unable to pwd in ZFS snapshot

[Charles Sprickman]

On Sun, 26 Dec 2010, Daniel Braniss wrote:

>> On Sun, Dec 26, 2010 at 09:26:13AM +0200, Daniel Braniss wrote:
>>> this is still broken in 8.2-PRERELEASE, there seems to be a patch, but
>>> it's almost a year old.
>>> 	http://people.freebsd.org/~jh/patches/zfs-ctldir-vptocnp.diff
>>
>> Setting snapdir to visible should fix this right away:
>> # zfs set snapdir=visible tank/foo
>>
> it did indeed!
> any reason why this should not be the default behaviour?

Others mentioned "rsync" or "cp" (used recursively) might pick up these 
directories.  These are good reasons, especially if you've got a few 
hundred snapshots, which would not be uncommon when using ZFS on a host 
that's doing disk-based backups.

Other gotchas would be some of the periodic scripts - you don't want 
locate.updatedb traversing all that, or the setuid checks.  Also I know 
I'm prone to sometimes doing a brute-force "find" which can also dip into 
those hundreds of snapshot dirs.  In general, I think having the 
directories hidden is a good default.

Wouldn't be opposed to having the "pwd" issue fixed though...

Thanks,

Charles

> thanks,
> 	danny
>
>
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