NEC Express5800/320Ma Guía de usuario Pagina 22

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How SAM Scans an Instance
2-8 Express5800/320Ma: Software Availability Manager
Figure 2-5 and Figure 2-6 diagram the flow of SAM instance scanning.
Figure 2-5. Scanning Diagram, Part 1
Scan
poll rate
expired?
Scan
Threshold
crossed?
From
violation to
normal?
Scan retry
enabled?
Issue an
alert
Scan retry
poll rate
expired?
RTN or
greater alert
severity
Decrement
Number of
scan retries
Number of
scan retries=0
Issue an
Alert
No
Ye s
No
Ye s
No
Ye s
No
Ye s
Issue RTN
message
RTN=Return To Normal
Ye s
Ye s
No
No
No
Ye s
Ye s
Service
starts
monitoring for
each instance
A
B
D
C
A
C
B
msft001
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