[wpkg-users] WPKG and WOL (WAS: Re: Global max execution time hardcoded?)

Carlos R. Pasqualini pasqualinic at fcal.uner.edu.ar
Wed Apr 3 17:18:00 CEST 2013

El mié, 03-04-2013 a las 09:18 +0200, Nicolas BRICHE escribió:
> Hello,
> Stefan Pendl a écrit , Le 02/04/2013 18:34:
> >>
> >> You have instructed your users not to shutdown their box, but instead
> >> to logoff?
> > 
> > Yes, users are instructed to just log off to allow computer maintenance 
> > to run smoothly.
> We're in the middle of an internal review of our deployment practices, and we're
> considering going that way - asking our users to just log off.

we too!

> Since we're far from confident that they'll actually follow those instructions,
> we're also looking into a Wake-on-LAN fallback mechanism to access boxes that
> were shutdown either despite instructions, by power failure, put into automatic
> sleep, or otherwise (soooo many ways to put down a box...).
> When planning your instructions to your users, did you consider WOL?  Did you
> find any major drawbacks?  I wouldn't want to visit 200 BIOSes to enable WOL,
> only to find out there's a show-stopper somewhere down the line...

I'am considering something like it, but found a drawback:

Steps OK:
* enabled wol on a machine
* shut down (normally from windows).
* send magic packet
The machine starts ok..

Steps BAD:
* enabled wol
* cut power, restore power
* send magic packet
Nothing happens...

I was thinking on configure the PCs to power on after power fail, but
that will make a system to get powered on at any time, not only on the
maintenance window.

i think it would be good for ours, the sysadmins using wpkg, to share
thoughts on other ways of executing cscript and keeping users happy.

best regards

Carlos Pasqualini

Administración de Redes
Facultad de Ciencias de la Alimentación
Universidad Nacional de Entre Ríos

0345-423-1440 int 399

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