An HA host keeps working yet can no longer hear its peers on the management network. A configurable response says whether to power off its VMs so they restart elsewhere.
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In the Ultra Transcenders books
Each book explains host isolation in context, with comparison tables and the common traps.
Terms in this definition
- management network
Carries traffic between an ESX host and vCenter, along with other management traffic. From the DCUI, Configure Management Network lets an administrator change its VLAN, addressing, name servers and NICs.
- Virtual machines
Infrastructure-as-a-service compute giving complete control of the operating system, making it a fit for lift-and-shift moves and for software relying on OS-level pieces like COM.