<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi,<div><br></div><div>I use this one: scheduler_driver=cinder.scheduler.filter_scheduler.FilterScheduler</div><div><br></div><div>Thanks!</div><div><br><div><div><div>––––<br>Sébastien Han<br>Cloud Engineer<br><br>"Always give 100%. Unless you're giving blood."<br><br><br><br><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span><img height="38" width="200" id="c50844dc-d95f-42dc-88e3-58e2304e9755" apple-width="yes" apple-height="yes" src="cid:30579C49-4F06-4D82-87C1-C0E41DE85D60@enovance.com"></span><div class="" style="color: rgb(0, 0, 0); font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Arial; margin: 0px; min-height: 14px; "><br class="Apple-interchange-newline"><br class="Apple-interchange-newline"><br class="Apple-interchange-newline"><br class="Apple-interchange-newline"><br class="Apple-interchange-newline"><br class=""></div><div class="" style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Arial; font-size: 11px; margin: 0px; color: rgb(47, 89, 147); "><b class="">Phone : </b>+33 (0)1 49 70 99 72<span class="" style="color: rgb(84, 99, 114); "> – </span><b class="">Mobile : </b>+33 (0)6 52 84 44 70</div><div class="" style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Arial; font-size: 11px; margin: 0px; color: rgb(47, 89, 147); "><b class="">Email :</b> <a href="mailto:sebastien.han@enovance.com"><span class="" style="color: rgb(52, 0, 238); ">sebastien.han@enovance.com</span></a> <span class="" style="color: rgb(84, 99, 114); ">– </span><b class="">Skype : </b>han.sbastien</div><div class="" style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Arial; font-size: 11px; margin: 0px; color: rgb(47, 91, 148); "><span class="" style="color: rgb(47, 89, 147); "><b class="">Address :</b> </span>10, rue de la Victoire – 75009 Paris</div><div class="" style="font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-family: Arial; font-size: 11px; margin: 0px; color: rgb(47, 89, 147); "><span class="" style="color: rgb(47, 91, 148); "><b class="">Web : </b><a href="http://www.enovance.com/" class=""><span class="" style="color: rgb(52, 0, 238); ">www.enovance.com</span></a></span> <span class="" style="color: rgb(84, 99, 114); ">– </span><b class="">Twitter : </b>@enovance</div>
</span></div><br>On Jun 18, 2013, at 4:30 AM, Huang Zhiteng <<a href="mailto:winston.d@gmail.com">winston.d@gmail.com</a>> wrote:<br><br><blockquote type="cite">Hi Sebastien,<br><br>What scheduler are you using in Cinder?<br><br><br>On Mon, Jun 17, 2013 at 4:20 PM, Sebastien Han <<a href="mailto:sebastien.han@enovance.com">sebastien.han@enovance.com</a>> wrote:<br>Hi all,<br><br>Here the problem:<br><br>I have 2 Datacenters, 2 computes par DC, a SAN and the LUN is mapped on every compute nodes. So all the compute nodes share the same block device. I use the LVM iSCSI driver for Cinder and obviously the multi-backend. Thus I created AZ for cinder based on the location of the cinder-volume process (cinder-volume runs on every compute nodes), I have two AZ: DC1 and DC2. However when I try to create a volume I get most the volume on the first compute node of the specified location. Thus most of the iSCSI targets are created on the same node and I don't like this.<br><br>Little schema here http://www.asciiflow.com/#Draw7392320624318387463<br><br>My question is: can I tweak the scheduler to create volume in a round robin fashion, then I can have an even repartition of the targets.<br><br>Thanks in advance!<br><br>––––<br>Sébastien Han<br>Cloud Engineer<br><br>"Always give 100%. Unless you're giving blood."<br><br><br><br><span><image.png></span><br><br><br><br><br><br><br>Phone : +33 (0)1 49 70 99 72 – Mobile : +33 (0)6 52 84 44 70<br>Email : sebastien.han@enovance.com – Skype : han.sbastien<br>Address : 10, rue de la Victoire – 75009 Paris<br>Web : www.enovance.com – Twitter : @enovance<br><br><br>_______________________________________________<br>OpenStack-operators mailing list<br>OpenStack-operators@lists.openstack.org<br>http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators<br><br><br><br><br>-- <br>Regards<br>Huang Zhiteng<br></blockquote><br></div></div></div></body></html>