Shadow Copy with ZFS

Andrew Bartlett abartlet at
Wed Feb 7 05:27:20 GMT 2007

On Tue, 2007-02-06 at 21:45 -0600, Ed Plese wrote:
> I've been working on a VFS module for Samba that allows the shadow copy
> functionality to work better with Solaris and specifically ZFS snapshots.
> The current shadow_copy VFS module works but has the following
> limitations:
>  * Each ZFS snapshot in .zfs/snapshot must be symlinked to the root of
>    the share which complicates snapshot creation and deletion.
>  * Snapshots are not sorted by date in the Microsoft Shadow Copy Client
>    GUI.  The existing shadow_copy module shares this problem when using
>    certain filesystems.

> Is there any desire to have something like this merged into Samba?  If so,
> would it be better to go about adding this functionality by creating a
> more generalized module with customizable snapshot paths instead of a
> ZFS-specific module?

I think that's the right approach.  That should ensure that the module
remains maintained. 

Andrew Bartlett

Andrew Bartlett                      
Authentication Developer, Samba Team 
Samba Developer, Red Hat Inc.        
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