API: Incorrect session or participant duration

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Incorrect duration could have several causes, unsynchronized NTP servers is a known possibility.
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Incorrect duration could have several causes, unsynchronized NTP servers is a known possibility.  
The Cisco MediaSense publisher server uses two NTP servers to synchronize time. However, the time on these NTP servers may not be synchronized. As a result, Cisco MediaSense servers switch their times based on the currently-synchronized NTP server.
The Cisco MediaSense publisher server uses two NTP servers to synchronize time. However, the time on these NTP servers may not be synchronized. As a result, Cisco MediaSense servers switch their times based on the currently-synchronized NTP server.
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Release 8.5(1), Release 8.5(2), and Release 8.5(3).
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Release 8.5(1), Release 8.5(2), Release 8.5(3), and Release 8.5(4).
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Revision as of 19:38, 25 January 2012

Incorrect session or participant duration

Problem Summary Track, participant, or session duration is incorrect or negative (for example: "sessionDuration":-4776).
Error Message from /var/log/active/syslog/messages: 
Aug 23 02:51:05 pauems01 user 6 ilog_impl: Restarting NTP as time offset is -185.215622 msec.

Aug 23 02:51:07 pauems01 user 6 ilog_impl: NTP servers list: 10.192.254.11 10.192.254.1
Aug 23 02:51:07 pauems01 user 6 ilog_impl: ntpdate query response: server 10.192.254.11, \

stratum 1, '''offset -185.225332''', delay 0.04140 23





Aug 02:51:07 ntpdate[17992]: step time server 10.192.254.11 ''offset -185.225332 sec'' (rc=0).
Aug 23 02:51:07 pauems01 user 6 ilog_impl: ntpdate query response: server 10.192.254.1, \

stratum 2, '''offset 0.054938''', delay 0.02736 23





Aug 02:51:07 ntpdate[18001]: adjust time server 10.192.254.1 offset 0.054938 sec (rc=0).
Possible Cause

Incorrect duration could have several causes, unsynchronized NTP servers is a known possibility.

The Cisco MediaSense publisher server uses two NTP servers to synchronize time. However, the time on these NTP servers may not be synchronized. As a result, Cisco MediaSense servers switch their times based on the currently-synchronized NTP server.

Recommended Action

Verify that both NTP servers provide synchronized times.

Release

Release 8.5(1), Release 8.5(2), Release 8.5(3), and Release 8.5(4).

Associated CDETS #

None.

Rating: 0.0/5 (0 votes cast)

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