Adaptec RAID 2810SA Software Reference Manual page 209

The Size Column
The Size column displays the offset (in bytes) into the device and the
size of the partition or space (in bytes). In the example, the offset and
sizes for the first two disks are as follows:
For the 0:02:0 disk
The offset is 64.0 KB for the partition and 20.0 MB for the
unused space. The size is 20.0 MB for the partition and 29.0
MB for the unused space.
For the 0:03:0 disk
The offset is 64.0 KB and the size is 49.0 MB for the unused
space. (This disk has no partitions on it.)
The offset is 64.0 KB and the size is 49.0 MB for the unused
space. (This disk has no partitions on it.)
disk Commands
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