Quantum Scalar i2000 Betriebsanweisung

SCSI Reference GuideScalar Intelligent Libraries 6-00423-11 Rev A

x TablesTable 87 Test Unit Ready statuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90Tab

90 SCSI CommandsTest Unit Ready (00h)What the Library Does With This CommandThe library returns status based on its current mode and state. These are

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 91Write Buffer (3Bh)What the Library Does With This CommandThe library will receive a

92 SCSI Commands

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 1SCSI Command SupportDevice ModelQuantum intelligent libraries support both a Media Ch

2 SCSI Command SupportDA Blade Controller Device Commands and ParametersThe following table lists the commands supported by the DA Blade Controller De

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 3Media Changer Commands and ParametersThe following table lists the commands supported

4 SCSI Command SupportThe following table lists the parameters supported by the Media Changer. The Media Changer does not support any diagnostic param

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 5General Command Support BehaviorMultiple Initiator SupportMultiple initiators are not

6 SCSI Command SupportFor a complete list of all possible sense data and their causes, refer to Request Sense – 03h on page 77. This status informatio

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 7Reserved FieldsReserved fields are not checked, and no error will be sent if they con

8 SCSI Command SupportEXTENDED MESSAGE 01h Out This message is sent from an initiator to the target to attempt to negotiate synchronous or wide data t

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 9Fibre Channel Interface SupportThe library Fibre Channel ports can be N_Ports for poi

Quantum Scalar® Intelligent Libraries SCSI Reference Guide, 6-00423-11, Ver. A, March 2011, Product of USA.Quantum Corporation provides this publicati

10 SCSI Command SupportAutocleaningThe library supports a user-configurable option to have the library automatically clean drives when requested by th

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 11SCSI CommandsInitialize Element Status - 07hWhat the Library Does With This CommandT

12 SCSI CommandsInitialize Element Status CDB FormatThe INITIALIZE ELEMENT STATUS CDB format is shown in the following table.No Barcode Labels (NBL) –

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 13Initialize Element Status With Range - E7hWhat the Library Does With This CommandThe

14 SCSI CommandsNumber of Elements - This field specifies the number of elements to check. Gaps in element types and addresses are automatically handl

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 15Inquiry - 12hWhat the Library Does With This CommandIn response to this command the

16 SCSI CommandsStandard Inquiry ResponsePeripheral Qualifier – A return value of 000b indicates that the library supports the peripheral device type

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 17Peripheral Device Type – For Media Changer logical units, this field returns 01000b

18 SCSI CommandsSynchronous Transfer (Sync) – Returned as 1, indicating synchronous transfers are supported (applies to parallel SCSI only).Linked Com

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 19IUS – This field is only returned for Media Changer logical units controlled via par

Quantum Scalar Intelligent Libraries SCSI Reference Guide iiiContents1 SCSI Command Support 1Device Model. . . . . . . . . . . . . . . . . . . . . . .

20 SCSI CommandsPage Length - Returned as 03h, indicating the remaining number of bytes in this page following this field.First Page Code Supported -

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 21Device Identification Page (83h)Peripheral Qualifier – The return value 000b indicat

22 SCSI CommandsProtocol Identifier – The PROTOCOL IDENTIFIER field may indicate the SCSI transport protocol to which the identifier type applies. If

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 23Note: When the library is reported on LUN 1 by a drive, then NAA port identifier inf

24 SCSI CommandsThe eight-byte Node and Port Worldwide Names have the following format:Table 17 Controller Port Identification DescriptorBitByte765432

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 25Log Sense - 4DhWhat the Library Does with This CommandThe library returns informatio

26 SCSI CommandsPage Code – The Page Code field identifies which log page is being requested by the initiator. Parameter Pointer - This field specifie

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 27Parameter Code – This field identifies which log parameter was transferred. The vali

28 SCSI CommandsSupported Log Page (00h)This page returns a list of all log pages supported by the library. Page Code – The returned value is 00h, ind

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 29The supported Tape Alert flags are:Flag 1: Drive Communication Failure (C) - This fl

iv ContentsLog Sense - 4Dh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 SCSI CommandsMode Select (6) - 15hWhat the Library Does With This CommandThe library does not support any changeable parameters, and this command i

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 31Mode Parameter Header Following the MODE SELECT CDB, a single Mode Parameter Header

32 SCSI CommandsMode Select (10) - 55hWhat the Library Does With This CommandThe library does not support any changeable parameters, and this command

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 33Mode Parameter HeaderFollowing the MODE SELECT CDB, a single Mode Parameter Header s

34 SCSI CommandsMode Sense (6) - 1AhWhat the Library Does With This CommandThe library will return the current settings for the supported mode pages.

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 35Page Control (PC) - This field indicates the type of mode page parameter values to r

36 SCSI CommandsMode Sense (10) - 5AhWhat the Library Does With This CommandThe library will return the current settings for the supported mode pages.

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 37Page Control (PC) - This field indicates the type of mode page parameter values to r

38 SCSI CommandsMode PagesThe following table lists the mode pages supported by the library.Table 36 Supported Mode PagesPage Code Page Name Page Desc

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 39Disconnect-Reconnect Page (02h)The Disconnect-Reconnect mode page is only supported

Quantum Scalar Intelligent Libraries SCSI Reference Guide vRead Buffer – 3Ch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40 SCSI CommandsConnect Time Limit – This field indicates the maximum duration of an interconnect tenancy. A value of 0 is returned to indicate that t

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 41Fibre Channel Port Control Page (19h)The Fibre Channel Port Control mode page report

42 SCSI Commandsaddress. If the hard address has not changed from the address obtained in a previous successful loop initialization, the target will a

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 43Parameter List Length – This field is set to 0Ah (10).Log Errors (LogErr) – This fie

44 SCSI CommandsElement Address Assignment Page (1Dh)The Element Address Assignment mode page returns the first element address and the element quanti

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 45First Storage Element Address – This field returns 1000h, which is the address of th

46 SCSI CommandsDevice Capabilities Page (1Fh)The Device Capabilities page defines the rules governing cartridge movement within the library. It descr

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 47Move Medium – A5hWhat the Library Does With This CommandThe library will attempt to

48 SCSI CommandsMove Medium CDB Format The MOVE MEDIUM CDB format is shown in the following table.Medium Transport Element Address – This field contai

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 49Persistent Reserve In – 5EhWhat the Library Does With This CommandThe library return

vi Contents

50 SCSI CommandsAllocation Length – This field specifies the byte length allowed for returning the requested data. The number of bytes returned is the

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 51Read Reservations ResponseThe response for a Read Reservations service action is sho

52 SCSI CommandsReport Capabilities ResponseThe response for a Report Capabilities service action is shown in the following table.Length – This field

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 53Report Full Status The response for a Report Full Status service action is shown in

54 SCSI CommandsR_Holder – Set to 1 to indicate that the I-T nexus is a Persistent Reservation Holder.Transport _ID – See details in PERSISTENT RESERV

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 55Persistent Reserve Out – 5Fh What the Library Does With This CommandThe library will

56 SCSI Commands• 05h Preempt and Abort – Preempt reservations from another initiator and abort all tasks for all initiators with the specified reserv

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 57If the Reervation Key does not match with the one registered in the device server fo

58 SCSI CommandsTransport IDs – See Section Transport IDs below.Unreg – Set to 1 to indicate that the I-T nexus on which the command was received be u

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 59Table 56 SAS Transport IDsBitByte765432100 Format Code (00b) Reserved Protocol Ident

Quantum Scalar Intelligent Libraries SCSI Reference Guide viiTablesTable 1 DA Blade Controller Device Supported Commands . . . . . . . . . . . . . . .

60 SCSI CommandsPosition to Element – 2BhWhat the Library Does With This CommandThe library will move the picker in front of the specified element at

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 61Prevent Allow Medium Removal – 1EhWhat the Library Does With This CommandThe library

62 SCSI CommandsRead Buffer – 3ChWhat the Library Does With This CommandThe library will return requested buffer descriptor information or buffer data

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 63In Echo Buffer Mode, data is transferred to the initiator from the echo buffer. The

64 SCSI CommandsTherefore the value contained in the Buffer Offset field of subsequent READ BUFFER commands should be a multiple of 2offset boundary a

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 65Read Element Status – B8hWhat the Library Does With This CommandThe library returns

66 SCSI CommandsElement Type Code – This field specifies the element types selected for the returned information, as shown in the following table.Star

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 67Read Element Status ResponseElement status data consists of an eight-byte header, fo

68 SCSI CommandsElement Status PageEach element status page consists of an eight-byte header, followed by one or more element descriptor blocks. One E

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 69Primary Volume Tag FieldVolume tags (returned in the Primary Volume Tag field) are b

viii TablesTable 25 Tape Alert Log Page Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Table 2

70 SCSI CommandsAdditional Sense Code Qualifier – If the element is in an abnormal state, this field will be set to a value as described in Table 78 o

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 71Additional Sense Code – If the element is in an abnormal state, this field will be s

72 SCSI CommandsImport/Export (ImpExp) – A value of one indicates that media present in the element was placed there by an operator. A value of zero i

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 73Additional Sense Code Qualifier – If the element is in an abnormal state, this field

74 SCSI CommandsRelease Element – 17hWhat the Library Does With This CommandThe library releases any outstanding reservation that had previously been

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 75Report LUNS – A0hWhat the Library Does With This CommandThe library will return a li

76 SCSI CommandsReport LUNS ResponseLUN List Length – This field returns the length in bytes of the list of LUNs being returned.LUN – These fields ret

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 77Request Sense – 03hWhat the Library Does With This CommandThe library returns eighte

78 SCSI CommandsRequest Sense ResponseValid – The Valid field is set to 0 if the Information field is not valid. It is set to 1 if the Information fie

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 79Information – This field returns additional information for certain ASC/ASCQs where

Quantum Scalar Intelligent Libraries SCSI Reference Guide ixTable 56 SAS Transport IDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

80 SCSI Commands04h 03h x The library is not ready and a manual intervention is required04h 12h x Logical unit not ready, offline04h 83h x The library

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 8126h 04h x Invalid release of persistent reservation28h 00h x Not Ready to Ready chan

82 SCSI Commands4Ah 00h x Command phase error4Bh 00h x Data phase error4Eh 00h x Overlapped commands attempted53h 00h x A drive did not load or unload

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 83Request Volume Element Address - B5hWhat the Library Does With This CommandThe libra

84 SCSI CommandsElement Type Code - This field specifies the element types selected for the returned information, as shown in the following table.Star

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 85There are only up to four Element Status Pages, one for each element type. The eleme

86 SCSI CommandsReserve Element - 16hWhat the Library Does With This CommandThe library reserves the entire library for the initiator making the reque

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 87Send Diagnostic - 1DhWhat the Library Does With This CommandIf the Self Test option

88 SCSI CommandsSend Volume Tag - B6hWhat the Library Does With This CommandThe library searches its existing inventory for barcode labels that match

Quantum Scalar Intelligent Libraries SCSI Reference Guide Guide 89Element Type Code - This field specifies the element types selected for the search,