Hi,

On Wed, Feb 23, 2011 at 03:49:05PM +0000, Stallmann, Andreas wrote:
> Hi there!
> 
> ...
> > Please no-one try a loop-mounted image file on NFS ;-) Even though in 
> > theory it may work, if you mount -o sync ...
> > *Outch*
> ...
> > Does this help?
> > http://www.linux-ha.org/w/index.php?title=SBD_Fencing&diff=481&oldid=97
> 
> Yes, this helps... somehow. Well, I should use iSCSI to share
> my storage, right? And use an iSCSI-LUN to write the sbd on,
> right? Does the sbd-device have to be accessible to all the
> nodes at the same time? I mean: Do they all have to mount the
> sbd-device at the same time?

Yes, but there's no mount involved. sbd accesses the device
directly.

> And if the sbd resides on an
> iSCSCI-LUN which itself resides on a DRBD, and the
> communication crashes, won't that again destroy the effect of
> the poison pill?

If sbd cannot access the device, it is going to reboot the node
(itself), so no need for poison pill in that case.

> How about the Storage itself? We definetly have to use a
> different fencing approach there, right? (Or we have to give
> shared storage to our shared storage, which then again needs
> shared storage... ad infinitum).

Sorry, cannot parse this.

Thanks,

Dejan

> Thanks for your help so far.
> 
> Andreas
> 
> 
> 
> 
> --
> : Lars Ellenberg
> : LINBIT | Your Way to High Availability
> : DRBD/HA support and consulting http://www.linbit.com
> 
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