[Qemu-devel] Re: trivial DNS issues

[Avi Kivity]

Cristi Magherusan wrote:
> On Mon, 2008-09-01 at 14:14 +0300, Avi Kivity wrote:
>   
> > Cristi Magherusan wrote:
> >     
> > > Those who have installed a local DNS server may need that stuff, but we
> > > can check every entries of resolv.conf and see if we can connect to
> > > their DNS server, and use in our VM the first one that could be reached.
> > >
> > >   
> > >       
> > The network maybe down when the VM is started, or the dns server may be 
> > down, or ...
> > Maybe we should forward the host's dns servers to the guest, replacing 
> > 127.0.0.1 by 10.0.2.2.
> >     
> Then we should forward them all, but the localhost one should be tested
> and skipped if unavailable.
>   

Why?  A local application will have exactly the same problems with a 
broken dns server on localhost, as a virtual machine with that address 
forwarded.  And if the the dns server is later fixed, both the local 
application and the guest will recover.

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