Fast Format - Logical Sector Size Conversion - Seagate Exos Enterprise ST8000NM000A Product Manual

2.2.1

Fast Format - logical sector size conversion

n Drive supports either 512E or 4KN logical sector size formats
n SET SECTOR CONFIGURATION EXT (B2h) command (ACS-4 Standard) quickly converts between 512 and 4096 byte logical sector
size formats
n The selected sector size change occurs immediately upon command completion
n Default shipping format is 512E
Table 2 SET SECTOR CONFIGURATION EXT command inputs
Field
FEATURE
COUNT
LBA
DEVICE
COMMAND
n COMMAND CHECK field value is taken from the DESCRIPTOR CHECK field in the descriptor specified by the SECTOR
CONFIGURATION DESCRIPTOR INDEX field
n SECTOR CONFIGURATION DESCRIPTOR INDEX field specifies the Sector Configuration descriptor in the Set Sector
Configuration log page
Sector Configuration log (Log Address 2Fh)
The Sector Configuration log contains Sector Configuration descriptors. The Sector Configuration descriptors describe
sector configurations. The sector configuration is specified using the SET SECTOR CONFIGURATION EXT command.
Table 3 Sector Configuration descriptors page format (log page 00h)
Offset
0...15
16...31
... ... ...
112...127
128...511
Seagate Exos 7E8 SATA Product Manual, Rev. K
Description
COMMAND CHECK field
Bit Description
15 : 3 Reserved
2:0 SECTOR CONFIGURATION DESCRIPTOR INDEX field
Reserved
Bit Description
7 Obsolete
6 N/A
5 Obsolete
4 Transport Dependent
3:0 Reserved
7:0 B2h
Type Description
Bytes Sector Configuration descriptor 0
Bytes Sector Configuration descriptor 1
Bytes Sector Configuration descriptor 7
Bytes Reserved
8