(B17)Virtualization part8 How to create VM in Hyper V, Generation 1 and 2 Difference
13 05 2022
How to create VM in Hyper-V
Generation 1
Generation 2
to install OS in VM ,
required - ISO image file
Network
Where to store VM -disk space
Memory requirement - available RAM
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Hyper-V VM type
Generation 1
-install 32bit OS or 64bit OS
-support all/any type of OS - windows, linux, unix...
-older and new versions OS
-BIOS support, BIOS based OS
--OS Source - Physical CD/DVD
ISO Image
Virtual Floppy Disk(.vfd)
Network-Based Installation -- WDS(windows Deployment service)
Install OS later
Generation 2
-Install 64bit OS only
-UEFI support
-UEFI based OS only
-Window 8,8.1,10
-Win 2012,2012R2,2016,2019..
--Linux - uefi based, x64 -- el7(centos7 , rhel 7)
--newer version support
--OS Source - ISO Image
Network-Based Installation -- WDS(windows Deployment service)
Install OS later
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Startup RAM - 1024MB for VM1
when i poweron VM1 - it takes 1GB(1024MB) from Host
Dynamic Memory/RAM
once VM1 running - it in use - 600MB only - vm1 take 600MB from host RAM
if load increase in VM1 and RAM required - 1.5GB then vm1 take 1.5GB from host RAM
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Live Migration -Hot Migration
Move VM from one Hyper-V Host to other Hyper-V Host without poweroff VM
*in vSphere - vMotion
Cold Migration - Export/Import
Export VM from one Hyper-v Host , import it into other hyper-v host
VM should poweroff
like backup - store VM in backup
copy or transfor vm from one host to other host
Geo-Replication:
Store or Transfor(replicate -- same copy) in different Geo graphical location
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