[Users] Fence-virt support

Eli Mesika emesika at redhat.com
Mon Nov 18 14:08:10 UTC 2013



----- Original Message -----
> From: "Sander Grendelman" <sander at grendelman.com>
> To: "Eli Mesika" <emesika at redhat.com>
> Cc: users at ovirt.org
> Sent: Monday, November 18, 2013 3:52:09 PM
> Subject: Re: [Users] Fence-virt support
> 
> It "kind of" worked.
> 
> I did an insert into the database to add an "xvm" fence mode.
> After that I had to first change the mode to ipmilan to get
> rid of a couple of mandatory fields. The setup also breaks
> when I try to edit a host.
> 
> The fence mechanism makes a couple of assumptions that
> don't work with fence-virtd:
> 
> - fence-virtd uses a keyfile, no username and password.

This is a real problem , we are not supporting currently other authentication methods

> - fence-virtd uses port=vmname to identify a VM
> 
> The gui has mandatory username and password fields and
> the standard port/sshport field only takes numeric values.

For that we have the options field , you could omit the port from the fence mapping and then add in the options "port=<value>"

> 
> Some of the problems I ran into are probably related to
> https://bugzilla.redhat.com/show_bug.cgi?id=1020344

This is actually related to another BZ
 https://bugzilla.redhat.com/show_bug.cgi?id=1014513 

> 
> On Mon, Nov 18, 2013 at 1:26 PM, Eli Mesika <emesika at redhat.com> wrote:
> >
> >
> > ----- Original Message -----
> >> From: "Itamar Heim" <iheim at redhat.com>
> >> To: "Sander Grendelman" <sander at grendelman.com>
> >> Cc: users at ovirt.org, "Eli Mesika" <emesika at redhat.com>
> >> Sent: Thursday, November 14, 2013 3:04:39 AM
> >> Subject: Re: [Users] Fence-virt support
> >>
> >> On 11/13/2013 04:27 PM, Sander Grendelman wrote:
> >> > I'm running an ovirt environment (two virt hosts and one engine host)
> >> > on libvirt/kvm on fedora 19. (nested KVM).
> >> >
> >> > I want to fence the virtualized virtualization hosts from the engine
> >> > host
> >> > (or their partner host) through libvirt. Fence-virt can do this.
> >> >
> >> > I know this is a bit of a niche case, but it's very useful for
> >> > testing/demo
> >> > purposes.
> >>
> >> you can just edit the configs to add it (may be overridden during
> >> upgrade):
> >> VdsFenceType, VdsFenceOptionMapping and VdsFenceOptionTypes
> >
> > Did that worked for you or do you need any further help?
> > Thanks
> > Eli
> >
> >>
> >> >
> >> > On Wed, Nov 13, 2013 at 8:33 PM, Itamar Heim <iheim at redhat.com> wrote:
> >> >> On 11/13/2013 07:47 AM, Sander Grendelman wrote:
> >> >>>
> >> >>> I'm currently building a ovirt test-environment using nested
> >> >>> virtualization on libvirt/kvm.
> >> >>>
> >> >>> For the most part this works great. However, I can't configure
> >> >>> fencing/power management
> >> >>> because only hardware BMC's/fencing devices are supported.
> >> >>>
> >> >>> Is this something that could/should be included in a future oVirt
> >> >>> version?
> >> >>> Or is there another option/workaround to test power management?
> >> >>> _______________________________________________
> >> >>> Users mailing list
> >> >>> Users at ovirt.org
> >> >>> http://lists.ovirt.org/mailman/listinfo/users
> >> >>>
> >> >>
> >> >> please elaborate a bit more on what's missing.
> >> >> what are you trying to fence and from where?
> >>
> >>
> 



More information about the Users mailing list