Re: [Qemu-devel] iSCSI block driver support

[Stefan Hajnoczi]

On Fri, Feb 4, 2011 at 4:37 AM,  <address@hidden> wrote:
> The following patch adds a new block driver to QEMU/KVM for iSCSI.
> This utilizes the userspace client library for iscsi at 
> https://github.com/sahlberg/libiscsi and will link with this library if 
> available.
>
> This allows using iSCSI resources with QEMU/KVM without making them visible 
> to the underlying host. Which is very useful when having very large number of 
> iscsi devices, or when you for other reasons do not want to expose these 
> devicdes to others.
>
>
> I have used this patch and installed a RHEL6 system from an iscsi dvd onto a 
> iscsi disk. I have done extensive testing.
> Both normally and also running under valgrind (which is very slow)
>
> ./x86_64-softmmu/qemu-system-x86_64 -m 1024 --enable-kvm -cdrom 
> iscsi://127.0.0.1:3262/iqn.ronnie.test/2 -drive 
> if=virtio,file=iscsi://127.0.0.1:3262/iqn.ronnie.test/1 -boot c

I have successfully installed RHEL6 from IDE CD-ROM to an iSCSI LUN
and was able to boot from it.  Both --enable-io-thread and without
seem to work.

Stefan