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    SubjectRe: Pe: [PATCH v5 1/3] virtio-scsi: first version
    Paolo Bonzini wrote:
    > James, will you include virtio-scsi in 3.4?

    The key arguments from my side for inclusion of virtio-scsi are:
    - Support for SCSI multipathing, which can optionally be done on the host
    operating system.
    - We can now use other SCSI(non-block) devices and make them accessible to
    the guest. For example we were able to virtualize a SCSI FCP tape using
    virtio-scsi. One of the biggest constraints of virtio-block is that it is
    limited to block devices, while virtio-scsi presents you with a more
    generic solution.

    So I consider virtio-scsi to be the cleaner approach to do virtualization
    of SCSI commands. This is supported by the fact that virtio-block has a
    maintenance problem and has to change its protocol from time to time to
    support new features introduced by a new version of the SCSI standard.

    So please consider including virtio-scsi into the mainline kernel tree.
    This is good and conceptually clean code, and it has proven to work very
    well in our internal testing.

    Mit freundlichen Grüßen / Kind regards

    Christian Hoff

    Student - Applied Computer Science

    IBM Deutschland

    Am Fichtenberg 1

    71083 Herrenberg


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