Adaptec RAID 2810SA Software Reference Manual page 208

The following example shows space usage information for SCSI disk
device (0,2,0):
AAC0>disk show space (0,2,0)
Executing: disk show space (ID=2)
Scsi C:ID:L Usage
----------- ---------
0:02:0 Array
0:02:0 Free
The following sections provide more information on the columns
that the disk show space command displays.
The Scsi :ID:L Column
C
The Scsi C:ID:L column displays the SCSI channel number, the
device ID, and the device logical unit number for each disk on the
currently opened controller. (The display shows only one disk if you
specified a particular disk.)
In the first example, the command displays the SCSI channel
number, the device ID, and the device logical unit number for the six
disks on the open controller. In the second example, the command
displays information for the specified device (0:02:0).
The Usage Column
The Usage column displays the type of partition or some
characteristic related to disk space usage. Specifically, the command
can display the values listed in Table 7-6.
Table 7-6. Disk Usage Values
Value Meaning
Free This area is unused space on the disk. In the example, a
specific area is unused space on the 0:02:0 disk. This
unused space is typically referred to as
Array This partition is used as part of an array. In the example, a
partition on the 0:02:0 disk is used as part of an array.
Orphan This area was part of an array that could not be
configured.
Dead This area had an error and was declared dead.
Conflict This area is not configured because of a conflict.
Size
-------------
64.0KB: 20.0MB
20.0MB: 29.0MB
disk Commands
freespace
.
7-24