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Re: [Qemu-devel] Re: NBD server for QEMU images
From: |
Mark Williamson |
Subject: |
Re: [Qemu-devel] Re: NBD server for QEMU images |
Date: |
Tue, 12 Dec 2006 17:45:29 +0000 |
User-agent: |
KMail/1.9.5 |
> > > It's mostly intended to be used for accessing the files inside QEMU
> > > disk images locally, without having to launch a virtual machine and
> > > accessing then from there.
> >
> > mount -o loop does this.
>
> How is everybody missing the point? :-) mount -o loop doesn't mount
> qcow images.
Using dm-userspace (a device mapper with mappings generated by a userspace
daemon instead of a kernel module) I believe it is possible to mount all
kinds of weird and wonderful things - including things like qcow.
The patches for dm-userspace are floating around, I think on the device mapper
and Xen developer's mailing lists.
Of course, this is a Linux-specific solution so an NBD server is probably
still useful (can other OSes mount NBD? I assume so...?).
In principle, you could use the NDB server to host storage for physical
machines too, right? For instance you could opt for a fairly "thin" setup
where all user disks are stored separately in qcow format to save space.
This might be nice for some users of centralised storage systems...
Cheers,
Mark
--
Dave: Just a question. What use is a unicyle with no seat? And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!
- Re: RE : Re: [Qemu-devel] Re: NBD server for QEMU images, (continued)
- Re: RE : Re: [Qemu-devel] Re: NBD server for QEMU images, Daniel Jacobowitz, 2006/12/12
- [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Salvador Fandino, 2006/12/12
- Re: [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Jan Marten Simons, 2006/12/13
- [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Salvador Fandino, 2006/12/13
- Re: [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Jim C. Brown, 2006/12/13
- [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Salvador Fandino, 2006/12/13
- Re: [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Jim C. Brown, 2006/12/13
- [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Salvador Fandino, 2006/12/14
- Re: [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Jim C. Brown, 2006/12/14
- [Qemu-devel] Re: RE : Re: Re: NBD server for QEMU images, Salvador Fandino, 2006/12/12
- Re: [Qemu-devel] Re: NBD server for QEMU images,
Mark Williamson <=
- Re: [Qemu-devel] Re: NBD server for QEMU images, Christian MICHON, 2006/12/12
[Qemu-devel] Re: NBD server for QEMU images, Anthony Liguori, 2006/12/12
- [Qemu-devel] Re: NBD server for QEMU images, Salvador Fandino, 2006/12/12
- [Qemu-devel] Re: NBD server for QEMU images, Anthony Liguori, 2006/12/12
- Re: [Qemu-devel] Re: NBD server for QEMU images, Mark Williamson, 2006/12/12
- Re: [Qemu-devel] Re: NBD server for QEMU images, Avi Kivity, 2006/12/13
- Re: [Qemu-devel] Re: NBD server for QEMU images, Martin Guy, 2006/12/13
- Re: [Qemu-devel] Re: NBD server for QEMU images, Avi Kivity, 2006/12/13
- [Qemu-devel] Re: NBD server for QEMU images, Salvador Fandino, 2006/12/13
- Re: [Qemu-devel] Re: NBD server for QEMU images, Avi Kivity, 2006/12/14