter 3. Supported SCSI Commands 3-43
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 58
    Bit 7 Byte 3 4 5 6 (MSB) 7 6 5 Scope Field descriptions: Reservation Key: See SPC-3 r23. Scope-Specific Address: See SPC-3 r23. Scope: See SPC-3 r23. Type: See SPC-3 r23. 4 3 Reserved Obsolete 2 1 Type 0 (LSB) (LSB) 3-44 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 59
    service actions that reserve the whole library or certain elements for the exclusive or shared use of a particular initiator. The command uses other service actions to manage and remove (LSB) Field descriptions: Service Action: The following service actions are supported: Code 00h 01h 02h 03h 04h
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 60
    is ignored for all other service actions. Scope-Specific Address: If the Scope is an Element Scope reservation, the Scope-Specific Address field shall contain the element address (zero filled in the most significant two bytes). APTPL: The Activate Persist Through power Loss (APTPL) bit shall be
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 61
    referred to as I/O Station. When the action code is set to Open Import/Export Element, the library will open the import/export element. The library will not return a Check Condition status when the import/export element was already open. When media removal is prevented and the I/O Station is full
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 62
    the Medium Transport Element to a specific element address position. This destination address 6 LUN 5 4 3 2 1 Operation Code (2Bh) Reserved Medium Transport Address Destination Address Reserved library does not support medium rotation. This value must be set to 0. 3-48 TL2000 and TL4000
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 63
    condition inhibits the media changer to remove magazines and open the Import/Export element. A prevent condition of the media changer shall not affect an UNLOAD command issued to the tape drive. Also a prevent condition shall not inhibit a front panel LOAD of a cartridge when the tape drive is empty
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 64
    media changer's data buffer and the SCSI bus integrity. It is also used to read out Vendor Specific settings. Bit 7 Byte 0 1 2 3 (MSB) 4 5 6 (MSB) 7 8 9 6 LUN 5 4 3 2 1 Operation Code supported value is set, the media changer terminates the command with a Check Condition status
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 65
    A WRITE BUFFER command to this page is used to update the setting variables in NV-RAM. Bit 7 6 byte alignment for the buffer. The media changer only supports byte alignment, so this value will to 000000h. Data Mode In this mode, the library returns the information stored in the specified Buffer
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 66
    ERROR. If the data in the Echo Buffer has been overwritten by another host the library shall return Check Condition status command) Echo Buffer Descriptor Mode In this mode, the media changer returns the descriptor information for the Echo Buffer. Overwritten Support bit is set. The library shall
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 67
    transferred; this is not an error condition. CurData: If the CurData bit is set the library shall return element status data without causing device motion. If the CurData bit is zero, the library may cause device motion to confirm element status data. Chapter 3. Supported SCSI Commands 3-53
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 68
    DVCID: If the DVCID bit is set the media changer will return device identifiers for the Data Transfer Status Page includes an 8-byte sub-header and one or more element descriptors. The sub-header includes the element type code, the settings for PVolTag and AVolTag, the length of each descriptor block
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 69
    sense code information and/or other information depending on the element type. The following subsections describe each of the possible element descriptors. Medium Transport Element Status Page (01h) The Medium Transport Element is the device that physically moves the tapes around in the library
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 70
    a tape cartridge. A value of 0 indicates the medium transport element is empty. Additional Sense Code: This field may provide specific information Invert: The library uses singe sided media and does not support inverting of the media. The value reported for this field is 0. 3-56 TL2000 and TL4000
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 71
    The element contains a cleaning cartridge without a readable bar code label. Element not yet scanned The media changer has not scanned this element up to now. No bar code label The element contains a cartridge without a readable bar code label. Storage Element Status Page (02h) The Storage
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 72
    a tape cartridge. A value of 0 indicates the storage address element is empty. Additional Sense Code: This field may provide specific information Invert: The library uses singe sided media and does not support inverting of the media. The value reported for this field is 0. 3-58 TL2000 and TL4000
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 73
    a cleaning cartridge without a readable bar code label. Magazine removed Insert magazine. Element not yet scanned The media changer has not scanned this element up to now. No bar code label The element contains a cartridge without a readable bar code label. Import/Export Element Status Page
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 74
    status is reported by this element descriptor block. Full: A full bit value of 1 indicates that the import/export element address contains a unit of media in the Additional Sense Code and Additional Sense Code Qualifier fields. Access: When set to 1 this field indicates that access to the import/
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 75
    3Bh ASCQ 03h 83h 12h Description Cleaning cartridge Cleaning cartridge without bar code label Magazine removed Action The element contains a cleaning cartridge. The element contains a cleaning cartridge without a readable bar code label. Insert magazine. Chapter 3. Supported SCSI Commands 3-61
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 76
    The media changer has not scanned this element up to now. No bar code label The element contains a cartridge without a readable bar code label. Data Transfer Element Status Page (04h) The Data Transfer Element is the device that stores user data on the cartridges in the library (aka Tape Drive
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 77
    this bit may not be sufficient to ensure a successful operation. Access is set to 0 if the drive has an error that would prevent it from being used. For example, if there is a communication failure between the medium changer and the tape drive Access is set to 0. Except: An Except bit of 0 indicates
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 78
    a cleaning cartridge. Cleaning cartridge without bar code label The element contains a cleaning cartridge without a readable bar code label. Magazine removed Insert magazine. Drive communication problem The media changer has problems communicating with the tape drive. Make sure the tape drive
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 79
    RELEASE 6 (17h) The RELEASE command is used to release a previously reserved logical unit. Bit 7 6 5 4 3 2 1 0 Byte 0 Operation Code (17h) 1 LUN Obsolete 2 Obsolete 3 Reserved 4 Reserved 5 Control Field descriptions: Chapter 3. Supported SCSI Commands 3-65
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 80
    Code (57h) 3rdPty Reserved Obsolete Third Party Device ID Reserved Reserved Reserved Parameter List Length Control 1 0 LongID Reserved (LSB) Field descriptions: LongID: Device IDs greater than 255 are not supported, therefore setting of LongID will result in a Check Condition status
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 81
    An application client may request a list of all operation codes and service actions supported by the media changer. Bit 7 Byte 0 1 2 3 4 (MSB) 5 6 (MSB) 7 8 9 10 11 6 5 4 3 2 1 0 LUN Operation Code (A3) Service Action (0Ch) Reserved Reporting Options Requested Operation
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 82
    a usage map for bits in the CDB for the command specified by the Reporting Options, Requested Operation Code, and Requested Service Action fields in the REPORT SUPPORTED OPERATION CODES CDB. Bit 7 Byte 0 1 2 (MSB) 3 4 (MSB) n 6 5 4 3 Reserved Reserved CDB Size (n-3) CDB Usage Data
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 83
    . The device server does not support the requested command. All data after byte 1 is undefined. Reserved The device server supports the requested command in conformance with a SCSI standard. Reserved The device server supports the requested command in a vendor specific manner. Reserved Chapter
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 84
    the library return the value of the logical unit s timestamp. Bit 7 Byte 0 1 2 3 4 5 6 (MSB) 7 8 9 10 11 6 LUN 5 4 3 2 1 Operation Code (A3) Service Action Timestamp origin field indicates the origin of the timestamp. Code Description 3-70 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 85
    000b 001b 010b 011b Timestamp initialized to zero at power-on or as the result of a hard reset Reserved Timestamp initialized by the SET TIMESTAMP command Stamp field returns the number of milliseconds that have elapsed since midnight, 1 January 1970 UT. Chapter 3. Supported SCSI Commands 3-71
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 86
    . During this self-test the serial communication to the tape drive and robotics is tested. Also any pending Hardware Error condition is reported on this command. Byte 0 1 2 3 4 5 Bit 7 (MSB) 6 LUN 5 4 3 2 1 0 Operation Code (1Dh) PF (1) Reserved SelfT (1) Reserved Parameter List Length
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 87
    information for one media changer element address. The function of the command is conveyed by the Send Action Code field value. Code: The Element Type Code field specifies an element type specification as defined in the Read Element Status command. If the Send Action Code Supported SCSI Commands 3-73
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 88
    The Parameter List Length field shall be zero when the Send Action Code is an undefine function. The Parameter List Length shall be set volume tag information that meets the search specification. This field is ignored for assert, replace, and undefine functions. 3-74 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 89
    shall be terminated with CHECK CONDITION status, with the sense key set to ILLEGAL REQUEST, and the additional sense code set to INVALID FIELD IN CDB. Bit 7 Byte 0 1 2 3 4 5 6 (MSB) 7 8 9 10 11 6 LUN 5 4 3 2 1 Operation Code (A4) Service Action (0Fh) Reserved Reserved Reserved
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 90
    to receive. The sense data is valid for a check condition status returned on the previous command. The sense data bytes are preserved by the library until retrieved by the REQUEST SENSE command from the same initiator. If the media changer receives a REQUEST SENSE command, it returns up to 18
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 91
    be accessed. Operator intervention may be required to correct this condition. Indicates that the device server detected a non-recoverable hardware failure (for example, controller failure, device failure, parity error, etc.) while performing the command or during a self test. Chapter 3. Supported
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 92
    data for some commands 6h UNIT ATTENTION Indicates that the removable medium may have been changed or the target has been reset. Bh ABORTED COMMAND Indicates that the device server aborted the command. Note: A list of possible sense keys, with supported sense codes (ASC) and additional sense
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 93
    6 LUN 5 4 3 2 1 Operation Code (B5h) VolTag Element Address Obsolete Number Elements command, the library shall report that the library shall media changer element address whose interpretation depends on the Send Action Code the Send Action Code field is library shall only return those
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 94
    the Request Volume Element Address Header returns the Send Action code of the last successful Send Volume Tag command. Byte Count of Report Available: This field indicates the number of available element status bytes that meet the CDB requirements. This value does not adjust to match the Allocation
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 95
    the library, only the INQUIRY, LOG SENSE, RELEASE, REQUEST SENSE, REPORT LUNS, READ ELEMENT STATUS with CurData set and ALLOW MEDIUM REMOVAL commands are accepted from other initiators. All other commands result in a Reservation Conflict status. Bit 7 6 5 4 3 2 1 0 Byte 0 Operation Code
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 96
    to be reserved for another specified SCSI device. When a initiator reserves the library, only INQUIRY, LOG SENSE, RELEASE, REQUEST SENSE, REPORT LUNS, READ ELEMENT STATUS with CurData set and ALLOW MEDIUM REMOVAL commands are accepted from other initiators. All other commands result in a Reservation
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 97
    is ready for commands involving cartridge movement. If the media changer has completed initialization and the magazines are inserted, the command returns Good Status. Otherwise, Check Condition is reported. Due to power cycle, code update, etc., it is possible to get multiple check conditions
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 98
    Echo buffer If any non supported value is set, the media changer terminates the command with a Check Condition status. The sense key will be set to ILLEGAL REQUEST and the sense data to INVALID FIELD IN CDB. Buffer ID: When the Mode is set to Download micro code or Download micro code and save, the
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 99
    shall then be effective after each power-cycle. The firmware image can be sent in variable length blocks, the buffer offset should be the incremental of the previously send code. After download completion the media changer shall generate a unit attention condition to all initiators. The additional
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 100
    3-86 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 101
    sent from a target to an initiator to indicate that the execution of a command completed and a valid status has been sent to the initiator. Extended messages The library supports two extended messages: Synchronous Data Transfer Request (01h) and Wide Data Transfer Request (03h). All other extended
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 102
    pointers of the I/0 process to the corresponding active pointers. The command and status pointers are restored to the value at the beginning of the data area. The media changer sends the Restore Pointers message after a detecting a parity error during the command phase or data out phase. After the
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 103
    and continues processing the current command. Message Parity Error The MESSAGE PARITY ERROR message is sent from the initiator to the target supported logical unit number for the media changer is 1. If the LUN fiels is set to a other value than 0, the media changer returns Check Condition status
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 104
    4-4 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 105
    error information The target is busy. This status is returned when the device is unable to accept a command from an otherwise acceptable initiator. The initiator should reissue the command at later time. This status is returned by the media changer when a SCSI initiator attempts to access the media
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 106
    5-2 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 107
    RESERVE IN PESISTENT RESERVE OUT POSITION TO ELEMENT PREVENT/ALLOW MEDIUM REMOVAL READ BUFFER READ ELEMENT STATUS RELEASE 6 RELEASE 10 REQUEST SENSE RESERVE 6 RESERVE 10 REPORT TIMESTAMP REPORT SUPPORTED OPERATION CODES REQUEST VOLUME ELEMENT ADDRESS SEND DIAGNOSTICS Command Timeout 11 minutes 11
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 108
    Status With Range time-out assumes a fully populated unit. 3. The Move Medium command assumes a move from one storage element to the data transfer element or vice versa. If the cartridge has not been unloaded by a host command to the tape drive, prior to receiving the Move Medium command, the media
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 109
    in progress Offline Door open Firmware upgrade in progress The drive is not enabled The drive is busy The drive is not empty Drive fibre down The media changer is in sequential mode Cleaning in progress Magazine removed Incompatible media installed Cleaning tape installed Cleaning failure 7-1
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 110
    Error code reader No response from EEPROM Slave robotic generic problem Setting of gripper pic value failed Setting of slider pic value failed Setting of elevator pic value failed Setting of rotation pic value failed Setting of sled pic value failed Gripper blocked Slider blocked Elevator blocked
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 111
    upgrade from USB ROM error RAM error NVRAM error CTC error UART error Display error Memory error Fatal system error dBase error No SCSI IC detected Different bar code labels External cooling fan failure Internal I2C bus error Over temperature problem Drive communication error Drive sled not present
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 112
    image, does not fit boot code Wrong personality firmware image Wrong firmware image, checksum error Saving parameters not supported Medium destination element full Medium source element empty Medium magazine not accessible Medium transfer element full Library media removal prevented state set Drive
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 113
    Sense Key ASC Command Aborted (0Bh) 3Fh 43h 47h 49h 4Eh ASCQ 0Fh 00h 00h 00h 00h Description ECHO buffer overwritten SCSI message error SCSI parity error SCSI invalid message Overlapped command attempt Chapter 7. Sense Keys, ASC, and ASCQ 7-5
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 114
    7-6 TL2000 and TL4000 SCSI Reference
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 115
    2-1 command complete 4-1 Command Status Byte 5-1 command supported 3-1 command timeouts 6-1 commands allowed in the presence of reservations 2-3 console features 2-4 control modes 2-1 D disconnect 4-2 drive auto clean mode 2-1 user commanded cleaning 2-1 E error initiator detected 4-2 F features
  • Dell PowerVault TL4000 | SCSI Reference Guide - Page 116
    3-48 PREVENT / ALLOW MEDIA REMOVAL (1Eh) 3-49 R READ BUFFER (3CH) 3-50 READ ELEMENT STATUS (B8h) 3-53 RELEASE (17h) 3-65 RELEASE 10 (57H) 3-66 REPORT SUPPORTED OPERATION CODES (A3h) 3-67 REPORT 3-75 T TEST UNIT READY (00h) 3-83 W WRITE BUFFER (3Bh) 3-84 X-2 TL2000 and TL4000 SCSI Reference
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