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SCSI Description
Maxtor Atlas 10K III 5-157
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.
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.
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.
RESERVE (10) ID Only Parameter List-Data Format
0 Reserved RelAdr Reservation Type
1 - 3
(MSB)
Number of Blocks
(LSB)
4 - 7
(MSB)
Logical Block Address
(LSB)
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.
0 - 7
(MSB)
Third Party Device ID
(LSB)
8 - n
(MSB)
Extent Descriptors
(See Figure 5-91 Above)(LSB)
0 - 7
(MSB)
Third Party Device ID
(LSB)