Dell PowerVault TL2000 SCSI Reference Guide - Page 49

Field, descriptions, Rotate, Member, Number, Transport, Element

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medium transport element is capable of media rotation. Byte 0 1 2 3 Bit 7 PS (0) 6 5 4 3 2 SPF (0) Page Code (1Eh) Additional Page Length (02h) Reserved Member Number in Transport Element Set (0) 1 0 Rotate (0) Field descriptions: PS: Parameter Saveable. This field is set to 0. The media changer cannot save this page to non-volatile memory. Rotate: Rotation of media is not an implemented feature, so the value returned for this field bit is 0. Member Number in Transport Element Set: This field indicates the specific medium transport element in the system to apply this descriptor to. The library has only one medium transport element, so the value returned for this field is 0. Device Capabilities page (1Fh) The Device Capabilities Page defines the characteristics of the element types used by this medium changer. The initiator may use this information to determine which functions are permitted for the Move Medium, Exchange Medium, Read Attribute, and Write Attribute commands. Bit 7 6 5 4 3 2 Byte 0 PS (0) SPF (0) Page Code (1Fh) 1 Additional Page Length (12h) Reserved DT I/E 2 (1) (1) 3 Reserved ACE MT→RA Reserved MT→DT MT→I/E 4 (0) (1) (1) ST→RA Reserved ST→DT ST→I/E 5 (0) (1) (1) I/E→RA Reserved I/E→DT I/E→I/E 6 (0) (1) (0) DT→RA Reserved DT→DT DT→I/E 7 (0) (1) (1) 8 - 11 Reserved MT→WA Reserved MT↔DT MT↔I/E 12 (0) (0) (0) ST→WA Reserved ST↔DT ST↔I/E 13 (0) (0) (0) 1 ST (1) VTRP MT→ST (1) ST→ST (1) I/E→ST (1) DT→ST (1) MT↔ST (0) ST↔ST (0) 0 MT (0) S2C MT→MT (0) ST→MT (0) I/E→MT (0) DT→MT (0) MT↔MT (0) ST↔ST (0) Chapter 3. Supported SCSI Commands 3-35

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medium
transport
element
is
capable
of
media
rotation.
Bit
7
6
5
4
3
2
1
0
Byte
0
PS
(0)
SPF
(0)
Page
Code
(1Eh)
1
Additional
Page
Length
(02h)
2
Reserved
Rotate
(0)
3
Member
Number
in
Transport
Element
Set
(0)
Field
descriptions:
PS:
Parameter
Saveable.
This
field
is
set
to
0.
The
media
changer
cannot
save
this
page
to
non-volatile
memory.
Rotate:
Rotation
of
media
is
not
an
implemented
feature,
so
the
value
returned
for
this
field
bit
is
0.
Member
Number
in
Transport
Element
Set:
This
field
indicates
the
specific
medium
transport
element
in
the
system
to
apply
this
descriptor
to.
The
library
has
only
one
medium
transport
element,
so
the
value
returned
for
this
field
is
0.
Device
Capabilities
page
(1Fh)
The
Device
Capabilities
Page
defines
the
characteristics
of
the
element
types
used
by
this
medium
changer.
The
initiator
may
use
this
information
to
determine
which
functions
are
permitted
for
the
Move
Medium,
Exchange
Medium,
Read
Attribute,
and
Write
Attribute
commands.
Bit
7
6
5
4
3
2
1
0
Byte
0
PS
(0)
SPF
(0)
Page
Code
(1Fh)
1
Additional
Page
Length
(12h)
2
Reserved
DT
I/E
ST
MT
(1)
(1)
(1)
(0)
3
Reserved
ACE
VTRP
S2C
4
MT
→
RA
Reserved
MT
→
DT
MT
→
I/E
MT
→
ST
MT
→
MT
(0)
(1)
(1)
(1)
(0)
5
ST
→
RA
Reserved
ST
→
DT
ST
→
I/E
ST
→
ST
ST
→
MT
(0)
(1)
(1)
(1)
(0)
6
I/E
→
RA
Reserved
I/E
→
DT
I/E
→
I/E
I/E
→
ST
I/E
→
MT
(0)
(1)
(0)
(1)
(0)
7
DT
→
RA
Reserved
DT
→
DT
DT
→
I/E
DT
→
ST
DT
→
MT
(0)
(1)
(1)
(1)
(0)
8
-
11
Reserved
12
MT
→
WA
Reserved
MT
↔
DT
MT
↔
I/E
MT
↔
ST
MT
↔
MT
(0)
(0)
(0)
(0)
(0)
13
ST
→
WA
Reserved
ST
↔
DT
ST
↔
I/E
ST
↔
ST
ST
↔
ST
(0)
(0)
(0)
(0)
(0)
Chapter
3.
Supported
SCSI
Commands
3-35