Re: [Users] Networking in Ovirt 3.1

16 May 2012

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On 05/15/2012 09:48 PM, Sigurður Björnsson wrote:
...
Good afternoon.
My name is Sigurdur Bjornsson and I'm a systems administrator at 
Nyherji in Iceland.
Let me begin by apologising for contacting you directly. I'm just not 
sure which mailing list
I should use for my question and your name popped up around the Ovirt 
network features design.
I have been playing around with Ovirt 3.0 / RHEV 3.0 and there are two 
things that are showstoppers
in my opinion. The first one is the fact that it's not possible to 
expand/grow virtual disks, just add new ones.
My second problem is that in our environment the IBM HS22V blade 
server is the preferred virtualization
platform. These servers have two network interfaces and I'm unable to 
configure them in a redundant way.
What I would like to do is to bond those interfaces together and put 
both the rhev management network
and my other VLANs on the same bond. It seems to me that the 
management network cannot coexist
with other networks on the same adapter. (Or not a bond at least).
eth0 --                  -- rhevm (tagged)
          |-- bond0 --|-- VLANX
eth1 --                  -- VLANY
Do you know if these problems are solved in Ovirt 3.1?
In case they are still present in 3.1, where could I create a request 
for enhancement?
I can't wait for the day when we can put RHEV in production... :o)
With thanks in advance,
Kær kveðja / Best Regards,
Sigurður Björnsson
Kerfisstjóri / Systems Administrator
RHCA, RHCE #804005208515565
siggib@nyherji.is - TF3SIG
Nýherji hf.
Borgartún 37, IS-105 Reykjavík, Iceland
Tel: (+354) 569 7700
www.nyherji.is
20 ára <http://www.nyherji.is>
Hi Sigurður

Thanks for dropping me that mail. about your issues:

1. Dynamically changing the disk size you requested is not supported, 
however you can chose to create your disk
as "thin provisioning" with a size bigger than what you currently need, 
say 80Gb. The amount of space that will be used is only 1Gb and it'll 
grow with your usage.

2. you network scenario is correct and we addressed just that in 3.1 and 
its called "setup networks" 
http://www.ovirt.org/wiki/Features/Design/Network .
you can get it working with the latest ovirt builds.

For further help - ovirt is an open source project and as one we run 
mailing lists for users,contributers, developers to have their questions 
and discussions. all getting attention.
Also we have a chat room where you can get immediate (almost :) ) 
response. all the details here - http://www.ovirt.org/project/community/

Hope this helps,
Roy

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    On 05/15/2012 09:48 PM, Sigurður Björnsson wrote:
    <blockquote
cite="mid:OF17E6FDF4.7B1755AB-ON002579FF.0057268F-002579FF.006716CE@nyherji.is"
      type="cite"><font face="sans-serif" size="2">Good afternoon.</font>
      <br>
      <br>
      <font face="sans-serif" size="2">My name is Sigurdur Bjornsson and
        I'm
        a systems administrator at Nyherji in Iceland.</font>
      <br>
      <font face="sans-serif" size="2">Let me begin by apologising for
        contacting
        you directly. I'm just not sure which mailing list </font>
      <br>
      <font face="sans-serif" size="2">I should use for my question and
        your
        name popped up around the Ovirt network features design.</font>
      <br>
      <br>
      <font face="sans-serif" size="2">I have been playing around with
        Ovirt
        3.0 / RHEV 3.0 and there are two things that are showstoppers </font>
      <br>
      <font face="sans-serif" size="2">in my opinion. The first one is
        the
        fact that it's not possible to expand/grow virtual disks, just
        add new
        ones.</font>
      <br>
      <br>
      <font face="sans-serif" size="2">My second problem is that in our
        environment
        the IBM HS22V blade server is the preferred virtualization </font>
      <br>
      <font face="sans-serif" size="2">platform. These servers have two
        network
        interfaces and I'm unable to configure them in a redundant way.</font>
      <br>
      <font face="sans-serif" size="2">What I would like to do is to
        bond those
        interfaces together and put both the rhev management network </font>
      <br>
      <font face="sans-serif" size="2">and my other VLANs on the same
        bond.
        It seems to me that the management network cannot coexist </font>
      <br>
      <font face="sans-serif" size="2">with other networks on the same
        adapter.
        (Or not a bond at least).</font>
      <br>
      <br>
      <font face="sans-serif" size="2">eth0 --        
                 -- rhevm (tagged)</font>
      <br>
      <font face="sans-serif" size="2">          |--
        bond0 --|-- VLANX</font>
      <br>
      <font face="sans-serif" size="2">eth1 --        
                 -- VLANY</font>
      <br>
      <br>
      <font face="sans-serif" size="2">Do you know if these problems are
        solved
        in Ovirt 3.1?</font>
      <br>
      <font face="sans-serif" size="2">In case they are still present in
        3.1,
        where could I create a request for enhancement?</font>
      <br>
      <font face="sans-serif" size="2">I can't wait for the day when we
        can
        put RHEV in production... :o)</font>
      <br>
      <br>
      <font face="sans-serif" size="2">With thanks in advance,</font>
      <br>
      <br>
      <font face="sans-serif" size="2">Kær kveðja / Best Regards,<br>
        Sigurður Björnsson<br>
        Kerfisstjóri / Systems Administrator<br>
        RHCA, RHCE #804005208515565<br>
        <a class="moz-txt-link-abbreviated" href="mailto:siggib@nyherji.is">siggib@nyherji.is</a> - TF3SIG<br>
        <br>
        Nýherji hf.<br>
        Borgartún 37, IS-105 Reykjavík, Iceland<br>
        Tel: (+354) 569 7700<br>
      </font><a moz-do-not-send="true" href="www.nyherji.is"><font
          face="sans-serif" size="2">www.nyherji.is</font></a>
      <br>
      <br>
      <a moz-do-not-send="true" href="http://www.nyherji.is"><img
          moz-do-not-send="true"
          src="http://frettir.skyggnir.is/20ara04.jpg" alt="20 ára"></a>
    </blockquote>
    <font face="sans-serif" size="2"><br>
      <br>
      Hi Sigurður<br>
      <br>
    </font>Thanks for dropping me that mail. about your issues:<br>
    <br>
    1. Dynamically changing the disk size you requested is not
    supported, however you can chose to create your disk<br>
    as "thin provisioning" with a size bigger than what you currently
    need, say 80Gb. The amount of space that will be used is only 1Gb
    and it'll grow with your usage.<br>
    <br>
    2. you network scenario is correct and we addressed just that in 3.1
    and its called "setup networks"
    <a class="moz-txt-link-freetext" href="http://www.ovirt.org/wiki/Features/Design/Network">http://www.ovirt.org/wiki/Features/Design/Network</a> .<br>
    you can get it working with the latest ovirt builds.<br>
    <br>
    For further help - ovirt is an open source project and as one we run
    mailing lists for users,contributers, developers to have their
    questions and discussions. all getting attention.<br>
    Also we have a chat room where you can get immediate (almost :) )
    response. all the details here -
    <a class="moz-txt-link-freetext" href="http://www.ovirt.org/project/community/">http://www.ovirt.org/project/community/</a><br>
    <br>
    Hope this helps,<br>
    Roy<br>
    <br>
    <br>
    <br>
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Roy Golan

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