I'm using a program on Windows Server 2008 R2 x64 that requires NTFS alternate 
data streams. It's talking to a Samba 3.6.0 SMB2 share configured with 
streams_depot. The program has been running for over a month with no obvious 
problems, except that the filesystem has been accumulating "lost" directories. 
Apparently, at some point after the whole server crashed (both are VMs running 
on this server), the program can't seem to access any stream data. What could 
be causing this?

What could the program, which is the only user who has access to this ZFS 
filesystem, be doing that it causes Samba to generate "lost" directories? Could 
this have anything to do with the present situation?

The code for the streams module says it generates hashes from the "fsid," but 
it's not clear where this number comes from? The samba server is replicated to 
another server using ZFS send/receive and the filesystem and program were 
originally accessing the streams data from the original server and then at some 
point later were switched to using the replicated filesystem. However, that was 
weeks ago and there wasn't any problem until very recently.

Is there any way to debug what might be going on? Is there any easy way to test 
if the stream depot can retrieve streams?
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