Dell PowerVault TL2000 User Manual
Page 72
Bit
7
6
5
4
3
2
1
0
Byte
11
Reserved
12
Additional
Sense
Code
13
Additional
Sense
Code
Qualifier
14
-
16
Reserved
17
SValid
Invert
Reserved
ED
Medium
Type
18
-
19
Source
Storage
Element
Address
20
-
55
Primary
Volume
Tag
Information
(field
omitted
if
PVolTag
=
0)
56
-
59
Reserved
(field
moved
up
if
Primary
Volume
Tag
Information
field
is
omitted)
Field
descriptions:
PVolTag:
Primary
Volume
Tag.
When
set
this
flag
indicates
valid
information
in
the
Primary
Volume
Tag
Information
field.
This
flag
will
be
set
when
the
VolTag
field
was
set
in
the
CDB.
AVolTag:
Alternate
Volume
Tag.
Always
set
to
0.
Storage
Element
Address:
This
field
provides
the
address
of
the
Storage
Element
of
this
changer
device
whose
status
is
reported
by
this
element
descriptor
block.
Access:
When
set
to
1
this
field
indicates
that
access
to
the
storage
element
by
a
medium
transport
element
is
allowed.
If
0,
indicates
access
to
the
storage
element
by
a
medium
transport
element
is
denied.
Except:
Exception.
An
exception
bit
of
0
indicates
the
element
is
in
a
normal
state.
If
this
bit
is
1,
information
on
the
abnormal
state
may
be
available
in
the
Additional
Sense
Code
and
Additional
Sense
Code
Qualifier
fields.
Full:
A
full
bit
value
of
one
indicates
that
the
storage
element
of
the
changer
device
contains
a
tape
cartridge.
A
value
of
0
indicates
the
storage
address
element
is
empty.
Additional
Sense
Code:
This
field
may
provide
specific
information
about
an
abnormal
storage
element
state.
Additional
Sense
Code
Qualifier:
This
field
may
provide
more
detail
about
an
abnormal
storage
element
state.
SValid:
Source
Valid.
When
set
to
1,
indicates
that
the
Source
Storage
Element
Address
field
and
the
Invert
bit
information
fields
are
valid.
When
0,
indicates
that
the
values
in
these
fields
are
not
valid.
Invert:
The
library
uses
singe
sided
media
and
does
not
support
inverting
of
the
media.
The
value
reported
for
this
field
is
0.
3-58
TL2000
and
TL4000
SCSI
Reference