Hi,
in the meantime I got the device and am working on a RA. I will need
permission to post it here, so no promises. The telnet access can't
manage the ports but there is a documented cgi-based interface.
For now, I am pretty happy with the device.
J.
On Fri, 2009-09-25 at 11:14 +0200, Johan Verrept wrote:
> Hi guys,
>
> When I looked into this yesterday , I found this device:
>
> http://www.aviosys.com/ip_power_9258hp.html
>
> At around 150 euro, it is pretty cheap. It is an independent device and
> will not do nifty things like server console access (like the IPMI
> cards) but it should work well for stonith purposes (over-featured,
> actually). There is an even cheaper version but for a cluster I kinda
> like the sound of "High grade components and extreme durability" ;).
> I also like that it is independently powered so if the PSU of a server
> fails, the stonith device will still work (and the cluster won't block).
>
> I have one ordered and will write an RA for it as soon as I get it. The
> device claims telnet access so it should not be hard to do.
>
> Regards,
>
> Johan
>
> PS: there are others too in this category of devices:
> http://www.server-rack-online.com/cw-2h2-c20.html for about the same
> price ($225), but with less power ports.
>
>
> On Thu, 2009-09-24 at 16:24 -0600, Remi Broemeling wrote:
> > Hi Mario -- I was just looking into this myself, today. I think the
> > lowest cost that you'll be able to find is an IPMI card for your
> > motherboard (as long as the motherboard in question supports it). To
> > find out you'll need to look into your specific model of motherboard
> > and see what is needed (or even if it is possible). IPMI cards aren't
> > foolproof and have their own problems; but it's better than nothing, I
> > would think.
> >
> > I think that your idea for fencing at the switch would be workable;
> > but how exactly to accomplish that would depend on the switch that you
> > were talking about; as the commands (and even if external ability to
> > do so is available) would be switch/manufacturer-dependent.
> >
> > Of course even lower cost (but even more problematic) is simply using
> > external/ssh to shutdown the server to be killed, as that should be
> > free.
> >
> > See here for more documentation on STONITH:
> > http://www.clusterlabs.org/mediawiki/images/f/f2/Crm_fencing.pdf
> >
> > Mario Giammarco wrote:
> > > Hello,
> > >
> > > Can you suggest me a list of stonith devices compatible with
> > > pacemaker?
> > >
> > > I need a low cost one.
> > >
> > > I have also another idea to build a low cost stonith device:
> > >
> > > I have intelligent switches. To stonith a node I can send to
> > > a switch the command
> > > to turn off all ethernet ports linked to the node to be fenced.
> > >
> > > So the node is powered on but it cannot do any harm because
> > > it is disconnected
> > > from network.
> > >
> > > Is it a good idea? How can I implement it?
> > >
> > > Thanks in advance for any help.
> > >
> > > Mario
> > >
> > --
> >
> > Remi Broemeling
> > Sr System Administrator
> >
> > Nexopia.com Inc.
> > direct: 780 444 1250 ext 435
> > email: r...@nexopia.com
> > fax: 780 487 0376
> >
> > www.nexopia.com
> >
> > I like you. You remind me of when I was young and stupid.
> > Things you would love to say at work but can't
> > _______________________________________________
> > Pacemaker mailing list
> > Pacemaker@oss.clusterlabs.org
> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>
>
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