Comments on: Virtual Hard Disk Specification

By: - Cliff Davies

- Cliff Davies — Tue, 14 Feb 2012 01:15:49 +0000

[...] the difference between fixed and dynamic VHDs. I highly recommend reading Jeff Muir’s short article on the VHD format if you want a history lesson or refresher. The actual VHD specification (now “owned” by [...]

By: Bai,Dengfeng

Bai,Dengfeng — Thu, 08 Jul 2010 06:38:04 +0000

Thanks you very much, Jeff!

By: jeffreymuir

jeffreymuir — Thu, 08 Jul 2010 06:36:22 +0000

VHD is opposite typically Windows bit definitions. Bit 0 is the most significant bit. Check for 0×80.

By: Bai,Dengfeng

Bai,Dengfeng — Thu, 08 Jul 2010 06:23:56 +0000

For the bitmap of VHD, is bit 0 is the least significant bit or the most significant bit?
For example, I want to check the bitmap of sector 0, I need to check which bit? (& 0×01 or & 0×80)

By: Dynamic VHD Walkthrough « Citrix Blogger

Dynamic VHD Walkthrough « Citrix Blogger — Mon, 01 Dec 2008 14:00:44 +0000

[...] in support for VHD and will even allow a VHD to be booted. As has been said a few times, the VHD specification is public which means that essentially anyone is allowed to program to [...]

By: Blocks Versus Files « Citrix Blogger

Blocks Versus Files « Citrix Blogger — Tue, 11 Nov 2008 14:52:40 +0000

[...] file system (most of the time). Microsoft and Citrix use the VHD format for the VM files. The VHD specification is public knowledge since Microsoft has documented as of a couple of years ago. Given that there [...]