Exabyte EXB-8205 Instruções de Operação descarregar pdf (Página 322)

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101

Compression Errors

If you are writing in compressed format and the decompressed data

does not match the compressed data during the Compression

Integrity Check, the CTS aborts the data transfer. The data block

containing the compression error is not written to tape.

After aborting the data transfer, the CTS sends Check Condition

status to the initiator, followed by a Command Complete message.

The sense key is set to Aborted Command (Bh), and the ASC and

ASCQ are set to 10h and 00h.

You may be able to recover from this unlikely error by performing the

following actions:

If you are attempting to write a variable-length block, reissue

the WRITE command an unlimited number of times. Each time a

failure is detected, the CTS returns Check Condition status.

If you are attempting to write fixed-length blocks, follow these

steps:

1. Issue a REQUEST SENSE command.

2. Look at the Information Bytes to determine how many fixed

blocks need to be re-sent. These bytes indicate how many

logical blocks were not transferred successfully (including

the logical block with the compression error).

3. Adjust the initiator’s data pointer to reflect the number of

blocks that were successfully transferred.

4. Issue a WRITE command to re-send the blocks that were not

successfully transferred.

25-12

EXB-8205 and EXB-8505

(Standard and XL)

510503

25 WRITE (0Ah)

1 2 ... 317 318 319 320 321 322 323 324 325 326 327 ... 445 446

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Exabyte EXB-8205 Instruções de Operação Página 322

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