<div>yes</div><div><includetail><div> </div><div> </div><div style="font:Verdana normal 14px;color:#000;"><div style="FONT-SIZE: 12px;FONT-FAMILY: Arial Narrow;padding:2px 0 2px 0;">------------------ Original ------------------</div><div style="FONT-SIZE: 12px;background:#efefef;padding:8px;"><div id="menu_sender"><b>From: </b> "Ivan Kolodyazhny"<e0ne@e0ne.info>;</div><div><b>Date: </b> Tue, Jul 17, 2018 05:00 PM</div><div><b>To: </b> "OpenStack Developmen"<openstack-dev@lists.openstack.org>; <wbr></div><div></div><div><b>Subject: </b> Re: [openstack-dev] [cinder] about block device driver</div></div><div> </div><div style="position:relative;"><div dir="ltr">Do you use the volumes on the same nodes where instances are located?</div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>Regards,<br>Ivan Kolodyazhny,<br><a href="http://blog.e0ne.info/" target="_blank">http://blog.e0ne.info/</a></div></div></div></div>
<br><div class="gmail_quote">On Tue, Jul 17, 2018 at 11:52 AM, Rambo <span dir="ltr"><<a href="mailto:lijie@unitedstack.com" target="_blank">lijie@unitedstack.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>yes,My cinder driver is LVM+LIO.I have upload the test result in appendix.Can you show me your test results?Thank you!</div><div><img src="cid:D7C81B68@5B350B78.B0B54D5B" style="width:1112px;height:256px"></div><div><br></div><div><u></u><div> </div><div> </div><div style="font:Verdana normal 14px;color:#000"><div style="FONT-SIZE:12px;FONT-FAMILY:Arial Narrow;padding:2px 0 2px 0">------------------ Original --<wbr>----------------</div><div style="FONT-SIZE:12px;background:#efefef;padding:8px"><div id="m_4452568008127881906menu_sender"><b>From: </b> "Ivan Kolodyazhny"<<a href="mailto:e0ne@e0ne.info" target="_blank">e0ne@e0ne.info</a>>;</div><div><b>Date: </b> Tue, Jul 17, 2018 04:09 PM</div><div><b>To: </b> "OpenStack Developmen"<<a href="mailto:openstack-dev@lists.openstack.org" target="_blank">openstack-dev@<wbr>lists.openstack.org</a>>; </div><div><div class="h5"><div></div><div><b>Subject: </b> Re: [openstack-dev] [cinder] about block device driver</div></div></div></div><div><div class="h5"><div> </div><div><div dir="ltr">Rambo,<div><br></div><div>Did you try to use LVM+LIO target driver? It shows pretty good performance comparing to BlockDeviceDriver,</div></div><div class="gmail_extra"><br clear="all"><div><div class="m_4452568008127881906gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>Regards,<br>Ivan Kolodyazhny,<br><a href="http://blog.e0ne.info/" target="_blank">http://blog.e0ne.info/</a></div></div></div></div>
<br><div class="gmail_quote">On Tue, Jul 17, 2018 at 10:24 AM, Rambo <span dir="ltr"><<a href="mailto:lijie@unitedstack.com" target="_blank">lijie@unitedstack.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="font-family:Verdana;font-size:14px;color:#000">Oh,the instances using Cinder perform intense I/O, thus iSCSI or LVM is not a viable option - benchmarked them several times, unsatisfactory results.Sometimes it's IOPS is twice as bad,could you show me your test data?Thank you!<div><br></div><div><br></div><div><br></div><div>Cheers,</div><div>Rambo</div><div style="font:Verdana normal 14px;color:#000;padding:8px 0px"><div> </div><div> </div><div style="FONT-SIZE:12px;FONT-FAMILY:Arial Narrow;padding:2px 0 2px 0">------------------ Original --<wbr>----------------</div><div style="FONT-SIZE:12px;background:#efefef;padding:8px"><span><div><b>From:</b> "Sean McGinnis"<u></u>; </div><div><b>Date:</b> 2018年7月16日(星期一) 晚上9:32</div></span><span><div><b>To:</b> "OpenStack Developmen"<u></u>; </div><div><b>Subject:</b> Re: [openstack-dev] [cinder] about block device driver</div></span></div><div> </div><div><div class="m_4452568008127881906h5">On Mon, Jul 16, 2018 at 01:32:26PM +0200, Gorka Eguileor wrote:<br>> On 16/07, Rambo wrote:<br>> > Well,in my opinion,the BlockDeviceDriver is more suitable than any other solution for data processing scenarios.Does the community will agree to merge the BlockDeviceDriver to the Cinder repository again if our company hold the maintainer and CI?<br>> ><br>> <br>> Hi,<br>> <br>> I'm sure the community will be happy to merge the driver back into the<br>> repository.<br>> <br><br>The other reason for its removal was its inability to meet the minimum feature<br>set required for Cinder drivers along with benchmarks showing the LVM and iSCSI<br>driver could be tweaked to have similar or better performance.<br><br>The other option would be to not use Cinder volumes so you just use local<br>storage on your compute nodes.<br><br>Readding the block device driver is not likely an option.<br><br>______________________________<wbr>______________________________<wbr>______________<br>OpenStack Development Mailing List (not for usage questions)<br>Unsubscribe: <a href="mailto:OpenStack-dev-request@lists.openstack.org" target="_blank">OpenStack-dev-request@lists.op<wbr>enstack.org</a>?subject:unsubscrib<wbr>e<br><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev" target="_blank">http://lists.openstack.org/cgi<wbr>-bin/mailman/listinfo/openstac<wbr>k-dev</a><br> </div></div></div></div><br>______________________________<wbr>______________________________<wbr>______________<br>
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