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Internal
BSC6000Log Management
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Foreword
This lecture introduces the basic concepts about logmanagement of HUAWEI BSC6000, and describes in detailsabout the operation steps and methods of using LMT tomaintain BSC/BTS logs
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References
BSC6000 LMT User Guide
BSC6000 Site Maintenance Guide
BSC6000 GOMU Administration Guide
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Objectives
Upon completion of this course, you will be able to:
Understand basic concepts of log management
Get familiar with operation steps of maintaining BSC logs
Get familiar with operation steps of maintaining BTS logs
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Contents
Basic Concepts of Log Management
Maintain BSC Logs
Maintain BTS Logs
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Contents
Basic Concepts of Log Management
Maintain BSC Logs
Maintain BTS Logs
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Classification of Logs
Classification of logs: According to the content recorded inlog files, logs are divided into Running Log, Debug Log, andOperation Log
Debug Log : A debug log records the softwarestatus that cannot be observed during systemrunning, for example, object state migration andexceptional message records. R&D engineers cananalyze the debug log to locate problems and
understand the system running efficiency Debug logs include: Common/extended/unknown debug
log, BTS log, cell frequency point scanning log,LastWords, TC log, CHR log, and Dopra error log
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Classification of Logs
Running Log : A running log records the software runningstatus that can be observed, for example, system startingand system status changing. Through running logs, systemmaintenance engineers can understand the running status
of the systemOperation Log : An operation log records the commandinformation delivered by the user through the operation andmaintenance terminal so that maintenance engineers canmanage the operation and maintenance records of thesystem.
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Log Files
Generation of log filesThe system periodically accesses the log information in the buffer areaand records the log information in log files. Different types of logs havebuffer areas of different sizes
If logs in a buffer area occupy over 80% space of the buffer area, logmanagement will save the content in the buffer area into log files
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Naming Log Files
Naming log files: Log files are named in the format of YYMMDD_HHMMSS_NNNN.***log
YY, MM, DD, HH, MM, and SS respectively represent the year, month,
day, hour, minute, and second when a file is created
NNNN is a serial number of files that are created at the same time.The serial number starts from 0000
***log is the suffix of a file name. *** is the name of the folder where
the file is and represents the file type. For example the suffix of a
debug file is dbglog
Example: The first operation log that is created at 10:23:38 a.m. on 2005-09-18 is
named 20050918_102338_0000.oprlog
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Contents
Basic Concepts of Log Management
Maintain BSC Logs
Maintain BTS Logs
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Maintain BSC Logs
BSC logs: BSC logs are saved in the server of GOMU. Operatorsneed upload BSC logs into the local maintenance terminal or designated server so that the BSC logs can be obtained and queriedin future
The operations of maintain BSC logs include:
Query operation logs online
Upload BSC log files
Maintain CS CHR
Maintain PS CHRSet BSC log parameter
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Query Operation Logs Online
Operation steps: Choose BSC Maintenance > Maintain Logs >Query Operation Logs Online
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Upload BSC log files
Introduction: The function is used to upload the needed logfiles onto LMT, query the log file information in the GOMUdatabase, and forcefully save log files, so that operators canobtain related log files at any time
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Upload BSC log files
Operation steps: Choose BSC Maintenance > Maintain Logs >Upload BSC log files
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Maintain CS CHR
Introduction: The function is used to maintain and Call HistoryRecord (CHR) objects. If the filter conditions are set, relatedCHR files can be obtained
Operation steps: Choose BSC Maintenance > Maintain Logs >
Maintain CS CHR
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Maintain CS CHR
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Maintain CS CHR
Operation steps: Choose BSC Maintenance > Maintain Logs >Maintain CS CHR
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Maintain CS CHR
Track Level:
Info Level: It represents the records of normal call process
Error Level: It represents the records of general errors of call process
Assert Level: It represents the records of serious errors of call process
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Maintain PS CHR
Operation steps: Choose BSC Maintenance > Maintain Logs >Maintain PS CHR
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Maintain PS CHR
Operation steps: Choose BSC Maintenance > Maintain Logs >Maintain PS CHR
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Set BSC log parameter Introduction: The function is used to query and set the automatic
uploading parameters and file saving parameters of BSC logs so thatoperators can obtain the needed log files
Operation steps: Choose BSC Maintenance > Maintain Logs > Set BSC
log parameter
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Set BSC log parameter Total size of the log files: It means the
maximum space occupied by a type of
logs. The input value should be not
bigger than the following static
configured value: Running Log is 30M;
Operation Log is 30M; Debug Log is1000M
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Set BSC log parameter
Maximum size of the single log file: It should be not bigger thanthe total size of the type of log file
Maximum time span of the log file: It means the number of days for which a log is saved. In BSC6000, the parameter for
all types of logs ranges from 30 to 90
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Contents
Basic Concepts of Log Management
Maintain BSC Logs
Maintain BTS Logs
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BTS Work LogThe BSC6000 provides three ways to get BTS logs
Get BTS log to the GOMU
The BSC extracts BTS logs and saves them in the GOMU. You can obtainthese logs through FTP, and then these logs saved in the BTS are deleted
Get compressed BTS log
You can download the compressed BTS logs to the local PC and view them
Browsing BTS log
You can browse the BTS logs on the LMT
If BTS log are extracted to GOMU and then get from GOMU, logs in BTS will beautomatically deleted after being extracted. If other modes are used to get logs,logs remain in BTS after being obtained
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Get BTS Logs to GOMUOperation steps
Step 1: Choose Site Maintenance > Maintain Site > BTS Work Log
Step 2: Select Get BTS Log to GOMU, and then click OK
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Get BTS Log to GOMU
Operation steps
Step 3: Select sites in the All Sites area and move them tothe Selected Sites area, and then click Start
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Get BTS Compressed LogOperation steps
Step 1: In the BTS Work Log dialog box, select Get BTS CompressedLog, and then click OK. The Get BTS Compressed Log dialog box isdisplayed as follows
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Get BTS Compressed LogOperation steps
Step 2: Set Site Name and Time Limit, and then click Start. Thedownloading begins, as shown in the below dialog box
Step 3: After the downloading is complete, an information box isdisplayed, indicating the saving path of the compressed logs
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Browse BTS Log
Operation steps
Step 1: Select Browse BTS Log, and then click OK. TheBrowse BTS Log dialog box is displayed as follows
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Browsing BTS LogOperation steps
Step 2: In the Browse BTS Log dialog box, set parameters of Site andBoard, and then click Start to display BTS logs in the dialog box
Step 3: Click Stop to stop obtaining the BTS logs, or click Save tosave the logs
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Summary
The lecture introduces the following aspects about HUAWEIBSC6000:
Basic concepts about log management
Operations of maintaining BSC logs
Operations of maintaining BTS logs
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