[OpenIndiana-discuss] zfs snapshot script

Gregory Youngblood gregory at youngblood.me
Sun May 1 15:07:26 UTC 2011


Ugh. Vlingo keyboard has some strange autocorrections. Switched back to android keyboard. That should have said "that should do what you want." 

Sent from my Droid Incredible. 

Gregory Youngblood <gregory at youngblood.me> wrote:

>ssh -t host 'sudo.zfs snapshot. ..'
>
>That should do what you Jews. Sudo requires a tty that you don't get when running commands unless you include -t.
>
>Sent from my Droid Incredible. 
>
>Matt Connolly <matt.connolly.au at gmail.com> wrote:
>
>>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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