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01 Oct 2016

How-to Virtualize Red Hat and CentOS Linux Physical Server Into VMware VSphere ESX Servers


Converting red-hat and CentOS Linux real host into VMware VSphere ESX computers is certainly not a simple task as compare to MS Windows. It is even harder is you have older version of red-hat such as for example 7.2 or Linux field with computer software raid.

I had successfully transformed several product of red-hat 7.2. and software-raid Linux field for past couple of years. The process of P2V migration needs some additional efforts and its particular difficult process. You might faced all sorts of issues after P2V migration such as for example Kernel Panic or even worst is the Linux OS cannot be booted up because no virtual hard disk is located.

Hot Cloning using VMware resources to be utilized the transformation task:

  • VMware ESXi 4.0.0 or ESX 4.0.0
  • VMware Converter Standalone 4.0.1

From knowledge this will be the most useful device to be utilized for P2V migration. We encountered a lot of issue using ESX 4.1.x and force to downgraded the migration process. Worst instance situation if hot cloning is certainly not working then your just strategy- cool cloning strategy using Clonzilla will help you in many associated with Linux-disto cloning. Let`s say you had perform the migration successfully completed without error. The following challenge is to get red-hat or CentOS Linux on top of that up.

  1. You have to pick the proper Disk operator either is BusLogic Parallel or LSI Logic Parallel from Vmware Image setting. This is important process, else your Linux will never discover your virtual hardisk.
  2. Boot from program Rescue and chroot towards /mnt/sysimage.
  3. Add in disk controller into /etc/modules.conf and remove any raid setting.
  4. Recompile kernel and Reinstall grub
  5. Edit the /etc/fstab and /etc/grub.conf to change most of the hda to sda such that it is attached properly whenever system boot
  6. Once system booted properly, operate Kudzu to re-initialization
  7. install vmware resources

The tips especially the required process for moving real host into VMware VSphere ESX computers. You can find but a lot of codes and extra setup has to be done.