Exabyte EXB-8205 Instruções de Operação descarregar pdf (Página 83)

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Reconnect Threshold

The reconnect threshold is used in streaming mode to control data

transfers between the buffer and the initiator. The reconnect

threshold is measured in 3-KByte increments. The default value is 80h

(384 KBytes). You can change this value with a MODE SELECT (15h)

command.

Write Operations During a streaming write operation, the CTS

disconnects from the initiator when the buffer becomes full but

continues to write data to tape. The reconnect threshold

represents the minimum amount of free space that must be in the

CTS’s 1-MByte buffer before the CTS will reconnect to the initiator

to accept additional data. When the reconnect threshold is

exceeded, the CTS reconnects to the initiator and data transfer

continues again until the buffer is full.

Read Operations During a streaming read operation, the CTS

disconnects from the initiator when the buffer becomes empty but

continues to read data from the tape. The reconnect threshold

represents the minimum amount of data that must be in the CTS’s

1-MByte buffer before the CTS will reconnect to the initiator to

transfer data from the buffer. When the reconnect threshold is

exceeded, the CTS reconnects to the initiator and data transfer

resumes again until the buffer is empty.

May 1994 EXB-8205 and EXB-8505

(Standard and XL)

3-21

3 Implementing CTS Operations

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Exabyte EXB-8205 Instruções de Operação Página 83

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