Exabyte EXB-8205 Instruções de Operação descarregar pdf (Página 215)

100

101

Bytes 03 through 07 - Total Bytes Received

The value returned for the Total Bytes Received field is a cumulative

count of all data bytes received from the SCSI bus since one of the

following events occurred:

The CTS was reset (by a power-on, device, or SCSI bus reset)

A change in the direction of tape motion occurred

The data cartridge was unloaded

The operating mode was changed from write to read

Note: If no data bytes have been received, the value returned for this

field is FFh.

Bytes 08 through 12 - Total Bytes Written

The value returned for the Total Bytes Written field is a cumulative

count of all bytes written to the buffer since one of the following

events occurred:

The CTS was reset (by a power-on, device, or SCSI bus reset)

A change in the direction of tape motion occurred

The data cartridge was unloaded

The operating mode was changed from write to read

The value in this field represents the total size of the data after it has

been processed by the data compression algorithm.

Note: If no bytes have been written to the CTS’s buffer, the value

returned for this byte is FFh.

Determining the Compression Ratio

You can use the Total Bytes Received and Total Bytes Written fields to

calculate the compression ratio as follows:

Compression ratio

Total Bytes Received

Total Bytes Written

May 1994 EXB-8205 and EXB-8505

(Standard and XL)

10-59

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

1 2 ... 210 211 212 213 214 215 216 217 218 219 220 ... 445 446

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Exabyte EXB-8205 Instruções de Operação Página 215

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