User Manual

SCSI Commands Reference Manual, Rev. J 249
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
3.60 WRITE (10) command
The WRITE (10) command (see table 216) requests that the device server transfer the specified logical block(s) from the data-out
buffer and write them. Each logical block transferred includes user data and may include protection information, based on the
WRPROTECT field and the medium format. Each logical block written includes user data and, if the medium is formatted with
protection information enabled, protection information.
See the READ (10) command (see 3.16) for the definition of the DPO bit. See 2.2.3 for the definition of the LOGICAL BLOCK
ADDRESS field. See 2.2.8 and
SPC-5 for the definition of the GROUP NUMBER field.
The device server shall check the protection information transferred from the data-out buffer based on the WRPROTECT field as
described in table 217.
Table 216 WRITE (10) command
Bit
Byte
7 6 5 4 3 2 1 0
0
OPERATION CODE (2Ah)
1
WRPROTECT DPO FUA Reserved Obsolete Obsolete
2
(MSB)
LOGICAL BLOCK ADDRESS
. . .
5
(LSB)
6
Reserved GROUP NUMBER
7
(MSB)
TRANSFER LENGTH
8
(LSB)
9
CONTROL