RE: [Xen-API] xe vm-list on slave server hang after unplugging master server network cable

[Dave Scott <Dave.Scott@xxxxxxxxxxxxx>]

Hi Anthony,

Those are the right commands to use to manually specify a new master.

On the new master type:
  Xe pool-emergency-transition-to-master
On the slaves type:
  Xe pool-emergency-reset-master

Currently XCP doesn't have automatic master failover. There is an interface for 
talking to an external host-liveness / liveset / quorum - managing daemon. If 
that interface is implemented then automatic master failover would work. 
However that is quite a lot of work to get right.

Cheers,
Dave

> -----Original Message-----
> From: xen-api-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-api-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Anthony Xu
> Sent: 04 February 2010 00:47
> To: xen-api@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-API] xe vm-list on slave server hang after unplugging
> master server network cable
> 
> I found those commands,
> xe pool-emergen-cy-reset-master and xe
> pool-emergency-transition-to-master
> 
> will the pool select new master automatically after the original master
> can't be connected?
> 
> - Anthony
> 
> 
> On Wed, 2010-02-03 at 16:25 -0800, Anthony Xu wrote:
> > Is there any way to specify a new master manually?
> >
> >
> > Anthony
> >
> >
> >
> > On Wed, 2010-02-03 at 10:27 -0800, Anthony Xu wrote:
> > > I have a pool which only have two servers, I unplug master server
> > > network cable, and execute xe vm-list on slave server, it hangs.
> > >
> > > How long does it cost for slave server to take over control?
> > >
> > >
> > > - Anthony
> 
> 
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