<p>Yes, the support to from SCSI has been removed in recent versions of qemu.</p>
<p>You can try to attach the disk to sdb directly, then. (You may need to generate a template file with DISK=[ IMAGE=..., TARGET=sdb] if you are using the CLI), and let see if that solve the issue.</p>
<p>Cheers</p>
<p>Ruben</p>
<div class="gmail_quote">On Aug 1, 2012 9:03 AM, "Jan Benadik" <<a href="mailto:jan.benadik@atos.net">jan.benadik@atos.net</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

  
    
  
  <div text="#000000" bgcolor="#FFFFFF">
    Hi,<br>
    <br>
    thanks for reply, but if I change image to DEV_PREFIX=sd and
    template to TARGET=sd, the VM doesn't boot (see an attached picture)
    :-(<br>
    <br>
    Jan<br>
    <br>
    <div>Dňa <a href="tel:31.07.2012%2023" value="+13107201223" target="_blank">31.07.2012 23</a>:57, Ruben S. Montero
      wrote / napísal(a):<br>
    </div>
    <blockquote type="cite">
      
      Hi
      <div><br>
      </div>
      <div>Automatic device mapping, KVM and hot-plugging is a bit
        tricky. As you see from your log the VM behaves as a physical
        host, hotplugging is only supported for the SCSI bus.</div>
      <div><br>
      </div>
      <div>Now, OpenNebula automatically compute target per bus. If your
        VM template uses hd it will take hda for the first OS.  A
        hot-plugging operation  (target=sd) may collide with the first
        OS disk...</div>
      <div><br>
      </div>
      <div>Could you try to use DEV_PREFIX=sd for both the OS image and
        the attaching volume (target=sd + DEV_PREFIX=sd in the Image
        template or in the DISK attribute in the VM template).</div>
      <div><br>
      </div>
      <div>
        Cheers</div>
      <div><br>
      </div>
      <div>Ruben<br>
        <br>
        <div class="gmail_quote">On Mon, Jul 30, 2012 at 4:24 PM, Jan
          Benadik <span dir="ltr"><<a href="mailto:jan.benadik@atos.net" target="_blank">jan.benadik@atos.net</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div text="#000000" bgcolor="#FFFFFF"> Hi all,<br>
              <br>
              I have one running VM with W2008R2 Server and second VM
              with Linux in OpenNebula 3.6. <br>
              <br>
              I am able to attach volatile disk to Windows VM, in
              /var/log/one/oned.log is:<br>
              <small>Fri Jul 27 12:11:37 2012 [VMM][D]: Message
                received: LOG I 65 mkimage: Making filesystem of 500M
                and type ntfs at
                myto:/var/lib/one/datastores/0/65/disk.2<br>
                Fri Jul 27 12:11:37 2012 [VMM][D]: Message received: LOG
                I 65 ExitCode: 0<br>
                Fri Jul 27 12:11:37 2012 [VMM][D]: Message received: LOG
                I 65 Successfully execute transfer manager driver
                operation: tm_attach.<br>
                Fri Jul 27 12:11:38 2012 [VMM][D]: Message received: LOG
                I 65 ExitCode: 0<br>
                Fri Jul 27 12:11:38 2012 [VMM][D]: Message received: LOG
                I 65 Successfully execute virtualization driver
                operation: attach_disk.<br>
                <big><br>
                  I see that disk in sunstone interface
                  (screenshot1.png) and inside of running Windows VM too
                  (screenshot2.png).<br>
                  I'm able to do it with existing image too.<br>
                  <br>
                  BUT - If I try to do it the same way with Linux VM
                  (volatile disk / existing image), it crashed without
                  visible alert, in log there is:</big> <big><br>
                  If TARGET="sd"</big><br>
              </small>
              <pre>Mon Jul 30 18:11:20 2012 [VMM][I]: clone: Cloning ../../1/2d952692bba90bdb69d4c9f655f20a03 in one:/var/lib/one/datastores/0/21/disk.2
Mon Jul 30 18:11:20 2012 [VMM][I]: ExitCode: 0
Mon Jul 30 18:11:20 2012 [VMM][I]: Successfully execute transfer manager driver operation: tm_attach.
Mon Jul 30 18:11:20 2012 [VMM][I]: Command execution fail: /var/tmp/one/vmm/kvm/attach_disk one-21 /var/lib/one/datastores/0/21/disk.2 sda 0 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
 T48R1JPVV
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 RE9OTFk+P
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
 bQ0RBVEFb
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 NEQVRBW0N
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<span>Mon Jul 30 18:11:20 2012 [VMM][E]: attach_disk: Command "virsh --connect qemu:///system attach-device one-21 /var/lib/one/datastores/0/21/disk.2.attach" failed: error: Failed to attach device from /var/lib/one/datastores/0/21/disk.2.attach</span>
Mon Jul 30 18:11:20 2012 [VMM][I]: error: internal error No device with bus 'scsi' and target 'sda'
<span>Mon Jul 30 18:11:20 2012 [VMM][E]: Could not attach /var/lib/one/datastores/0/21/disk.2 (sda) to one-21</span>
Mon Jul 30 18:11:20 2012 [VMM][I]: ExitCode: 1
Mon Jul 30 18:11:20 2012 [VMM][I]: Failed to execute virtualization driver operation: attach_disk.
<span>Mon Jul 30 18:11:20 2012 [VMM][E]: Error attaching new VM Disk: Could not attach /var/lib/one/datastores/0/21/disk.2 (sda) to one-21</span>
Mon Jul 30 18:11:29 2012 [VMM][I]: ExitCode: 0
Mon Jul 30 18:11:29 2012 [VMM][D]: Monitor Information:</pre>
              <small><big>If TARGET="hd"</big></small><br>
              <pre>Mon Jul 30 18:13:53 2012 [VMM][I]: clone: Cloning ../../1/2d952692bba90bdb69d4c9f655f20a03 in one:/var/lib/one/datastores/0/21/disk.2
Mon Jul 30 18:13:53 2012 [VMM][I]: ExitCode: 0
Mon Jul 30 18:13:53 2012 [VMM][I]: Successfully execute transfer manager driver operation: tm_attach.
Mon Jul 30 18:13:54 2012 [VMM][I]: Command execution fail: /var/tmp/one/vmm/kvm/attach_disk one-21 /var/lib/one/datastores/0/21/disk.2 hdb 1 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
 T48R1JPVV
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 RE9OTFk+P
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
 bQ0RBVEFb
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
 9SS19VTkF
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
 T4= 21 on
e
<span>Mon Jul 30 18:13:54 2012 [VMM][E]: attach_disk: Command "virsh --connect qemu:///system attach-device one-21 /var/lib/one/datastores/0/21/disk.2.attach" failed: error: Failed to attach device from /var/lib/one/datastores/0/21/disk.2.attach</span>
Mon Jul 30 18:13:54 2012 [VMM][I]: error: internal error No device with bus 'ide' and target 'hdb'
<span>Mon Jul 30 18:13:54 2012 [VMM][E]: Could not attach /var/lib/one/datastores/0/21/disk.2 (hdb) to one-21</span>
Mon Jul 30 18:13:54 2012 [VMM][I]: ExitCode: 1
Mon Jul 30 18:13:54 2012 [VMM][I]: Failed to execute virtualization driver operation: attach_disk.
<span>Mon Jul 30 18:13:54 2012 [VMM][E]: Error attaching new VM Disk: Could not attach /var/lib/one/datastores/0/21/disk.2 (hdb) to one-21</span>
</pre>
              My typical question is - what I did wrong? :-)<span><font color="#888888"><br>
                  <br>
                  Jan<br>
                  <br>
                  <div>-- <br>
                    <font size="3" face="Verdana" color="black"> <img alt="" width="252" height="15"><br>
                      <b>Ján Beňadik</b><br>
                      <font face="Verdana"> Managed Services - Solution
                        Design Architect<br>
                        <a href="tel:%2B421%2046%205151%20332" value="+421465151332" target="_blank">+421 46
                          5151 332</a><br>
                        <a href="tel:%2B421%20903%20691%20634" value="+421903691634" target="_blank">+421 903
                          691 634</a><br>
                        <a href="mailto://jan.benadik@atos.net" target="_blank">jan.benadik@atos.net</a><br>
                        Vinohradnícka 6, 971 01 Prievidza<br>
                        <a href="http://www.sk.atos.net" target="_blank">www.sk.atos.net</a><br>
                        __________________________________<br>
                        <br>
                        <img alt="" width="261" height="58"><br>
                      </font> </font></div>
                </font></span></div>
            <br>
            _______________________________________________<br>
            Users mailing list<br>
            <a href="mailto:Users@lists.opennebula.org" target="_blank">Users@lists.opennebula.org</a><br>
            <a href="http://lists.opennebula.org/listinfo.cgi/users-opennebula.org" target="_blank">http://lists.opennebula.org/listinfo.cgi/users-opennebula.org</a><br>
            <br>
          </blockquote>
        </div>
        <br>
        <br clear="all">
        <div><br>
        </div>
        -- <br>
        Ruben S. Montero, PhD<br>
        Project co-Lead and Chief Architect<br>
        OpenNebula - The Open Source Solution for Data Center
        Virtualization<br>
        <a href="http://www.OpenNebula.org" target="_blank">www.OpenNebula.org</a> | <a href="mailto:rsmontero@opennebula.org" target="_blank">rsmontero@opennebula.org</a> | @OpenNebula<br>
      </div>
    </blockquote>
    <br>
    <div>-- <br>
      
      
      <font size="3" face="Verdana" color="black"> <img alt="" src="cid:part12.00000909.04090101@atos.net" width="252" height="15"><br>
        <b>Ján Beňadik</b><br>
        <font face="Verdana"> Managed Services - Solution
          Design Architect<br>
          <a href="tel:%2B421%2046%205151%20332" value="+421465151332" target="_blank">+421 46 5151 332</a><br>
          <a href="tel:%2B421%20903%20691%20634" value="+421903691634" target="_blank">+421 903 691 634</a><br>
          <a href="mailto://jan.benadik@atos.net" target="_blank">jan.benadik@atos.net</a><br>
          Vinohradnícka 6, 971 01 Prievidza<br>
          <a href="http://www.sk.atos.net" target="_blank">www.sk.atos.net</a><br>
          __________________________________<br>
          <br>
          <img alt="" src="cid:part15.00020102.02030700@atos.net" width="261" height="58"><br>
        </font> </font></div>
  </div>

</blockquote></div>