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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>BTW, the presentation of the user survey results was made at the summit last week. While the presentation will be made available through the summit web site, for those who would like to see the results before can go to <a href="http://www.slideshare.net/noggin143/havana-survey-resultsfinal-19903492">http://www.slideshare.net/noggin143/havana-survey-resultsfinal-19903492</a> for the consolidated results from the user committee and foundation.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>The user survey remains open and we are still collecting useful data from users and deployments so you’re welcome to fill out the details at </span><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><a href="https://www.openstack.org/user-survey">https://www.openstack.org/user-survey</a> if there are deployments and user input which has not yet been received.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>We will be writing up a more complete blog of the results since the conference time slot was limited.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>Note: all results are aggregated. The user committee has signed non-disclosure agreements so that sites who do not wish their individual details to be made public can still contribute to the community understanding and this input is highly appreciated in confidence.</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>Tim<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> Tim Bell <br><b>Sent:</b> 24 April 2013 20:10<br><b>To:</b> 'Razique Mahroua'; Lorin Hochstein<br><b>Cc:</b> JuanFra Rodriguez Cardoso; openstack-operators@lists.openstack.org<br><b>Subject:</b> RE: [Openstack-operators] Distributed Filesystem<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>From the latest OpenStack user survey presented at the summit,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img border=0 width=341 height=198 id="Chart_x0020_1" src="cid:image001.png@01CE412A.BEF85260"></span></b><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'>Tim<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> Razique Mahroua [<a href="mailto:razique.mahroua@gmail.com">mailto:razique.mahroua@gmail.com</a>] <br><b>Sent:</b> 24 April 2013 18:21<br><b>To:</b> Lorin Hochstein<br><b>Cc:</b> JuanFra Rodriguez Cardoso; <a href="mailto:openstack-operators@lists.openstack.org">openstack-operators@lists.openstack.org</a><br><b>Subject:</b> Re: [Openstack-operators] Distributed Filesystem<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I feel you Jacob, <o:p></o:p></p><div><p class=MsoNormal>Loring I had the exact same issue ! Using both Argonaut and Bobtail, on high I/O load the mount crashed the server - well the server wasn't crashing, the mount went crazy, and impossible to unmount the disk, kill the process, so I always ended up rebooting the nodes. What is interesting though is that the reason why it is not still considered as production-ready is because of the way metadata is currently implemented, rather than the code itself....<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span class=apple-style-span><b><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'>Razique Mahroua - Nuage & Co</span></b></span><span class=apple-style-span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></span></p><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'><a href="mailto:razique.mahroua@gmail.com">razique.mahroua@gmail.com</a></span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'>Tel : +33 9 72 37 94 15</span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:black'><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Arial","sans-serif";color:black'><br></span><img border=0 width=125 height=125 id="_x0035_098ddcf-d2fa-4e3c-8c5e-44a4cb137f04" src="cid:image002.jpg@01CE412A.BEF85260"><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Le 24 avr. 2013 à 17:36, Lorin Hochstein <<a href="mailto:lorin@nimbisservices.com">lorin@nimbisservices.com</a>> a écrit :<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>Razique:<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Out of curiosity, what kinds of problems did you see with CephFS? I've heard it's not ready for production yet, but I haven't heard anybody talk about specific experiences with it.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Lorin<o:p></o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Sat, Apr 20, 2013 at 8:14 AM, Razique Mahroua <<a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><p class=MsoNormal>Hi Paras, <o:p></o:p></p><div><p class=MsoNormal>that's the kind of setup I've always seen myself. After unsuccessful tests with CephFS, I'll move to the following strategy:<o:p></o:p></p></div><div><p class=MsoNormal>- GlusterFS as a shared storage for the instances (check the official doc, we wrote about its deployment for OpenStack)<o:p></o:p></p></div><div><p class=MsoNormal>- Ceph cluster wit the direct RBD gateway from nova to RADOS<o:p></o:p></p></div><div><p class=MsoNormal>- Ceph cluster as well the imaging service (Glance)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Some others use MooseFS as well the the stared storage (we wrote a deployment guide as well)<o:p></o:p></p></div><div><p class=MsoNormal>Best regards,<o:p></o:p></p></div><div><p class=MsoNormal>Razique<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><b><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'>Razique Mahroua - Nuage & Co</span></b><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'><a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a></span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'>Tel : <a href="tel:%2B33%209%2072%2037%2094%2015" target="_blank">+33 9 72 37 94 15</a></span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Arial","sans-serif"'><br></span><NUAGECO-LOGO-Fblan_petit.jpg> <o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>Le 19 avr. 2013 à 17:05, Paras pradhan <<a href="mailto:pradhanparas@gmail.com" target="_blank">pradhanparas@gmail.com</a>> a écrit :<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal>Well I am not sure if we would like to do it since it is marked as deprecated. So this is what I am thinking. For shared storage, I will be using glusterfs and use cinder just for extra block disk on the instances. This what the Openstack operators doing typically ? <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks<o:p></o:p></p></div><div><p class=MsoNormal>Paras.<o:p></o:p></p></div></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><div><p class=MsoNormal>On Fri, Apr 19, 2013 at 12:10 AM, Razique Mahroua <<a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a>> wrote:<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-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><p class=MsoNormal>More infos here:<o:p></o:p></p><div><p class=MsoNormal><a href="http://osdir.com/ml/openstack-cloud-computing/2012-08/msg00293.html" target="_blank">http://osdir.com/ml/openstack-cloud-computing/2012-08/msg00293.html</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>But I'm not sure about the last updates - you can still use it at the moment <o:p></o:p></p></div><div><p class=MsoNormal>Razique<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><b><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'>Razique Mahroua - Nuage & Co</span></b><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'><a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a></span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'>Tel : <a href="tel:%2B33%209%2072%2037%2094%2015" target="_blank">+33 9 72 37 94 15</a></span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><NUAGECO-LOGO-Fblan_petit.jpg> <o:p></o:p></p></div><div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Le 18 avr. 2013 à 17:13, Paras pradhan <<a href="mailto:pradhanparas@gmail.com" target="_blank">pradhanparas@gmail.com</a>> a écrit :<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>Regarding block migration, this is what confuses me. This is from the Openstack operations manual<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>--<o:p></o:p></p></div><div><div><p class=MsoNormal>Theoretically live migration can be done with non-shared storage, using<o:p></o:p></p></div><div><p class=MsoNormal>a feature known as KVM live block migration. However, this is a littleknown feature in OpenStack, with limited testing when compared to live migration, and is slated for deprecation in KVM upstream.<o:p></o:p></p></div></div><div><p class=MsoNormal>--<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Paras.<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Thu, Apr 18, 2013 at 3:00 AM, Razique Mahroua <<a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><p class=MsoNormal>Sure :)<o:p></o:p></p><div><p class=MsoNormal>Great feedbacks around. Many technologies do pretty much everything on the paper - but I guess in the end it's more about if the tech. does the job and if it does it well.<o:p></o:p></p></div><div><p class=MsoNormal>For such critical implementation, reliable solution is a must-have - ie that have proven through years they can be used and are stable enough for us to enjoy our week-ends :)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Razique<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><div><p class=MsoNormal>Le 18 avr. 2013 à 00:14, Paras pradhan <<a href="mailto:pradhanparas@gmail.com" target="_blank">pradhanparas@gmail.com</a>> a écrit :<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal>Thanks for the replies Razique. We are doing a test installation and looking for options for live migration. Looks like both cinder and shared file stirage are options. Among these two which one do you guys recommended considering the Cinder block will be typical lvm based commodity hardware.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks<o:p></o:p></p></div><div><p class=MsoNormal>Paras.<o:p></o:p></p></div></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><div><p class=MsoNormal>On Wed, Apr 17, 2013 at 5:03 PM, Razique Mahroua <<a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a>> wrote:<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-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><p class=MsoNormal>Definitely, use the "--block_migrate" flag along the nova migrate command so you don't need a shared storage.<o:p></o:p></p></div><div><div><p class=MsoNormal>You can boot from Cinder, depending on which version of OPS you run <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><b><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'>Razique Mahroua - Nuage & Co</span></b><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'><a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a></span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'>Tel : <a href="tel:%2B33%209%2072%2037%2094%2015" target="_blank">+33 9 72 37 94 15</a></span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><NUAGECO-LOGO-Fblan_petit.jpg> <o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><div><div><div><p class=MsoNormal>Le 17 avr. 2013 à 23:55, Paras pradhan <<a href="mailto:pradhanparas@gmail.com" target="_blank">pradhanparas@gmail.com</a>> a écrit :<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><div><p class=MsoNormal>Can we do live migration without using shared storage like glusterfs and using cinder to boot the volume from? <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Sorry little off topic <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks<o:p></o:p></p></div><div><p class=MsoNormal>Paras.<o:p></o:p></p></div></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><div><p class=MsoNormal>On Wed, Apr 17, 2013 at 4:53 PM, Razique Mahroua <<a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a>> wrote:<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-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><div><p class=MsoNormal>Many use either a proprietary backend or the good old LVM<o:p></o:p></p><div><p class=MsoNormal>I'll go with Ceph for it since there is a native integration between cinder/ nova-volume and Ceph<o:p></o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><b><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'>Razique Mahroua - Nuage & Co</span></b><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'><a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a></span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif";color:#13708A'>Tel : <a href="tel:%2B33%209%2072%2037%2094%2015" target="_blank">+33 9 72 37 94 15</a></span><span style='font-size:13.5pt;font-family:"Helvetica","sans-serif"'><o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal><NUAGECO-LOGO-Fblan_petit.jpg> <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Le 17 avr. 2013 à 23:49, Paras pradhan <<a href="mailto:pradhanparas@gmail.com" target="_blank">pradhanparas@gmail.com</a>> a écrit :<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>What do people use for cinder?<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks<o:p></o:p></p></div><div><p class=MsoNormal>Paras.<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Wed, Apr 17, 2013 at 4:41 PM, Razique Mahroua <<a href="mailto:razique.mahroua@gmail.com" target="_blank">razique.mahroua@gmail.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><p class=MsoNormal>I was about to use CephFS (Bobtail) but the I can't resize the instances without having CephFS crashing.<o:p></o:p></p><div><p class=MsoNormal>I'm currently considering GlusterFS which not only provides great performance, it's also pretty much easy to administer :)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><div><p class=MsoNormal>Le 17 avr. 2013 à 22:07, JuanFra Rodriguez Cardoso <<a href="mailto:juanfra.rodriguez.cardoso@gmail.com" target="_blank">juanfra.rodriguez.cardoso@gmail.com</a>> a écrit :<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>Glance and Nova with MooseFS.<br>Reliable, good performance and easy configuration.<o:p></o:p></p><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><div><p class=MsoNormal>---<o:p></o:p></p></div><p class=MsoNormal>JuanFra<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>2013/4/17 Jacob Godin <<a href="mailto:jacobgodin@gmail.com" target="_blank">jacobgodin@gmail.com</a>><o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><p class=MsoNormal>Hi all,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Just a quick survey for all of you running distributed file systems for nova-compute instance storage. What are you running? Why are you using that particular file system?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>We are currently running CephFS and chose it because we are already using Ceph for volume and image storage. It works great, except for snapshotting, where we see slow performance and high CPU load.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>OpenStack-operators mailing list<br><a href="mailto:OpenStack-operators@lists.openstack.org" target="_blank">OpenStack-operators@lists.openstack.org</a><br><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal>_______________________________________________<br>OpenStack-operators mailing list<br><a href="mailto:OpenStack-operators@lists.openstack.org" target="_blank">OpenStack-operators@lists.openstack.org</a><br><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators</a><o:p></o:p></p></blockquote></div></div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>OpenStack-operators mailing list<br><a href="mailto:OpenStack-operators@lists.openstack.org" target="_blank">OpenStack-operators@lists.openstack.org</a><br><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></blockquote></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></blockquote></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>OpenStack-operators mailing list<br><a href="mailto:OpenStack-operators@lists.openstack.org">OpenStack-operators@lists.openstack.org</a><br><a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><br><br clear=all><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>-- <o:p></o:p></p><div><p class=MsoNormal>Lorin Hochstein<o:p></o:p></p><div><p class=MsoNormal>Lead Architect - Cloud Services<o:p></o:p></p></div><div><p class=MsoNormal>Nimbis Services, Inc.<o:p></o:p></p></div><div><p class=MsoNormal><a href="http://www.nimbisservices.com/" target="_blank">www.nimbisservices.com</a><o:p></o:p></p></div></div></div></div></div></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></div></body></html>