Exabyte EXB-8205 Instruções de Operação descarregar pdf (Página 206)

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Bytes 08 and 09 - Partition Size

The Partition Size field specifies the size of the first partition on the

tape when IDP = 1 and Additional Partitions Defined is 01h. The

partition size represents the amount of data space that will be

available between the logical beginning of the partition (LBOP) and

the logical end of the partition (LEOP). The size of the second

partition is the remainder of the tape.

The Partition Size field is available only in the long form of the

Medium Partition Page and is valid only when two partitions are

defined for the tape. If Additional Partitions Defined is 00h, the

EXB-8505 ignores this field in the MODE SELECT command, and any

value returned for this field in the MODE SENSE data is invalid.

Specify the units for the Partition Size field in the PSUM field (byte 04,

bits 4 and 3). The value you specify for Partition Size is converted to

MBytes and rounded down to the nearest MByte. If the resulting

value is 0, the partition size is automatically set to 1 MByte.

Note: If you set the IDP bit to 1 and the Partition Size field to 0, the

EXB-8505 will format a tape with one partition.

Table 10-12 indicates how much data space is available between

LEOP and PEOP in the first partition.

If the first partition

is this size...

The available space between

LEOP and PEOP is...

1 to 10 MBytes 10 MBytes

11 to 200 MBytes 40 MBytes

201ormoreMBytes 70MBytes

Table 10-12 Available data space between LEOP and PEOP in the first partition of a

dual-partition tape

10-50

EXB-8205 and EXB-8505

(Standard and XL)

510503

10 MODE SELECT (15h) and MODE SENSE (1Ah)

1 2 ... 201 202 203 204 205 206 207 208 209 210 211 ... 445 446

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