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Quantum 10K II User Manual

Page 149

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SCSI Description

5–82

Quantum Atlas 10K II Ultra160/m SCSI Hard Disk Drives

MODE SELECT (6) Command (15h) (continued)

5.14.3.9 XOR Control Mode Page (10h)

The XOR Control Mode Page provides the initiator with the means to obtain/modify
certain XOR operating parameters of the target.

Bit

Byte

7

6

5

4

3

2

1

0

0

PS

Rsvd

Page Code (10h)

1

Page Length (16h)

2

Reserved

XOR

Dis

Rsv’d

3

Reserved

4 – 7

Maximum XOR Write Size

8 – 11

(MSB)

Reserved

(LSB)

12 – 15

(MSB)

Maximum REGEN Size

(LSB)

16 – 19

(MSB)

Maximum REBUILD READ Size

(LSB)

20 – 21

(MSB)

Reserved

(LSB)

22 – 23

(MSB)

REBUILD Delay

(LSB)

NOTE: Fully supported fields are underlined. Ignored fields are not underlined.

Figure 5–35 XOR Control Mode Page

− Data Format