Exabyte EXB-8205 Provozní pokyny stáhnout pdf (Strana 319)

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101

Example

1. The initiator issues five buffered WRITE commands to the CTS

(WRITE 1 through WRITE 5). The 500 KBytes of data (assumed

to be uncompressed) associated with these commands is

transferred to the CTS’s buffer, but it does not cause tape motion

to begin because the 512-KByte motion threshold has not been

exceeded.

After receiving the data for each command, the CTS returns

Good status to the initiator, indicating that the command

completed successfully.

2. The initiator issues a sixth buffered WRITE command to the CTS

(WRITE 6). The 100 KBytes of data associated with this

command exceeds the motion threshold and causes the CTS to

re-tension the tape.

The CTS returns Good status to the initiator, indicating that the

command completed successfully.

3. While the tape is being re-tensioned, the initiator issues two

more buffered WRITE commands to the CTS (WRITE 7 and

WRITE 8). The data associated with these commands is

transferred to the CTS’s buffer; however, none of the data in the

buffer has been written to tape yet.

These commands also receive Good status.

4. After the tape is re-tensioned, the data associated with the first

two WRITE commands (WRITE 1 and WRITE 2) is transferred

from the buffer to tape.

May 1994 EXB-8205 and EXB-8505

(Standard and XL)

25-9

25 WRITE (0Ah)

1 2 ... 314 315 316 317 318 319 320 321 322 323 324 ... 445 446

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