For reasons totally unknown to me (perhaps I missed some explenation somewhere, 
its possible) there seems to be forming a discussion through e-mail instead of 
these forums. I find this rather peculiar to be honost since I didn't use a 
webforum to be drawn into a mailinglist discussion. Especially if you keep in 
mind that when I try to reply to such an email I can only send my response to 
the author, mail to the list is rejected. So far for the "whining" about how I 
dislike the way this is going.

So, for the people like me who only want to read these forums, responses so far:

[i]You can mitigate this by creating more granular filesystems, e.g. a
filesystem per user homedir.  This has other advantages like per-user
quotas.[/i]

I do hope you're joking when you think its feasible to backup all those
filesystems on a single basis.
-----
[i]I haven't looked at zfs send/receive code but I guess it should be possible 
to add option to restore only selected files instead of full snapshot.[/i]

It should indeed but it is not. As the manuals also state:
http://docs.sun.com/app/docs/doc/819-5461/6n7ht6qsc?a=view.

In short: "Saving snapshots ? Use the zfs send and zfs receive commands to save 
and restore a ZFS snapshot. You can save incremental changes between snapshots, 
but you cannot restore files individually. You must restore the entire file 
system snapshot."

And IMO even worse: "When you restore an incremental file system snapshot, the 
most recent snapshot must first be rolled back. In addition, the destination 
file system must exist.".

I suddenly don't feel very safe with ZFS anymore to be honost.
-----

What can I say, I think that this is possibly the only drawback to using ZFS, 
however I also think it is a major drawback.
 
 
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