Dell PowerVault TL4000 SCSI Reference Guide - Page 88

Volume, Parameter, structure

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Parameter List Length: The Parameter List Length field shall be zero when the Send Action Code is an undefine function. The Parameter List Length shall be set to the length of the Send Volume Tag Parameter structure. Send Volume Tag Parameter structure Bit 7 6 Byte 0 (MSB) 31 32 33 34 (MSB) 35 36 37 38 (MSB) 39 5 4 3 2 Volume Identification Template Reserved Minimum Volume Sequence Number Reserved Maximum Volume Sequence Number 1 0 (LSB) (LSB) (LSB) Field descriptions: Volume Identification Template: The Volume Identification Template field specifies a search template for translate functions and the value of the new volume identification information for other Send Volume Tag command functions. As a search template, this field may contain the wildcard characters ? and *. The ? shall match any single character. The * shall match any string of characters. When it appears in a template the remainder of the template at higher offsets in the field is not used. For assert, replace, or undefined functions, the wildcard characters may not be used. Minimum Volume Sequence Number: The Minimum Volume Sequence Number field specifies the new sequence number for the assert and replace functions. For a translate, this field specifies the least value in the volume sequence number field of the volume tag information that meets the search specification. Maximum Volume Sequence Number: The Maximum Volume Sequence Number field specifies the maximum number value in the volume sequence number field of the volume tag information that meets the search specification. This field is ignored for assert, replace, and undefine functions. 3-74 TL2000 and TL4000 SCSI Reference

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Parameter
List
Length:
The
Parameter
List
Length
field
shall
be
zero
when
the
Send
Action
Code
is
an
undefine
function.
The
Parameter
List
Length
shall
be
set
to
the
length
of
the
Send
Volume
Tag
Parameter
structure.
Send
Volume
Tag
Parameter
structure
Bit
7
6
5
4
3
2
1
0
Byte
0
(MSB)
Volume
Identification
Template
31
(LSB)
32
-
33
Reserved
34
(MSB)
Minimum
Volume
Sequence
Number
35
(LSB)
36
-
37
Reserved
38
(MSB)
Maximum
Volume
Sequence
Number
39
(LSB)
Field
descriptions:
Volume
Identification
Template:
The
Volume
Identification
Template
field
specifies
a
search
template
for
translate
functions
and
the
value
of
the
new
volume
identification
information
for
other
Send
Volume
Tag
command
functions.
As
a
search
template,
this
field
may
contain
the
wildcard
characters
?
and
*.
The
?
shall
match
any
single
character.
The
*
shall
match
any
string
of
characters.
When
it
appears
in
a
template
the
remainder
of
the
template
at
higher
offsets
in
the
field
is
not
used.
For
assert,
replace,
or
undefined
functions,
the
wildcard
characters
may
not
be
used.
Minimum
Volume
Sequence
Number:
The
Minimum
Volume
Sequence
Number
field
specifies
the
new
sequence
number
for
the
assert
and
replace
functions.
For
a
translate,
this
field
specifies
the
least
value
in
the
volume
sequence
number
field
of
the
volume
tag
information
that
meets
the
search
specification.
Maximum
Volume
Sequence
Number:
The
Maximum
Volume
Sequence
Number
field
specifies
the
maximum
number
value
in
the
volume
sequence
number
field
of
the
volume
tag
information
that
meets
the
search
specification.
This
field
is
ignored
for
assert,
replace,
and
undefine
functions.
3-74
TL2000
and
TL4000
SCSI
Reference