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Converting Red Hat and CentOS Linux physical server into VMware vSphere ESX servers is not an easy task as compare MS Windows. It is even more difficult is that you are an older version of Red Hat, such as 7.2 or Linux boxes with RAID.
I had successfully converted several unit of Red Hat 7.2. and software-attack Linux box for recent years. The process for P2V Migration requires some extra efforts and challenging career. You may face all sorts of issues for P2V migration, such as Kernel Panic or even worst is the Linux OS can not be booted up because no virtual hard disk is found.
Hot Cloning used VMware tools to use for the conversion project:
- VMware ESXi 4.0.0 or ESX 4.0.0
- VMware Converter Standalone 4.0.1
From experience this is the best tool to be using the P2V migration. I faced a lot of issue with ESX 4.1.x and a force to be reduced for the migration process. Worst case hot cloning is not working then the only methodological cold cloning process used Clonzilla will help you in most Linux Disto cloning. Let’s assume that you would perform the transfer completed without error. The next challenge is to get Red Hat or CentOS Linux to boot.
- You need to choose the right Disk Controller either BusLogic Parallel or LSI Logic Parallel VMware Image mode. This is an important process, otherwise Linux will never find real hardisk your.
- Boot from System Rescue and chroot to your / mnt / sysimage.
- Add the disk controller in /etc/modules.conf and remove any RAID configuration.
- Wages core and put grub
- Edit / etc / fstab and /etc/grub.conf to change all hda the SDA so that it can be attached properly when the system boots
- When the system boots properly, run Kudzu re-initialization
- install VMware tools
steps above all necessary steps to transfer physical servers to VMware vSphere ESX servers. There are however a lot of numbers and additional settings need to be made.
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Source by James Edward Lee