Re: [Qemu-devel] [PATCH 1/3] Add args to -cdrom to define where is connected the cdrom

["andrzej zaborowski" <balrogg@gmail.com>]

On 29/10/2007, Daniel P. Berrange <berrange@redhat.com> wrote:
> On Mon, Oct 29, 2007 at 03:49:18PM +0100, andrzej zaborowski wrote:
> > On 29/10/2007, Daniel P. Berrange <berrange@redhat.com> wrote:
> > > On Sun, Oct 28, 2007 at 11:43:33PM +0100, Laurent.Vivier@bull.net wrote:
> > > > From: Laurent Vivier <vivierl@frecb07144.(none)>
> > > >
> > > > This patch allows to define where is connected the CDROM device (bus,
> > > > unit).
> > > > It extends the "-cdrom" syntax to add these paramaters:
> > > >
> > > >      -cdrom file[,if=type][,bus=n][,unit=m]
> > > >
> > > >  where "type" defines the interface (by default, "ide")
> > > >        "n" defines the bus number (by default 1)
> > > >        "m" defines the unit number (by default 0)
> > >
> > >
> > > Having a separately named arg just for CDROMs was always rather odd/unhelpful.
> > > I'd suggest that we leave all the -hda,hdb,hdc,-cdrom,-fda,-fdb etc unchanged
> > > and use the -disk for setting up all types of disks, floppys, cdroms, etc. It
> > > would just require one extra field for the -disk arg:
> >
> > Sounds logical and I thought this was the plan. I also wouldn't mind
> > having -sda, -sdb... following the intuitive naming based on linux
> > /dev, but IIRC there were some people on the list who didn't like this
> > idea. (I know /dev/sda doesn't have to be an SCSI disk on some recent
> > systems, but it's still the most intuitive name for most users).
>
> Adding more -sda arguments is just asking for trouble. On recent Fedora,
> even IDE disks will end up as /dev/sdNNN named devices. So what happens
> when you have -hda & -sda at same time.... pain & suffering is what
> happens :-) Avoiding device names as args by just using -disk is nicer

Apart from the -sda discussion (which I still think is the most
intuitive choice, as an alias), I don't think having IDE and SCSI
disks in one machine should be any concern?

Regards