[Xen-devel] RE: drdb support

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> 
> On Thu, 27 Jan 2011, Kamala Narasimhan wrote:
> > > - phy:/path/to/device
> > > - file:/path/to/file
> > > - tap:/path/to/file
> >
> > Along with phy, file and tap for block device types there appear to
be a
> 'drdb' option too.  Do we actively support it?  If so do we treat it
same as
> 'phy' and use blkback for backend?
> 
> Yes, I think so. Given his recent work on drdb support in qemu, maybe
> James can comment on this.
> 

Aside from the qemu problems I posted a patch for, drbd works great
under Windows. I haven't tested live migration (don't have a pair of
servers with compatible CPU's) so I don't know if that works. I also
don't allow multiple-primary as single-primary is the only locking
mechanism I have at this time to make sure the same DomU isn't started
on two machines concurrently.

James


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