SPACE
7. ATAPI Packet Command Specification
SONY AIT-1 Turbo drive SDX-470V series Ver.1.0
7-73
Sense Data
Spacing Event
Detected
Valid Mark EOM
Sense
Key
ASC/ASCQ
Note
Blocks File-mark
1
1
0
No Sense
File-mark Detected
a,b
Set-mark
1
1
0
No Sense
Set-mark Detected
a,b,d
EOD
1
0 0 Blank
Check
b,e
BOT
1
0
1
No Sense
BOM/P Detected
b,f
Phy
EOT
1
0 1
Medium Error
EOM/P Detected
b,g
File-marks
Set-mark
1
1
0
No Sense
Set-mark Detected
a,b,d
EOD
1
0
0
Blank
Check b,e
BOT
1
0
1
No Sense
BOM/P Detected
b,f
Phy.EOT 1 0 1 Medium
Error EOM/P
Detected b,g
Set-marks EOD 1
0 0 Blank
Check
b,e
1
0
1
No Sense
BOM/P Detected
b,f
1
0
1
Medium Error
EOM/P Detected
b,g
EOD
BOT
0
0
1
No Sense
BOM/P Detected
c,f
Phy.EOT 0 0 1 Medium
Error EOM/P
Detected c,g
Note a:
The logical position is located on the EOM side of the mark if movement was in the forward direction and
on the BOM side of the mark if movement was in the reverse direction.
Note b:
The Information field is set to the difference (residue) between the requested count and the actual number
of blocks, file marks, Set-marks, or spaced over.
Note c:
The Information field will contain no residue count and therefore the Valid bit is not set.
Note d:
The drive will only report that a Set-mark has been detected while spacing over blocks or File marks, if it
has been configured through MODE SELECT to Report Set-marks. Otherwise, the drive will continue the space
operation and the presence of the Set-mark will be transparent to the Host.
Note e:
The tape is positioned such that a subsequent WRITE would append data after the last entity that has
been written to the tape before EOD.
Note f:
The tape is physically positioned at BOM/P.
Note g:
EOM is only reported when the physical EOM/P is encountered. The tape is physically positioned at
EOM/P.
