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Re: [Linux-cluster] linux-cluster



You don't seem to be reading what I am typing. Please go back over the various replies and read again what I said. Follow the links and read what they say.

And please don't reply only to me. Click "Reply All" and include the mailing list.

digimer

On 10/01/2012 02:11 AM, hitesh nayyar wrote:
Hi,

I have a constraint of using Linux on bare machine for my 2 desktop.

Is there not any way i can get use the agent  or perform clustering on
Virtual box or VM ware software.....

On Mon, Oct 1, 2012 at 11:19 AM, Digimer <lists alteeve ca
<mailto:lists alteeve ca>> wrote:

    Please keep replies on the mailing list. These question helps other
    in the future by being seachable in the archives.

    Xen and KVM are types of hypervisors, like virtualbox is, but they
    run on Linux hosts. To use them, you would need to install linux on
    the bare machine. This in turn requires a CPU that supports
    virtualization (which most CPUs made in the last few years do support).

    If you can install CentOS 6, you can use KVM which is what I recommend.

    digimer


    On 10/01/2012 01:26 AM, hitesh nayyar wrote:

        One more thing...till now i have used this setup:

        have Windows vista OS ---> Virtual Box---->Red Hat installed.

        If i download Xen or KVM can i use the same setup instead of
        Virtual Box?

        Windows vista OS ---->Xen or KVM ---->Red Hat installed

        BR//
        Hitesh

        On Mon, Oct 1, 2012 at 10:48 AM, hitesh nayyar
        <hitesh1907nayyar gmail com <mailto:hitesh1907nayyar gmail com>
        <mailto:hitesh1907nayyar __gmail com
        <mailto:hitesh1907nayyar gmail com>>> wrote:

             Hello Again,

             Can you please let me know what refers to KVM or Xen? I
        have never
             used this

             Thanks


             On Mon, Oct 1, 2012 at 10:44 AM, Digimer <lists alteeve ca
        <mailto:lists alteeve ca>
             <mailto:lists alteeve ca <mailto:lists alteeve ca>>> wrote:

                 First up, give this section a read. It will explain
        what fencing
                 does and why you're seeing what you are;

        https://alteeve.ca/w/2-Node_____Red_Hat_KVM_Cluster_Tutorial#____Concept.3B_Fencing
        <https://alteeve.ca/w/2-Node___Red_Hat_KVM_Cluster_Tutorial#__Concept.3B_Fencing>


        <https://alteeve.ca/w/2-Node___Red_Hat_KVM_Cluster_Tutorial#__Concept.3B_Fencing
        <https://alteeve.ca/w/2-Node_Red_Hat_KVM_Cluster_Tutorial#Concept.3B_Fencing>>

                 As for being virtualbox guests, you're in a bit of a
        spot as
                 there doesn't seem to be a native agent. Google shows
        this though;

        https://forums.virtualbox.org/____viewtopic.php?f=7&t=35372
        <https://forums.virtualbox.org/__viewtopic.php?f=7&t=35372>


        <https://forums.virtualbox.__org/viewtopic.php?f=7&t=35372
        <https://forums.virtualbox.org/viewtopic.php?f=7&t=35372>>

                 If you can switch to KVM or Xen, then you can use the
                 fence_virsh or fence_xvm agents.

                 cheers


                 On 10/01/2012 12:53 AM, hitesh nayyar wrote:

                     Hello,

                     I am not aware of fencing.Yes you are correct i
        have not
                     configured
                     anything related to fencing.

                     Can you please let me know as how can i
        proceed...Do i have
                     to purchase
                     some sort of hardware?

                     How can i implement Power Fencing?

                     I am using virtual box machines on my desktop in
        which linux are
                     installed and have been connected through swtich.


                     [root hitesh12 ~]# cat /etc/cluster/cluster.conf
                     <?xml version="1.0"?>
                     <cluster config_version="1" name="dhoni">
                               <clusternodes>
                                       <clusternode name="hitesh12"
        nodeid="1"/>
                                       <clusternode name="saanvi12"
        nodeid="2"/>
                               </clusternodes>
                               <cman expected_votes="1" two_node="1"/>
                               <fencedevices/>
                               <rm/>
                     </cluster>






                     On Mon, Oct 1, 2012 at 9:13 AM, Rajagopal Swaminathan
                     <raju rajsand gmail com
        <mailto:raju rajsand gmail com> <mailto:raju rajsand gmail com
        <mailto:raju rajsand gmail com>__>
                     <mailto:raju rajsand gmail com
        <mailto:raju rajsand gmail com>

                     <mailto:raju rajsand gmail com
        <mailto:raju rajsand gmail com>__>__>> wrote:

                          Greetings,

                          On Mon, Oct 1, 2012 at 8:46 AM, hitesh nayyar
                          <hitesh1907nayyar gmail com
        <mailto:hitesh1907nayyar gmail com>
                     <mailto:hitesh1907nayyar __gmail com
        <mailto:hitesh1907nayyar gmail com>>
                     <mailto:hitesh1907nayyar@
        <mailto:hitesh1907nayyar@>__gma__il.com <http://gmail.com>

                     <mailto:hitesh1907nayyar __gmail com
        <mailto:hitesh1907nayyar gmail com>>>> wrote:
                           >
                           > I have 2 Linux desktop and have following
        ip's and name:
                           >

                           >From what I can gather, This seems to be a
        desktop
                     class machines.
                          Hence they may not have IPMI/ILO etc.

                          I am 99.99% certain that fencing has not been
        configured.

                          I also doubt if it has external storage.

                          (I can identify as I tried my experiments with
        clusters
                     first time
                          with such desktop class machines)

                          The only solution for this is Power Fencing.

                          --
                          Regards,

                          Rajagopal

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                          Linux-cluster mailing list
        Linux-cluster redhat com <mailto:Linux-cluster redhat com>
        <mailto:Linux-cluster redhat __com
        <mailto:Linux-cluster redhat com>>
<mailto:Linux-cluster redhat <mailto:Linux-cluster redhat >____com
                     <mailto:Linux-cluster redhat __com
        <mailto:Linux-cluster redhat com>>>
        https://www.redhat.com/____mailman/listinfo/linux-cluster
        <https://www.redhat.com/__mailman/listinfo/linux-cluster>


        <https://www.redhat.com/__mailman/listinfo/linux-cluster
        <https://www.redhat.com/mailman/listinfo/linux-cluster>__>




                 --
                 Digimer
                 Papers and Projects: https://alteeve.ca
                 "Hydrogen is just a colourless, odorless gas which, if left
                 alone in sufficient quantities for long periods of
        time, begins
                 to think about itself."





    --
    Digimer
    Papers and Projects: https://alteeve.ca
    "Hydrogen is just a colourless, odorless gas which, if left alone in
    sufficient quantities for long periods of time, begins to think
    about itself."




--
Digimer
Papers and Projects: https://alteeve.ca
"Hydrogen is just a colourless, odorless gas which, if left alone in sufficient quantities for long periods of time, begins to think about itself."


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