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On some agent server configurations, the following types of log messages may appear whenever the Uptime Infrastructure Monitor Monitoring Station attempts to contact the agent:

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Jun 25 19:19:20 server1 kernel: cdrom: open failed. 
Jun 25 19:24:19 server1 last message repeated 2 times
Jun 25 19:29:31 server1 last message repeated 2 times
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This issue is a symptom of potential configuration changes required on the agent server and not an Uptime Infrastructure Monitor agent problem. The most likely configuration change required is to filter cdrom devices from the /etc/lvm/lvm.conf file on the agent server.
For example, change:
From: filter = \[ "a/.*/" \]
To: filter = \[ "r|/dev/cd.*|", "r|/dev/dvd.*|", "a/.*/" \].
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