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</o:shapelayout></xml><![endif]--></head><body lang=NL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'>Yaniv,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'>Thanks for your answers. Really appreciate this.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'>As most of the vm’s (70 vm’s of a total of 80) are not running, the risk of getting out of physical disk space is low. The vm’s are pre-installed from a template, installed with application software and will only be powered on when needed.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'>So most of the vm’s actually allocate no more than 5 GB of physical space (of a virtual size of 35GB). The actual used disk size of all vm’s is about 900GB, leaving 1900GB of free space of a total of 2800GB. The allocated disk space is around 3300GB, making an over allocation ratio of 125%. So in this special case ovirt will pause my vm’s if the ratio will exceed 125%, while still having plenty of physical disk space.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'>You mentioned that it is possible to change the value to a larger value, but I could not find how to do this?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'>Jan Bernard<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Arial Narrow","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Yaniv Dary [mailto:ydary@redhat.com] <br><b>Sent:</b> maandag 7 december 2015 12:53<br><b>To:</b> Jan Bernard Wevers<br><b>Cc:</b> users@ovirt.org<br><b>Subject:</b> Re: [ovirt-users] Storage over allocation ratio value larger than 125% will pause vms<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><div><div><div><div><pre><span style='font-family:"Arial","sans-serif"'>Yaniv Dary<o:p></o:p></span></pre><pre><span style='font-family:"Arial","sans-serif"'>Technical Product Manager<o:p></o:p></span></pre><pre><span style='font-family:"Arial","sans-serif"'>Red Hat Israel Ltd.<o:p></o:p></span></pre><pre><span style='font-family:"Arial","sans-serif"'>34 Jerusalem Road<o:p></o:p></span></pre><pre><span style='font-family:"Arial","sans-serif"'>Building A, 4th floor<o:p></o:p></span></pre><pre><span style='font-family:"Arial","sans-serif"'>Ra'anana, Israel 4350109<o:p></o:p></span></pre><pre><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></pre><pre><span style='font-family:"Arial","sans-serif"'>Tel : +972 (9) 7692306<o:p></o:p></span></pre><pre><span style='font-family:"Arial","sans-serif"'> 8272306<o:p></o:p></span></pre><pre><span style='font-family:"Arial","sans-serif"'>Email: <a href="mailto:ydary@redhat.com" target="_blank">ydary@redhat.com</a><o:p></o:p></span></pre><pre><span style='font-family:"Arial","sans-serif"'>IRC : ydary</span><o:p></o:p></pre></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Mon, Dec 7, 2015 at 12:38 AM, Jan Bernard Wevers <<a href="mailto:jan.bernard.wevers@group2000.com" target="_blank">jan.bernard.wevers@group2000.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal>I’m using ovirt 3.6 and an iscsi storage domain. Almost all vms are using<br>thin provisioning with a virtual size of 40GB and a typical physical size of<br>8 GB.<br>Now I’m facing the fact that ovirt is pausing my vms due to the following<br>event message:<br>(Example): “VM vm_01_16_centos6 has been paused due to no Storage space<br>error.”<br><br>When I look at the iscsi storage domain the over allocation ratio value is<br>about 127%, but of the 2799GB there is still more than 1500GB available.<br>My questions:<br>- Why ovirt is pausing the vms?<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>We have a minimal amount of 1G needed to do storage related actions.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><p class=MsoNormal>- Can I enlarge the over allocation ratio before ovirt is complaining about<br>storage space?<o:p></o:p></p></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>In 3.6 you can change this threshold pre storage, but I would recommend against this. <o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><p class=MsoNormal style='margin-bottom:12.0pt'><br><br>_______________________________________________<br>Users mailing list<br><a href="mailto:Users@ovirt.org">Users@ovirt.org</a><br><a href="http://lists.ovirt.org/mailman/listinfo/users" target="_blank">http://lists.ovirt.org/mailman/listinfo/users</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>