Dell PowerVault TL4000 SCSI Reference Guide - Page 34

Field, descriptions, Parameter, Length, Event, Source, module, Error, Event, Length, description

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Byte ... 13 + (n-1) (13 + n ... 96 Bit 7 (MSB) 6 5 4 3 2 1 Error Event data (n bytes) Error Event description (max. 80 ASCII characters) 0 (LSB) (LSB) Field descriptions: Parameter Code: The Parameter Code is a 2-byte value that uniquely identifies the error event structure the log. It ranges between 1 and 64. DU: Disable Update is set for any parameter that the Host cannot reset. DS: Disable Save. The media changer has no support for SP bit. Set to 1. TSD: Target shall determine save method. ETC: No threshold comparison TMC: No threshold supported LP: The List Parameter field is set to zero for parameters that are counters and set to one for parameters that are not counters. Parameter Length: The parameter length field specifies the length of the whole error event structure without the 4 byte header. Event Type: This field specifies the event type. Since this page only returns error events it is set to 80h, indicating Hard Error event. Source module ID of Error Event: This field specifies the ID of the source module which generated the error event. See Log Sense page 07h for detailed information about the possible source module IDs. Time of Event: This field records the time the error event took place. Length of Error Event data: This field specifies the length in number of bytes of the error event data field. Error Event data: This field returns specific information about the error event. Error Event description: This field describes the error event in ASCII text. The returned string is zero terminated. The maximum string length returned is 80 bytes. 3-20 TL2000 and TL4000 SCSI Reference

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Bit
7
6
5
4
3
2
1
0
Byte
...
Error
Event
data
(
n
bytes)
13
+
(
n
-1)
(LSB)
(13
+
n
(MSB)
...
Error
Event
description
(max.
80
ASCII
characters)
96
(LSB)
Field
descriptions:
Parameter
Code:
The
Parameter
Code
is
a
2-byte
value
that
uniquely
identifies
the
error
event
structure
the
log.
It
ranges
between
1
and
64.
DU:
Disable
Update
is
set
for
any
parameter
that
the
Host
cannot
reset.
DS:
Disable
Save.
The
media
changer
has
no
support
for
SP
bit.
Set
to
1.
TSD:
Target
shall
determine
save
method.
ETC:
No
threshold
comparison
TMC:
No
threshold
supported
LP:
The
List
Parameter
field
is
set
to
zero
for
parameters
that
are
counters
and
set
to
one
for
parameters
that
are
not
counters.
Parameter
Length:
The
parameter
length
field
specifies
the
length
of
the
whole
error
event
structure
without
the
4
byte
header.
Event
Type:
This
field
specifies
the
event
type.
Since
this
page
only
returns
error
events
it
is
set
to
80h,
indicating
Hard
Error
event.
Source
module
ID
of
Error
Event:
This
field
specifies
the
ID
of
the
source
module
which
generated
the
error
event.
See
Log
Sense
page
07h
for
detailed
information
about
the
possible
source
module
IDs.
Time
of
Event:
This
field
records
the
time
the
error
event
took
place.
Length
of
Error
Event
data:
This
field
specifies
the
length
in
number
of
bytes
of
the
error
event
data
field.
Error
Event
data:
This
field
returns
specific
information
about
the
error
event.
Error
Event
description:
This
field
describes
the
error
event
in
ASCII
text.
The
returned
string
is
zero
terminated.
The
maximum
string
length
returned
is
80
bytes.
3-20
TL2000
and
TL4000
SCSI
Reference