User Manual

SCSI Commands Reference Manual, Rev. J 390
www.seagate.com Parameters for direct access devices
5.3.8 Background Operation Control mode page (0Ah/06h)
The Background Operation Control mode page (see table 370) provides controls of device server background operation.
PS bit, SPF bit, PAGE CODE field, SUBPAGE CODE field, and PAGE LENGTH field
The parameters saveable (PS) bit, the subpage format (SPF) bit, the PAGE CODE field, the SUBPAGE CODE field, and the PAGE
LENGTH field are defined in 5.3.5.
BO_MODE field
The background operation mode (BO_MODE) field specifies how host initiated advanced background operations shall operate
during read operations or write operations as defined in table 371.
Table 370 Background Operation Control mode page
Bit
Byte
7 6 5 4 3 2 1 0
0 PS SPF (1b) PAGE CODE (0Ah)
1 SUBPAGE CODE (06h)
2
PAGE LENGTH (01FDh)
3
4 BO_MODE Reserved
5
Reserved. . .
n
Table 371 BO_MODE field
Code Description
00b
Host initiated advanced background operation shall be suspended during read operations and write operations
and resume advanced background operation when read operations and write operations are complete.
01b
Host initiated advanced background operation shall continue during read operations and write operations.
All others
Reserved