Table 5-190 extent descriptors-data format, Table 5-191 reservation types, Table 5-190 – Maxtor ATLAS 10K III User Manual

Page 221: Extent descriptors-data format -157, Table 5-191, Reservation types -157, Table 5-192, Table 5-193

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SCSI Description

Maxtor Atlas 10K III

5-157

Table 5-190

Extent Descriptors-Data Format

The Reservation Type field defines the type of reservation in effect for the extent
being reserved. Available types of reservations are shown in Table 5-191.

Table 5-191

Reservation Types

RelAdr is always 0: The Maxtor Atlas 10K III hard disk drive does not support relative
addressing.

If both the LongID and the Extent bits = 1, then the parameter list takes the format
shown in Table 5-192.

Table 5-192

Parameter List When LongID and Extent Bits = 1-Data Format

If the LongID bit = 1 and the Extent bit = 0, then the parameter list length is eight
and the parameter list has the format shown in Table 5-193.

Table 5-193

RESERVE (10) ID Only Parameter List-Data Format

$KV

$[VG

















0

Reserved

RelAdr

Reservation Type

1 - 3

(MSB)

Number of Blocks

(LSB)

4 - 7

(MSB)

Logical Block Address

(LSB)

4GUGTXCVKQP 6[RG

&GUETKRVKQP

00b

READ shared. No write operations are permitted by any initiator
to the reserved extent. Any initiator may read from the extent.

01b

WRITE exclusive. No other initiator may write to the indicated
extent. Any initiator may read from the extent.

10b

READ exclusive. While this reservation is active, no other initia-
tor may be permitted to read to the indicated extent.

11b

Exclusive access. While this reservation is active, no other initi-
ator is permitted any access to the reserved extent.

$KV

$[VG

















0 - 7

(MSB)

Third Party Device ID

(LSB)

8 - n

(MSB)

Extent Descriptors

(See Figure 5-91 Above)(LSB)

$KV

$[VG

















0 - 7

(MSB)

Third Party Device ID

(LSB)

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