Re: [Xen-devel] tapdisk in debian 3.11 kernel

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2014-01-03 at 12:51 +0000, Stefano Stabellini wrote:
> On Fri, 3 Jan 2014, James Harper wrote:
> > > > and get rbd with ceph under hvm. Probably pv too but I can't seem to get
> > > > an 'xl console' working to check right now.
> > > 
> > > Nice! Please send the libxl patches to the list!
> > > 
> > > The reason why libxl has a specific list of supported formats is that we
> > > thought that a simple wildcard and external bash scripts without a clear
> > > calling convention were too fragile. Of course if RDB "just works", we
> > > should enable it in libxl.
> 
> Sorry, I realize now that the word "format" in my reply is wrong.  I
> should have written "targets", like iscsi and nfs, each of them can
> support multiple image formats like raw and qcow2.
> 
> 
> > It turns out that simply omitting the format altogether is sufficient, and 
> > probably preferable. Something like:
> > 
> > disk = [ 'rbd:prod/virt-zoneminder-root,,xvda1,rw,backendtype=qdisk' ]
[...]
> disk = [ 'rbd:prod/virt-zoneminder-root,raw,xvda1,rw,backendtype=qdisk' ]

raw is the default so these two are equivalent.

Ian.


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