Glossary
Availability Availability refers to the amount of time an application is available to perform its function.
Availability challenges Challenges that relate to the uptime of the environment. These challenges could be due to hardware failure, environmental disaster, or many other factors. The key to availability is that you need to ensure that given the challenge, the system can take action to ensure proper recovery of the environment within recovery time and recovery point objectives.
Availability challenge solutions VMware HA, VMware FT, App Ha, VMware SRM, and vSphere Replication.
Clusters These provide logical aggregation of ESXi host resources that participate in services which require shared resources, such as high availability.
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