Re: [ovirt-users] Ovirt GusterFS assistance

24 Mar 2015

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On 03/24/2015 12:13 PM, Jonathan Mathews wrote:
...
the gluster volume is raid 0 replicated over 3 nodes and yes you are 
correct when one server goes down the volume stays up, but the storage 
domain goes down and that is where I need to find a volume identity to 
mount it by in storage domain.
Aah..ok. Maybe the/"/////backupvolfile-server" mount option would help you?

[+ Allon] for storage domain issue.
...
On Mon, Mar 23, 2015 at 12:02 PM, Sahina Bose <sabose@redhat.com 
<mailto:sabose@redhat.com>> wrote:
What is the type of volume that you've created? Is it a replicate
    volume?
# gluster volume info - should give you this information
If you're replicating the volume across 3 nodes, even when one of
    the server goes down, your storage domain should still be UP.
thanks
    sahina
On 03/23/2015 02:10 PM, Jonathan Mathews wrote:
...
Hi I am trying to setup an Ovirt, Glusterfs, VM servers. I have
    followed examples on setting up Ovirt and they have helped me so
    far, but not the end point that I am looking for.
    The web sites are:
    http://community.redhat.com/blog/2014/10/up-and-running-with-ovirt-3-5/
    http://community.redhat.com/blog/2014/05/ovirt-3-4-glusterized/
    http://www.linuxplumbersconf.org/2012/wp-content/uploads/2012/09/2012-lpc-vi...
I am running 3 HP micro servers and 2 HP DL360 G5
    The 3 micro servers are my glusterfs storage and have been
    provisioned for virt storage.
    The 2 DL360 are my processing machines.
Now my 3 gluster hosts are in one cluster, the volume is in up
    status and has been provisioned for Virt Storage. But the problem
    is that my mount point is directed to one server, so when that
    server goes down, the volume storage domain goes down. I am not
    sure whether there is a way of mounting it by a "volume
    identity", so when a server goes down the storage domain stays up.
With my 2 processing hosts, I have them in one cluster, but I
    have not gotten any where with this, as I want the Virtual
    machines to use the gluster volume as storage but use the
    processing hosts hardware for processing power.
I would appreciate any assistance.
_______________________________________________
    Users mailing list
    Users@ovirt.org  <mailto:Users@ovirt.org>
    http://lists.ovirt.org/mailman/listinfo/users
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    <br>
    <div class="moz-cite-prefix">On 03/24/2015 12:13 PM, Jonathan
      Mathews wrote:<br>
    </div>
    <blockquote
cite="mid:CAKsKnsw5-Mdj-ZjhPtjvSfWLk3j6h1rrhMsxNOYsTNw=AxaOWQ@mail.gmail.com"
      type="cite">
      <div dir="ltr">
        <div>the gluster volume is raid 0 replicated over 3 nodes and
          yes you are correct when one server goes down the volume stays
          up, but the storage domain goes down and that is where I need
          to find a volume identity to mount it by in storage domain.<br>
        </div>
      </div>
    </blockquote>
    <br>
    Aah..ok. Maybe the<em> "</em><span class="st"><em></em><em></em></span>backupvolfile-server"
    mount option would help you?<br>
    <br>
    [+ Allon] for storage domain issue.<br>
    <br>
    <br>
    <blockquote
cite="mid:CAKsKnsw5-Mdj-ZjhPtjvSfWLk3j6h1rrhMsxNOYsTNw=AxaOWQ@mail.gmail.com"
      type="cite">
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Mon, Mar 23, 2015 at 12:02 PM,
          Sahina Bose <span dir="ltr"><<a moz-do-not-send="true"
              href="mailto:sabose@redhat.com" target="_blank">sabose@redhat.com</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div bgcolor="#FFFFFF" text="#000000"> What is the type of
              volume that you've created? Is it a replicate volume?<br>
              <br>
              # gluster volume info - should give you this information<br>
              <br>
              If you're replicating the volume across 3 nodes, even when
              one of the server goes down, your storage domain should
              still be UP.<br>
              <br>
              thanks<br>
              sahina
              <div>
                <div class="h5"><br>
                  <div>On 03/23/2015 02:10 PM, Jonathan Mathews wrote:<br>
                  </div>
                </div>
              </div>
              <blockquote type="cite">
                <div>
                  <div class="h5">
                    <div dir="ltr">
                      <div>
                        <div>
                          <div>
                            <div>
                              <div>
                                <div>
                                  <div>Hi I am trying to setup an Ovirt,
                                    Glusterfs, VM servers. I have
                                    followed examples on setting up
                                    Ovirt and they have helped me so
                                    far, but not the end point that I am
                                    looking for.<br>
                                  </div>
                                  The web sites are:<br>
                                  <a moz-do-not-send="true"
href="http://community.redhat.com/blog/2014/10/up-and-running-with-ovirt-3-5/"
                                    target="_blank">http://community.redhat.com/blog/2014/10/up-and-running-with-ovirt-3-5/</a><br>
                                  <a moz-do-not-send="true"
                                    href="http://community.redhat.com/blog/2014/05/ovirt-3-4-glusterized/"
                                    target="_blank">http://community.redhat.com/blog/2014/05/ovirt-3-4-glusterized/</a><br>
                                  <a moz-do-not-send="true"
href="http://www.linuxplumbersconf.org/2012/wp-content/uploads/2012/09/2012-lpc-vi..."
                                    target="_blank">http://www.linuxplumbersconf.org/2012/wp-content/uploads/2012/09/2012-lpc-virt-storage-virt-kvm-rao.pdf</a><br>
                                  <br>
                                </div>
                                I am running 3 HP micro servers and 2 HP
                                DL360 G5<br>
                              </div>
                              The 3 micro servers are my glusterfs
                              storage and have been provisioned for virt
                              storage.<br>
                            </div>
                            The 2 DL360 are my processing machines.<br>
                            <br>
                          </div>
                          Now my 3 gluster hosts are in one cluster, the
                          volume is in up status and has been
                          provisioned for Virt Storage. But the problem
                          is that my mount point is directed to one
                          server, so when that server goes down, the
                          volume storage domain goes down. I am not sure
                          whether there is a way of mounting it by a
                          "volume identity", so when a server goes down
                          the storage domain stays up.<br>
                          <br>
                        </div>
                        With my 2 processing hosts, I have them in one
                        cluster, but I have not gotten any where with
                        this, as I want the Virtual machines to use the
                        gluster volume as storage but use the processing
                        hosts hardware for processing power.  <br>
                        <br>
                      </div>
                      I would appreciate any assistance.<br>
                    </div>
                    <br>
                    <fieldset></fieldset>
                    <br>
                  </div>
                </div>
                <pre>_______________________________________________
Users mailing list
<a moz-do-not-send="true" href="mailto:Users@ovirt.org" target="_blank">Users@ovirt.org</a>
<a moz-do-not-send="true" href="http://lists.ovirt.org/mailman/listinfo/users" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a>
</pre>
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Sahina Bose

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