Need brief explanation on new Drive Q: topic

Question

hi,
could somebody provide a quick explanation or a link  (before I will dive deep into the docs and theory) of new features/functions
of drive Q: sequencer and most interesting on client.
If possible compare with what was in 4.6
thx.
"When you hit a wrong note it's the next note that makes it good or bad". Miles Davis

Answer 1

In App-V 5, there is not such a virtual drive letter any longer. The most 'sensitive' item now is the 'Primary Virtual Application Directory' (or: PVAD), though that one existed in App-V 4 already. 
In contrast to v4, you won't find any 'PVAD' folder on the client, and you (perhaps) won't find any reference to it. When you look into an .appv file (you know that you can create a copy of that, rename it to .ZIP and open it read-only) you'll notice a 'root'
folder that contains the files that have been palced into the PVAD and perhaps a VFS folder that contains the files that were installed somewhere else.
On the client, you can find the extartcted content in the Package Installation Root (usually C:\Programdata\App-V\Guid\Guid\.. 
http://social.technet.microsoft.com/Forums/en-US/ca8194b0-bdda-4175-a23b-39d9fc815380/how-to-choose-appv-5-sequencing-primary-virtual-application-directory?forum=mdopappv, 
http://www.tmurgent.com/TMBlog/?p=1283
http://blogs.technet.com/b/gladiatormsft/archive/2014/05/24/app-v-5-on-sequencing-using-tokenized-paths-pvad-s-vfs-and-vfs-write-mode.aspx
http://packageology.com/2014/02/app-v-5-pvad-vfs-layering-bug/have
some more stuff to read on that (well, it's more like the old 'VFS or MNT' or 'to Q or not to Q' discussion that we had in 4.x.
Falko
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