MDT2010新功能(12)——USMT 4.0硬链接支持
精选 翻译原帖地址:http://blogs.technet.com/mniehaus/archive/2009/07/01/mdt-2010-new-feature-12-usmt-4-0-hardlink-support.aspx
Version 4.0 of the User State Migration Tool will release with
Windows 7. The RC version of it is available in the Windows Automated
Installation Kit for Windows 7 RC (http://www.microsoft.com/downloads/details.aspx?FamilyID=60a07e71-0acb-453a-8035-d30ead27ef72&displaylang=en).
This has several new features, including one that MDT 2010 takes
advantage of: hard-link migration. If you are performing a Lite Touch
“refresh” deployment (backing up the user state, clearing the old OS,
installing a new OS, reinstalling apps, and restoring the user state),
this process can be made significantly faster using hard-link
migration, taking minutes instead of hours because it doesn’t actually
move any of the data. Instead, it just creates new links to the same
existing files in a protected folder (e.g. C:\MININT). When the old OS
cleanup process runs later, it deletes the original links but the files
remain because there is still another link in the protected folder.
USMT 4.0包含了几个新的功能,包括其中一个将会被MDT2010利用的:硬链接迁移。如果你在执行Refresh部署(备份原有用户状态,清除旧系统,安装新系统,重新安装程序,恢复用户数据),使用硬链接迁移将会使得这个进程大大加速,由以小时计算的过程变得以分钟进行计算。事实上,他仅仅是创建了已有的保护文件的新链接。当老OS清理时,删除了原有的链接,但文件依然保存,因为仍有链接保存在受保护的文件夹中
The
“estimate” process that is executed in the task sequence recognizes
that USMT 4.0 is present. When a refresh is being performed, it will
skip the estimate because it knows a hard-link migration can be
performed.
If you want to see this process in action, check out Jeremy’s video at http://edge.technet.com/Media/User-State-Migration-with-Windows-7/.
This
same process works with ConfigMgr 2007 Beta 2 as well, again with the
ZTIUserState estimate process automatically setting the right variables
to perform a hard-link migration. (We are investigating some issues
with this, so try it out in your lab to make sure you won’t run into
these.)
There are lots of other features in USMT 4.0 as well. See http://technet.microsoft.com/en-us/library/dd560752(WS.10).aspx for the full list.
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