[OpenIndiana-discuss] zfs snapshot script

[Dan Swartzendruber]

Hmmm, well, what I've seen a couple of places (and have been using myself)
is rsyncd.conf on the OS box having a post-exec cmd that takes the
snapshot...

-----Original Message-----
From: Matt Connolly [mailto:matt.connolly.au at gmail.com] 
Sent: Sunday, May 01, 2011 9:46 AM
To: Discussion list for OpenIndiana
Subject: [OpenIndiana-discuss] zfs snapshot script

Hi all,

I'm putting together a script to create zfs snapshots after a backup has
been completed (via Apple TimeMachine or rsync for example). When I'm logged
into the machine, I can only access the "zfs snapshot" command as root via
"sudo" or "pfexec". Neither of these are available directly from a ssh
command. For example:

client$ ssh user at server
server$ sudo zfs snapshot blah at blah -> works
..or..
server$ pfexec zfs snapshot blah at blah -> works

..but..

client$ ssh user at host zfs snapshot blah -> fails = permission denied
client$ ssh user at host pfexec zfs snapshot blah -> fails = permission denied
client$ ssh user at host sudo zfs snapshot blah -> fails = sudo: no tty present
and no askpass program specified

What would be the best practice for creating a zfs snapshot based on an
external trigger (eg: message from client after a successful backup).


Regards,
Matt





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