Exabyte EXB-8205 Instruções de Operação descarregar pdf (Página 180)

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Byte 03 - Reconnect Threshold

The value in the Reconnect Threshold byte indicates the amount of

data that must be in the buffer before the CTS reconnects to the

initiator for a buffered write or read operation. The value is expressed

in 3-KByte increments. The default is 80h (384 KBytes). Valid values

range from 20h to D0h (96 to 624 KBytes). For more information

about the reconnect threshold, see Section 3.6.

Note: If the ND bit is 1 and you set the Reconnect Threshold byte to

a value less than A0h or greater than C0h, the value will

automatically be changed to A0h. If, however, you set the

Reconnect Threshold byte to a value between A0h and C0h,

that value will take effect. If the ND bit is 0, the Reconnect

Threshold byte can have any value from 20h to D0h (96 to 624

KBytes).

Byte 04 - Gap Threshold

The Gap Threshold byte specifies the maximum number of

consecutive gap blocks that the CTS will write on the current track

while determining whether an empty buffer exists during a write

operation.

After writing the number of gap blocks specified by this byte, the CTS

will either continue the write operation (if there is new data in the

buffer) or begin the process to stop tape motion (if the buffer is still

empty). Before actually stopping tape motion, the CTS writes

additional gap blocks to complete the current track and then writes

one or two complete gap tracks. (See the EXB-8205 and EXB-8505

Product Specification for more information.)

Valid values for the Gap Threshold byte are 00h to FFh. Any value

greater than 07h is treated as 07h by the CTS. The default value for the

Gap Threshold byte is 07h.

10-24

EXB-8205 and EXB-8505

(Standard and XL)

510503

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

1 2 ... 175 176 177 178 179 180 181 182 183 184 185 ... 445 446

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Exabyte EXB-8205 Instruções de Operação Página 180

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