Specifying uptime and downtime
With SLA monitoring configured, we can happily proceed with making sure our systems run smoothly; we do some maintenance during a properly-scheduled maintenance period, only to discover that our SLA level has dropped. Was sure downtime during maintenance periods would not be counted against the SLA monitoring? Wrong. Zabbix host and host group-level maintenance does not affect SLA monitoring. If something is down during such a maintenance, Zabbix still considers that as an unacceptable unavailability of the service.
Tip
Host and host group-level maintenance was discussed in Chapter 5, Managing Hosts, Users, and Permissions.
There is a way to avoid calculating SLA data for a specific period, though. Let's go to Configuration ...
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