Today I ve been working for a client doing some restructuring of their servers. We ve been taking a number of servers that were on physical hardware and virtualising them. To do that I ve used ShadowProtect from Storagecraft. It s a wonderful product and one that I ve had for some years now. One of the cool things that I am using it for today is to take an image of a physical server down to a USB drive, then I m taking the USB drive to the new Hyper-V server and restoring the image into a virtualised environment. I setup the new Virtual Machine the way I wanted it with 4 CPU and 4GB of RAM and then booted the Virtual machine from the ShadowProtect CD. Booting was extremely slow and even moving around inside the environment was very slow too. Initially I didn t think much of it as I was also copying a large amount of data over to the Hyper-V machines hard drives, however when I started to restore a 40GB image from the USB drive, it told me that it was restoring at 1Mb/second and therefore it was going to take hours to restore Hmm very strange for this to happen. I had a thought and on a hunch, I reduce the number of CPU s in the Virtual machine to just 1. I booted up of the ShadowProtect CD and wow what a difference. The speed was at least 10 times faster now and the restore screamed through in record time.
Morale to the story don t try to get too far ahead of yourself.
I also found running ShadowProtect in the vista recovery environment also slow in HyperV, not so when running with XP/2003 mode which worked fine.
The same issue occured in Citrix Xenserver 5.0. I have logged a call with Storagecraft but yet to get a reply.
I also found running ShadowProtect in the vista recovery environment also slow in HyperV, not so when running with XP/2003 mode which worked fine.
The same issue occured in Citrix Xenserver 5.0. I have logged a call with Storagecraft but yet to get a reply.
Wayne,
I thought it was interesting to read your article while I was in fact in the same process virtualising a physical server. My process was a little different in that I was using VMWare to virtualise to ESXi. With this I could have gone down the same path as imaging and restoring into the virtual.
But I found a better way. Vmware Converter standalone, Installed this on the physical server and ran, converted direct to the ESXi server.
Anyway 60Gb and 40 mins later the physical server was virtualised. Saved imaging and restoring and moving USB Drives.
I also found running ShadowProtect in the vista recovery environment also slow in HyperV, not so when running with XP/2003 mode which worked fine.
The same issue occured in Citrix Xenserver 5.0. I have logged a call with Storagecraft but yet to get a reply.
I was also experiencing this with similar results when attempting to restore a Hyper-V VM (thank you Microsoft for your updates) and couldn’t understand why it was going so slow. Got on the phone with SC and we were able to narrow it down thanks to this post.
Hats off to you Wayne for you post as you saved me many hours of work that would have otherwise been spent watching the digital equivalent of paint dry.
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