Example- Improving the availability and the disaster recovery readiness of a service group through fire drills
A service group is a virtual container that contains all the hardware and software resources that are required to run the managed application. Service groups allow VCS to control all the hardware and software resources of the managed application as a single unit. When a failover occurs, resources do not fail over individually; the entire service group fails over. If more than one service group is on a system, a group can fail over without affecting the others.
In a datacenter environment, it is important to ensure the availability and the disaster recovery readiness of a service group. Readiness status is the measure of the ability of a service group to successfully failover in its intended or configured way. Readiness takes into account the status of the service group, the system, and the cluster.
Using InfoScale Operations Manager, you can monitor the following types of readiness:
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The high availability readiness that checks for:
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The ability of a service group to fail over to a system within the local cluster
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The ability of a stretch service group to fail over to a system at the local site
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The disaster recovery readiness that checks for:
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The ability of a global service group to fail over to a system in its target remote cluster at the remote site
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The ability of a service group in a stretch cluster to fail over to a system in the remote site
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The correctness of the replication for an application
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