[zfs-discuss] Build 119 CIFS / Unix File Permission Oddity

[Michael Sichler]

Background:
Have a test server running SECE Build 119 configured as a CIFS server in Domain 
Mode.  Build 119 was required because in our test environment we have a Windows 
2008 Domain and the DCs have SP2 installed.  I Joined the server to the domain, 
created a ZFS file system and shared it out.  All appears fine except.

Problem:
If the CIFS share is mounted from another OpenSolaris or other Unix system, one 
cannot redirect the output of a command to an existing file even though the 
user has ownership and full control of the file. 

Example:
   -bash-3.2# mount -F smbfs //TESTDOMAIN;u...@fileserver/scratch/ /mnt/tmp
   -bash-3.2# cd /mnt/tmp
   -bash-3.2# ls -1
   file1
   file2
   -bash-3.2# ls  file1
   -bash: file1: Permission denied  (Yet I am the owner of the file and I can 
delete the file)

I can append the file and delete the file, just not overwrite the file
   -bash-3.2# ls  file1 (Works)
   -bash-3.2# rm file1 (Works)

Also, from a Windows system I can overwrite the file with the following command 
at a command prompt:
P:\ dir  file1

Any thoughts would be greatly appreciated.
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[zfs-discuss] ZFS as a native cluster file system

[Michael Sichler]

I understand that ZFS in not a native cluster file system that permits 
concurrent access to multiple hosts as noted in the ZFS FAQs. In the FAQ it 
states that in the long term, it will be investigated.  ZFS is an excellent 
file system without the clustering feature, but if it had it, it would put it 
way over the top of any other file system.

Does anyone have an idea of when work may start on this?
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