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M2000 Contents
M2000 HUAWEI Confidential Page1, Total1
Contents______________________________________________________________________
1 Network Monitoring Management ... 1
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Network Monitoring Management
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www.huawei.com
Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved.
Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved. Page1
z Upon completion of this course, you will be able to:
Master how to perform the network monitoring
Master how to perform fault management
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Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved. Page2
z M2000 Operator Guide
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1. Basic concept
2. Alarm processing
3. NE alarm Setting
4. System monitoring
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Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved. Page4
z Fault Alarm
It has the occurrence time and clearance time
z Event Alarm
It has the occurrence time but no clearance time
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z Critical
The device or resource may be no longer available. The fault must be
removed immediately.
z Major
The Quality of Service (QoS) of the device or resource decreases
greatly. Proper measures must be taken to recover the service.
z Minor
The QoS of the device or resource decreases slightly. Proper
measures must be taken or further observation need to be done to
avoid more severe faults.
z Warning
The QoS of the device or resource may be affected. Proper measures
must be taken.
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Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved. Page6
z All the alarms of the NEs are reported actively to the M2000.
z The alarms of most NEs are reported through port 6001.
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z There are four tables in the alarm database (fmdb) to store
the alarms:
Table of current faulty alarms: tbl_cur_alm
Table of History faulty alarms: tbl_his_alm
Event alarm table: tbl_event
Mask alarm table: tbl_mask_alm
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Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved. Page8
tbl_cur_alm tbl_his_alm tbl_event tbl_mask_alm
NE
abandonEvent alarmFault alarm
Alarm Correlation
AcknowIedged & Cleared
file fileAuto
displace
fmdb
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z If the alarm service is running, it checks whether the alarm
tables reaches their upper limit every 83 seconds (default
value).
Table tbl_cur_alm can hold a maximum of 100,000 alarms.
Table tbl_his_alm can hold a maximum of 2,000,000 alarms.
Table tbl_event can hold a maximum of 2,000,000 alarms.
Table tbl_mask_alm can hold a maximum of 200,000 alarms.
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When surpass the upper limit
Table tbl_cur_alm displaces 10,000 alarms forcibly to history table.
It displaces the earliest cleared and unacknowledged alarms in
priority according to the occurrence time of the alarms . If the
alarms are less than 10,000, it then displaces the earliest un-
cleared and unacknowledged alarms.
Table tbl_his_alm displaces the earliest 20% of the alarms to files
according to the occurrence time of the alarms and deletes them
from the table.
Table tbl_event displaces the earliest 20% of the alarms to files
according to the occurrence time of the alarms and deletes them
from the table.
Table tbl_mask_alm does not displace the alarms to the files. It
deletes the earliest 100,000 alarms from the table directly.
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z Components which can only receive fault alarms:
Alarm Board, Speaker, Topology
z Components which can receive both fault and event alarms
Alarm Box
Alarm message
Topo
Speaker
Alarm Board Alarm Box
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1. Basic concept
2. Alarm processing
3. NE alarm Setting
4. System monitoring
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tbl_cur_alm tbl_his_alm tbl_event tbl_mask_alm
Browse the latest 1000
alarms in real timeQuery Statistics
fmdb
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z Modify the alarm information and show some necessary
columns as required.
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z Includes Auto and Manual alarm synchronization
Auto alarm synchronization
All the alarms are auto synchronized when the NE is reconnected.
All the alarms are auto synchronized when the UMTS NE is
created, All the active alarms are auto synchronized when the G/C
NE is created.
Manual alarm synchronization
Only the active alarms, which are uncleared fault alarms, will be
synchronized.
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z Use the function to locate the NE that raises the alarm by
the alarm record.
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z Manually clear the alarms that cannot be recovered
automatically or that are confirmed to be cleared.
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NEM2000
Discard
Alarm Filter
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z Email
Transmitted through smtp Server.
z
SMS Transmitted through wireless Modem. The wireless modem
can be connected to the M2000 Server or the 2000 Client.
Transmitted through short message center.
Alarm messages
EmailEmailSMSSMS
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z Aim
To reduce the redundant alarms.
z Correlative alarms
Correlative alarms are alarms that have correlations between
one another. One is the root alarm that raises other alarms.
A fault may result in multiple alarms, the non-root alarms do
not help in the fault location or analysis.
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z Intermittent Alarms
If the interval between two clearance times of an alarm is less than set
period of the cleared alarm, the alarm is an intermittent alarm.
z Repeat Events
If the reporting times of an event is more than the set times in the set
period, the event is a repeat event.
z Simple/Advanced Correlation
the correlation of the repeat events is considered as simple correlation
alarms.
the correlation of the intermittent alarms is considered as simple
correlation alarms.
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z Understand the alarm interval T
Fault alarm
Event alarmT0 tT T
Generate Recover
T
0 tT T T
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z Two conditions
Alarm interval T
Unit: second
If the alarm interval is less than or equivalent to T, the first alarm will enter
the fault alarm current table or event alarm table. And the subsequent
alarms whose alarm intervals are less than or equivalent to T will be saved
to mask table or abandoned directly according to the correlation rules.
High frequency alarm threshold N Unit: times
If the system receives certain alarms (alarm intervals T and number of
alarms N ) of the NE continuously, the system will generate high
frequency alarms whose Equipment Serial Number is 0 and alarm level is
higher. For fault alarms, if the subsequent alarm interval of the alarms are
more than T, the high frequency alarm will clear.
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Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved. Page36
z Examples
The correlation configuration of the MSCe is as follows:
The fault alarm whose alarm level is Major is E1/T1 Loss of Signal(ID=1101)
The interval of the alarm is 10s.
The times of high frequency alarm is 10.
The alarms meeting the correlation are saved to the mask table.
t
1 2 3 4 5 6 7 8 9 10 11
0T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12
12
t1 t2
T13
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z Examples
Suppose T1 to T12 10 s, the M2000 will generate a
E1/T1 Loss of Signal alarm for MSCe at t1. The alarm level is
Critical and the alarm will clear at t2.
The first alarm is saved to fault alarm current table and the 2-12
alarms are saved to alarm mask table.
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1. Basic concept
2. Alarm processing
3. NE alarm Setting
4. System monitoring
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Alarm Setting of NE
z The following three functions is delivered to the NE
Alarm shielding
If the alarms are shielded at the NE, they will not be reported to
the LMT and M2000.
Support NEs with NBMML interfaces only.
Alarm level redefinition
Support NEs with NBMML interfaces only.
User defined alarm
Includes alarm definition and alarm binding.
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Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved. Page44
z Definition
User can define an NE alarm, bind it to a port of a cabinet, subrack, or slot of
the NE, and then connect an external device for environment monitoring. In
this way, when the device detects exceptions, the NE raises an alarm in real
time and reports the alarm to the M2000.
z Alarm definition
The attributes are stored in the M2000 database, user can query, add, modify
the attributes.
z Alarm binding
the binding relation is stored in NE. User can query, add, modify,
cancel the binding in M2000 client.
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z To define the corresponding relations between the user-
defined alarms and the signal input ports. When a signal
received through a port meets the alarm triggering
conditions, the NE reports an alarm to the M2000, and the
alarm is bound with a customized name and ID.
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1. Basic concept
2. Alarm processing
3. NE alarm Setting
4. System monitoring
Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved. Page49
z Set thresholds for the performance monitoring, hard disk
monitoring, database monitoring, and service monitoring.
When the threshold is reached, the M2000 raises an alarm.
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Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved. Page50
z To view the information on the operating system, memory
usage, and CPU usage of the M2000.
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z To view the total space and usage of the hard disk.
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Copyright 2011 Huawei Technologies Co., Ltd. All rights reserved. Page52
z To monitor the status of the M2000 server database to view
the information such as the database name, server name,
and database status.
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z To monitor the status of the M2000 server services to view
the information such as the service name and service status.
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z To monitor the status of the M2000 server processes to view the
information such as the process name, process ID, and number of
threads.
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z To monitor the status of the connection between M2000
server and NEs.
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z This course mainly discuss about the monitor management,
especially about the fault management. In this course, we
need to master some basic concept related to FM, and
master how to perform the FM.
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