Dell PowerVault TL4000 SCSI Reference Guide - Page 71

Storage, Element, Status

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ED: An ED bit of one indicates the element is disabled. An ED bit value of zero indicates the element is enabled. Medium Type: The Medium Type field provides the type of medium currently present in the Media Transfer Element. The next table describes the values for the Medium Types. 0h 1h 2h 3h 4h 5h - 7h Unspecified Data Medium Cleaning Medium Diagnostics Medium WORM Medium Reserved Source Storage Element Address: This field provides the address of the last storage element from which the tape cartridge was moved (valid only if the SValid bit is 1). Primary Volume Tag Information: When VolTag in the CDB was set the media changer will return a 36 byte PVolTag Identifier. This identifier will contain the bar code label of the cartridge in the Medium Transport Element. Next table contains a list of the ASC and ASCQ values that will appear in the Additional Sense Code and Additional Sense Code Qualifier fields of the Medium Transport Element descriptor if the element is in an abnormal state. The Except field of an element descriptor indicates if an element is in an abnormal state. ASC 30h 30h 83h 83h ASCQ 03h 83h 00h 01h Description Action Cleaning cartridge The element contains a cleaning cartridge. Cleaning cartridge without bar code label The element contains a cleaning cartridge without a readable bar code label. Element not yet scanned The media changer has not scanned this element up to now. No bar code label The element contains a cartridge without a readable bar code label. Storage Element Status Page (02h) The Storage Element is the device that physically stores a cartridge in the library. The number of available Storage Elements depends on the library model. A Storage Element contains a cartridge when the Full bit is set. Bit 7 6 5 4 3 2 1 0 Byte Subheader 0 Element Type Code (2h = Storage Element) 1 PVolTag AVolTag Reserved 2 - 3 Storage Element Descriptor Length 4 Reserved 5 - 7 Byte Count of Descriptor Data Available Element Descriptor 8 - 9 Storage Element Address 10 Reserved Access Reserved Full Chapter 3. Supported SCSI Commands 3-57

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ED:
An
ED
bit
of
one
indicates
the
element
is
disabled.
An
ED
bit
value
of
zero
indicates
the
element
is
enabled.
Medium
Type:
The
Medium
Type
field
provides
the
type
of
medium
currently
present
in
the
Media
Transfer
Element.
The
next
table
describes
the
values
for
the
Medium
Types.
0h
Unspecified
1h
Data
Medium
2h
Cleaning
Medium
3h
Diagnostics
Medium
4h
WORM
Medium
5h
-
7h
Reserved
Source
Storage
Element
Address:
This
field
provides
the
address
of
the
last
storage
element
from
which
the
tape
cartridge
was
moved
(valid
only
if
the
SValid
bit
is
1).
Primary
Volume
Tag
Information:
When
VolTag
in
the
CDB
was
set
the
media
changer
will
return
a
36
byte
PVolTag
Identifier.
This
identifier
will
contain
the
bar
code
label
of
the
cartridge
in
the
Medium
Transport
Element.
Next
table
contains
a
list
of
the
ASC
and
ASCQ
values
that
will
appear
in
the
Additional
Sense
Code
and
Additional
Sense
Code
Qualifier
fields
of
the
Medium
Transport
Element
descriptor
if
the
element
is
in
an
abnormal
state.
The
Except
field
of
an
element
descriptor
indicates
if
an
element
is
in
an
abnormal
state.
ASC
ASCQ
Description
Action
30h
03h
Cleaning
cartridge
The
element
contains
a
cleaning
cartridge.
30h
83h
Cleaning
cartridge
without
bar
code
label
The
element
contains
a
cleaning
cartridge
without
a
readable
bar
code
label.
83h
00h
Element
not
yet
scanned
The
media
changer
has
not
scanned
this
element
up
to
now.
83h
01h
No
bar
code
label
The
element
contains
a
cartridge
without
a
readable
bar
code
label.
Storage
Element
Status
Page
(02h)
The
Storage
Element
is
the
device
that
physically
stores
a
cartridge
in
the
library.
The
number
of
available
Storage
Elements
depends
on
the
library
model.
A
Storage
Element
contains
a
cartridge
when
the
Full
bit
is
set.
Bit
7
6
5
4
3
2
1
0
Byte
Subheader
0
Element
Type
Code
(2h
=
Storage
Element)
1
PVolTag
AVolTag
Reserved
2
-
3
Storage
Element
Descriptor
Length
4
Reserved
5
-
7
Byte
Count
of
Descriptor
Data
Available
Element
Descriptor
8
-
9
Storage
Element
Address
10
Reserved
Access
Reserved
Full
Chapter
3.
Supported
SCSI
Commands
3-57