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Thread: Paravirtualization question

  1. #1
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    Default Paravirtualization question

    Exactly which packages do I need to install on a opensuse 11.1 guest to get the guest running in paravirtualized mode? Would of course be running on a Xen Host.

    any special configs?

  2. #2
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    Default Re: Paravirtualization question

    bump...nothing? ;-(

  3. #3

    Default Re: Paravirtualization question

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    It's only been twelve hours. Patience is a virtue.

    I do not know much about this as I only ever do paravirt from the start
    but I know you will at least need a new kernel and probably kernel
    modules. With OpenSUSE it may just b e that much but again I'm unsure.
    Every paravirt box I've setup has been done from scratch and has been
    great (and full virt the same, though typically a little slower). What
    are you starting with? For example you seem to imply you're currently
    doing full virtualization. If this is the case I believe you also must
    change the configuration files on the host so it knows that the VM is now
    paravirtualization. If you are, however, using another technology like
    VirtualBox, KVM/Qemu, or vmware, you will need to do a bit more to convert
    the guest over.

    Good luck.





    mejason69 wrote:
    > bump...nothing? ;-(
    >
    >

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  4. #4
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    Default Re: Paravirtualization question

    :-) seems longer than 12 hrs...

    I guess I should be more specific. Currently I am doing full and not paravirtualization. I do not mind having to reinstall the guest OS to be para I rather start over and do it right. I guess what I am asking is what needs to be done to enable paravirtualization. What hypervisor are you using and what have you done to get the para-V running?

    I-s there a Xen paravirtualization kernel available for opensuse 11.1? I see there are a bunch of vmware kernel modules in the virtualization repo, I do not think they provide paravirtualization, just the vmware tools.

  5. #5

    Default Re: Paravirtualization question

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    Ah, I see. That helps me a bit. On my system I had SLES 10 SP2 until I
    recently change them all (wiped/reinstalled) to SLES 11 (x86_64 in both
    cases). To create a new Xen VM I use the 'vm-install' command which
    prompts me about whether or not I want full virtualization or
    paravirtualization. On my SLES 11 x86_64 box the last option (29) is for
    an OpenSUSE 11 system which would probably work if I had an install source
    of some kind. This is, as I mentioned, for an OpenSUSE guest on a SLES
    host. I haven't done anything OpenSUSE-ish with Xen on the host side for
    a while so I can't tell you how it will work there though I imagine this
    should all be similar. As long as you are booted to the Xen kernel and
    you have a processor/motherboard that will support the native support you
    should be fine. I have the 'V' or 'VT' stuff required for this though I
    had to (and you would definitely need to as it is never turned on by
    default) enable this in my BIOS.

    Good luck.





    mejason69 wrote:
    > :-) seems longer than 12 hrs...
    >
    > I guess I should be more specific. Currently I am doing full and not
    > paravirtualization. I do not mind having to reinstall the guest OS to be
    > para I rather start over and do it right. I guess what I am asking is
    > what needs to be done to enable paravirtualization. What hypervisor are
    > you using and what have you done to get the para-V running?
    >
    > I-s there a Xen paravirtualization kernel available for opensuse 11.1?
    > I see there are a bunch of vmware kernel modules in the virtualization
    > repo, I do not think they provide paravirtualization, just the vmware
    > tools.
    >
    >

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  6. #6
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    Default Re: Paravirtualization question

    Install yast2-vm module and use it to configure the virtualization, wizards and all.

  7. #7
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    Default Re: Paravirtualization question

    Isn't that module for creating VMs?

    I'm asking about getting the guest to work in Paravirtualization mode. Really I'm just experimenting here, I have never really used a guest in Paravirtualization mode before. I want to do some benchmarking to see if its worth the effort vs hardware virtualization.

  8. #8
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    Default Re: Paravirtualization question

    Aah sorry, I had a sudden lapse in brain activity there and read your request wrong :-)

  9. #9
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    Default Re: Paravirtualization question

    Quote Originally Posted by Chrysantine View Post
    Aah sorry, I had a sudden lapse in brain activity there and read your request wrong :-)
    :-) no worries! Happens to the best of us.....

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