Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
272
18.49
VERIFY (32) - (7F/0A)
Table 254 VERIFY (32) - 7F/0A)
Byte
Bit
7
6
5
4
3
2
1
0
0
Command Code = 07Fh
1
VU = 0
Reserved = 0
FLAG
LINK
2-5
Reserved = 0
6
Reserved = 0
Group Number = 0
7
Additional CDB Length = 18h
8 - 9
Service Action = 000Ah
10
RDPROTECT DPO
RSVD
= 0
ByteChk Reserved=0
11
Reserved = 0
12 - 19
(MSB)
Logical Block Address
(LSB)
20 - 23
(MSB)
Expected Initial Logical Block Reference Tag
(LSB)
24 - 25
(MSB)
Expected Logical Block Application Tag
(LSB)
26 - 27
(MSB)
Logical Block Application Tag Mask
(LSB)
28 - 31
(MSB)
Verification Length
(LSB)
The VERIFY command requests that the verify the data written on the media. Each logical block includes user data
and may include protection information, based on the VPROTECT field and the drive format.
If the drive is formatted with type 2 protection (PROT_EN=1 and P_TYPE=001b in the READ CAPACITY (16)
parameter data), then this command will be processed normally. Any other protection types will result in Check
Condition status to be returned with sense key of Illegal Request and additional sense code of Invalid Command
Operation Code
The Expected Initial Logical Block Reference Tag field contains the value of the Logical Block Reference Tag field
expected in the protection information of the first logical block accessed by the command.
If the ATO bit is set to one in Mode Page 0Ah, the Logical Block Application Tag Mask field contains a value that is a
bit mask for enabling the checking of the Logical Block Application Tag field in the protection information for each