Reassign Blocks Command (07 H ) - Seagate MEDALIST 1080SL Product Manual

Medalist 1080sl SCSI Product Manual, August 1995
A defect sector number of FFFFFFFF
track) is illegal.
Note. The initiator cannot use any previously defined C, G or D lists if
the Mode Select command has changed the sector size (block
length). For more information on the Mode Select command, see
Section 3.4.10.
The information in the following table is for each defect.
Bytes
7 6
0–2
3
4–7
3.4.5 Reassign Blocks command (07
When the drive receives the Reassign Blocks command, it reassigns
defective logical blocks to available spare sectors.
Note. ARRE and AWRE may perform automatic reassignments inde-
pendently of this command.
After sending the Reassign Blocks command, the initiator transfers a
defect list containing the logical block addresses to be reassigned. The
drive reassigns the logical blocks. The data contained in the logical
blocks may not be preserved.
The drive can repeatedly assign a logical block to multiple physical
addresses until there are no more spare locations available on the disc.
(which means reassign the entire
H
Bits
5 4 3 2
Cylinder number of defect
Head number of defect
Defect sector number
)
H
37
1 0