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USRM Technical Information 
 
78-4021139-01 Rev D 
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You can run this command from any directory by typing usrmbackup. We 
recommend that the resulting backup file be copied to a secure location in case of a 
catastrophic failure of the USRM hardware. 
usrmrestore 
This command causes the previously stored backup files to be re-installed onto the 
USRM. When using this script, you must specify the full path and filename. 
For example, the following command restores the filename 
SdvSrv01.25Sug2009.tar.bz2, which is stored in the root directory: 
usrmrestore /root/SdvSvr01.25Aug2009.tar.bz2
 
sdvlogtail 
For SDV Server, the forerunner of USRM, a script tool named sdvlogtail was 
developed to let you easily monitor the Event log in real time. A new script tool was 
developed for USRM named usrmlogtail, which is described below. 
To accommodate those users that are used to using sdvlogtail, a symbolic link was 
added that allows you to sdvlogtail <Enter> and monitor the Event log in real time. 
This symbolic link uses the usrmlogtail script tool. 
usrmlogtail 
This command tails the Event log file. It will continue to tail across files and/or days. 
To end the tail, type [Ctrl] c. You can run this command from any directory. 
Example: 
usrmlogtail - tails the entire EventLog file
 
usrmlogtail elete – tails the Eventlog for any line with “elete” in it
 
usrmlogtail elete
 
Tue Aug 25 16:55:15 EDT 2009
 
***********************
 
Tailing /opt/usrm/EventLog/25Aug2009_000000.txt ...
 
2009/08/25 16:54:47.437 
RmCmdExec,Cmd=DeleteSession,RID=172.16.6.4,Tid=1,SesId=001ec9bb7244/515
 
2009/08/25 16:54:47.459 
RmCmdSuccess,Cmd=DeleteSession,RID=172.16.6.4,SesId=001ec9bb7244/515,Tid=1
 
2009/08/25 16:55:07.786 
RmCmdExec,Cmd=DeleteSession,RID=172.16.4.8,Tid=1,SesId=001ec9bb7244/511
 
2009/08/25 16:55:07.790 
RmCmdSuccess,Cmd=DeleteSession,RID=172.16.4.8,SesId=001ec9bb7244/511,Tid=1
 
usrmstats 
This command gives statistics of channel changes and QAM operations. This script 
has options to specify a start and end time to narrow the results of the evaluation. 
When using this command, you must provide the full path to the log file to be 
evaluated.