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Explanation of Fault Analysis
12 EMC Smarts Application Connectivity Manager User’s Guide
Mail Server Degraded
A Degraded problem indicates that the application is not performing as
expected. The application is responding to TCP requests, but not within the
expected time period.
To diagnose Mail Server Degraded in this scenario, Application Connectivity
Monitor observes SlowSymptom events in response to TCP checks sent to
SMTPService.
The analysis of Mail Server Degraded is independent of the analysis of other
applications running on host2.example.com.
Web Server Degraded
A Degraded problem indicates that the application is not performing as
expected. The application is responding to TCP requests, but not within the
expected time period.
To diagnose Web Server Degraded in this scenario, Application
Connectivity Monitor observes SlowSymptom events in response to TCP
checks sent to HTTPService.
Host Unresponsive
A Host Unresponsive problem indicates that a network or system problem is
affecting the system on which one or more managed applications are
running.
To diagnose Host Unresponsive in this scenario, Application Connectivity
Monitor must receive an UnresponsiveSymptom from IP Availability
Manager. Application Connectivity Monitor may also observe
TimedOutSymptom and SlowSymptom events for TCP connectivity checks
sent to HTTPService and SMTPService.
Figure 7 shows an Applications Map with two applications hosted by
host2.example.com. The icon representing host2.example.com is red,
indicating that this system is experiencing a problem. The status of the
applications running on host2.example.com are affected by this problem,
causing their icons to turn yellow.