Dell PowerVault TL4000 SCSI Reference Guide - Page 51

Field, descriptions, Event, Filter

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Bit 7 Byte 0 PS (1) 1 2 3 4 5 6 7 8 - 9 6 SPF (0) 5 4 3 2 Page Code (20h) Additional Page Length (08h) Reserved Reserved Reserved Reserved Reserved Event Type Filter Event Module Filter 1 0 Log Mode Seq Mode Field descriptions: PS: Parameters Savable. This field is set to one. The media changer can write this page to non-volatile memory. Seq Mode: This bit indicates the operational mode of the library. When set to 1, the library is in Sequential Mode. When set to 0, the library is in Random Mode. Note this mode can only be changed by means of the OCP or Web User interfaces. Log Mode: The Log Mode determines the selected behavior of the event log system. This mode can be set to the following different modes: Log Mode - Off - Continuous - Wait on first error Description Mode Logging is disabled 00h Logging has no stop condition. Only n 01h events can be traced back. Older events are lost. The first occurred error will lead to a 02h temporary stop of the library. Event Type Filter: The Event Type Filter field determines which event types will be stored in the event log. this field is an 8 bit mask. Every bit in this mask represents an event type. When a mask bit is set, all events with the subsequent event type will be stored in the event log. When a mask bit is cleared, the event data of the subsequent event type will be discarded. Event Type Cmd Response Event Trace Data Low Level Trace Customer Events Recovered Error Hard Error Mask Bit 01h 02h 04h 08h 10h 20h 40h 80h Chapter 3. Supported SCSI Commands 3-37

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Bit
7
6
5
4
3
2
1
0
Byte
0
PS
(1)
SPF
(0)
Page
Code
(20h)
1
Additional
Page
Length
(08h)
2
Reserved
3
Reserved
Log
Mode
4
Reserved
5
Reserved
Seq
Mode
6
Reserved
7
Event
Type
Filter
8
-
9
Event
Module
Filter
Field
descriptions:
PS:
Parameters
Savable.
This
field
is
set
to
one.
The
media
changer
can
write
this
page
to
non-volatile
memory.
Seq
Mode:
This
bit
indicates
the
operational
mode
of
the
library.
When
set
to
1,
the
library
is
in
Sequential
Mode.
When
set
to
0,
the
library
is
in
Random
Mode.
Note
this
mode
can
only
be
changed
by
means
of
the
OCP
or
Web
User
interfaces.
Log
Mode:
The
Log
Mode
determines
the
selected
behavior
of
the
event
log
system.
This
mode
can
be
set
to
the
following
different
modes:
Log
Mode
Description
Mode
-
Off
Logging
is
disabled
00h
-
Continuous
Logging
has
no
stop
condition.
Only
n
events
can
be
traced
back.
Older
events
are
lost.
01h
-
Wait
on
first
error
The
first
occurred
error
will
lead
to
a
temporary
stop
of
the
library.
02h
Event
Type
Filter:
The
Event
Type
Filter
field
determines
which
event
types
will
be
stored
in
the
event
log.
this
field
is
an
8
bit
mask.
Every
bit
in
this
mask
represents
an
event
type.
When
a
mask
bit
is
set,
all
events
with
the
subsequent
event
type
will
be
stored
in
the
event
log.
When
a
mask
bit
is
cleared,
the
event
data
of
the
subsequent
event
type
will
be
discarded.
Event
Type
Mask
Bit
Cmd
01h
Response
02h
Event
04h
Trace
Data
08h
Low
Level
Trace
10h
Customer
Events
20h
Recovered
Error
40h
Hard
Error
80h
Chapter
3.
Supported
SCSI
Commands
3-37