Virtualization

Virtualization

1. Hypervisor

   • Allow many systems/OS to run on same physical hardware
   • Enable sharing of resources
   • Lead to file encapsulation
   • Lead to less downtime
   • Its the interface b/w multiple OS and bare hardware
   • Types
     • Bare metal
     • OS hosted type

2. ESXi 6.0

   • Bare metal Hypervisor. Controls CPU, Network and memory utilization
   • Architecture
     • Agentless Management System
     • Agentless CLI for maintenance and diagnostics
     • Virtual Machine Management Framework
   • Features
     • Can host 2048 Virtual Machines, 480 CPUs/host and 12 TB RAM/host

3. vCenter 6.0

   • vSphere management platform
   • Can manage 1000 hosts and 10000 VMs
   • Provides SDK access for solutions such as vRealize Automation etc.
   • Available for Windows and for server appliance
   • Provides much of vSphere feature set