Quantum 1200 Series DAT Autochanger Uživatelská příručka stáhnout pdf (Strana 218)

READ ATTRIBUTE Command (8Ch) SDLT 600 SCSI Interface Guide

4-176 January 2005 81-81200-02 REV A01

MEDIUM SERIAL NUMBER: Identifies the manufacturer’s serial number for the medium.

MEDIUM LENGTH: Specifies the length of the medium in meters. A value of 00h specifies that the

length of the medium is undefined.

MEDIUM WIDTH: Specifies the width of the medium supported by this density. The value is

expressed in units of tenths of millimeters. The value in this field is rounded up if the fractional value

of the actual value is greater than or equal to 0.5. The Medium Width field may vary for a given

density depending on the mounted medium. A value of 00h specifies the width of the tape is

undefined.

ASSIGNING ORGANIZATION: Identifies the organization responsible for the specifications

defining the values in the MEDIUM DENSITY CODE attribute. The Assigning Organization field is

set to “Quantum.”

MEDIUM DENSITY CODE: Contains the actual density of the tape based on the following rules:

1. If the tape has been written, this attribute reports the actual density of the data on the medium.

2. If the host has selected a valid density with a MODE SELECT command, this attribute reports the

selected density.

3. If neither 1 nor 2 is true, this field reports the native density that can be written on this tape.

MEDIUM MANUFACTURE DATE: Identifies the date of manufacture of the medium. The format

is YYYYMMDD; that is, 4 numeric ASCII characters for the year followed by 2 numeric ASCII

characters for the month followed by 2 numeric ASCII characters for the day with no intervening

spaces.

MAM CAPACITY: The total capacity of the medium auxiliary memory, in bytes, at manufacture

time. It does not indicate the free space of an unused medium auxiliary memory because some of the

medium auxiliary memory space may be reserved for device-specific use making it inaccessible to the

application client.

MEDIUM TYPE

AND MEDIUM TYPE INFORMATION: Indicates the type of media on which

the MAM chip resides. At this time, Super DLTtape media only supports the Data Medium type. The

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Quantum 1200 Series DAT Autochanger Uživatelská příručka Strana 218