Exabyte EXB-8205 Instruções de Operação descarregar pdf (Página 220)

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101

Writing and Reading in 8500 Format (EXB-8505)

This section describes how to use the EXB-8505 to write, append to,

and read tapes in 8500 format.

Writing 8500 Format Tapes

To write tapes in 8500 format, follow these steps:

1. Load a blank data cartridge in the EXB-8505 (or load a

previously written data cartridge that you want to overwrite).

2. Issue a MODE SELECT command at LBOT. Set the Density

Code in the Block Descriptor to 15h.

Note: Refer to page 10-68 if you cannot issue MODE SELECT

commands.

3. Issue a WRITE or WRITE FILEMARKS command to write the

data.

Appending to 8500 Format Tapes

If a tape has already been written in 8500 format and you want to

write additional data on the tape, follow these steps:

1. Load the data cartridge in the EXB-8505.

Note: If you issue a MODE SELECT command at LBOT, be

sure that the Density Code in the Block Descriptor is set

to 15h.

2. Issue a READ, SPACE, or LOCATE command to move away

from LBOT and to a legal position for appending.

Note: Legal positions for appending in 8500 format are either

side of a long filemark and at the end-of-data (EOD)

mark.

3. Issue a WRITE or WRITE FILEMARKS command to write the

additional data. The EXB-8505 automatically sets the Density

Code to 8500 format.

Note: The WTF bit in the MODE SENSE data indicates that the

EXB-8505 is writing in 8500 format (000b).

10-64

EXB-8205 and EXB-8505

(Standard and XL)

510503

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

1 2 ... 215 216 217 218 219 220 221 222 223 224 225 ... 445 446

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Exabyte EXB-8205 Instruções de Operação Página 220

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