<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"><base href="x-msg://351/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">That's i think a clever approach - to set a data cluster as a backend for the configuration files - which are de facto as important as the instances themselves.<div>Regarding the performance, it should not be a problem - the only data that gets frequently updated being the database. </div><div>regards,</div><div>Razique</div><div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Lucida Grande'; 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-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="font-family: Helvetica; "><span class="Apple-style-span" style="font-family: Helvetica; "><b style="color: rgb(19, 112, 138); ">Nuage & Co - Razique Mahroua</b></span><span class="Apple-style-span" style="color: rgb(19, 112, 138); font-family: Helvetica; "><b> </b></span><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: 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-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; font-variant: 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-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; font-variant: 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-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-weight: normal; font-style: normal; "><font class="Apple-style-span" color="#13708a"><a href="mailto:razique.mahroua@gmail.com">razique.mahroua@gmail.com</a></font></div></span><br class="Apple-interchange-newline"><span></span><span style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: medium; font-weight: normal; font-style: normal; "></span><span style="color: rgb(0, 0, 0); font-weight: normal; "></span></span><span><img height="125" width="125" id="fec8efa2-a77f-4cb1-bc41-ad853aa89a4c" apple-width="yes" apple-height="yes" src="cid:00E07450-433E-43E6-9005-48B8FD5C669F@la.fabrique"></span>
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<br><div><div>Le 21 nov. 2012 à 15:51, Dave Spano <<a href="mailto:dspano@optogenics.com">dspano@optogenics.com</a>> a écrit :</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="font-family: 'Helvetica Neue'; 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; "><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; ">JuanFra,<br><br>I do use cephfs in production, but not for the /var/lib/instances directory. I do host the openstack database and the openstack configuration files on it for an HA cloud controller cluster, but I am probably crazier than most people, and I have a very small deployment. I currently have not had any problems with it, but due to the size of my cloud, I can afford to be very hands-on with it.<span class="Apple-converted-space"> </span><br><br>The reason I have not hosted the /var/lib/instances directory is due to the fact that the data gets a lot more activity than my small database does. Instead, I prefer to perform block migrations rather than live ones until cephfs becomes more stable.<span class="Apple-converted-space"> </span><br><br><div><span name="x"></span>Dave Spano<br>Optogenics<br>Systems Administrator<br><br><span name="x"></span><br></div><hr id="zwchr"><div style="font-weight: normal; font-style: normal; text-decoration: none; font-family: Helvetica, Arial, sans-serif; font-size: 12pt; "><b>From:<span class="Apple-converted-space"> </span></b>"Sébastien Han" <<a href="mailto:han.sebastien@gmail.com">han.sebastien@gmail.com</a>><br><b>To:<span class="Apple-converted-space"> </span></b>"JuanFra Rodríguez Cardoso" <<a href="mailto:juanfra.rodriguez.cardoso@gmail.com">juanfra.rodriguez.cardoso@gmail.com</a>><br><b>Cc:<span class="Apple-converted-space"> </span></b>"Openstack" <<a href="mailto:openstack@lists.launchpad.net">openstack@lists.launchpad.net</a>>, "ceph-devel" <<a href="mailto:ceph-devel@vger.kernel.org">ceph-devel@vger.kernel.org</a>><br><b>Sent:<span class="Apple-converted-space"> </span></b>Wednesday, November 21, 2012 4:03:48 AM<br><b>Subject:<span class="Apple-converted-space"> </span></b>Re: [Openstack] Ceph + Nova<br><br>Hi,<br><br>I don't think it's the best place to ask your question since it's not<br>directly related to OpenStack but more about Ceph. I just put in c/c<br>the ceph ML. Anyway, CephFS is not ready yet for production but I<br>heard that some people use it. People from Inktank (the company behind<br>Ceph) don't recommend it, AFAIR they expect something more production<br>ready for Q2 2013. You can use it (I did, for testing purpose) but<br>it's at your own risk.<br>Beside of this RBD and RADOS are robust and stable now, so you can go<br>with the Cinder and Glance integration without any problems.<br><br>Cheers!<br><br>On Wed, Nov 21, 2012 at 9:37 AM, JuanFra Rodríguez Cardoso<br><<a href="mailto:juanfra.rodriguez.cardoso@gmail.com">juanfra.rodriguez.cardoso@gmail.com</a>> wrote:<br>> Hi everyone:<br>><br>> I'd like to know your opinion as nova experts:<br>><br>> Would you recommend CephFS as shared storage in /var/lib/nova/instances?<br>> Another option it would be use GlusterFS or MooseFS for<br>> /var/lib/nova/instances directory and Ceph RBD for Glance and Nova volumes,<br>> don't you think?<br>><br>> Thanks for your attention.<br>><br>> Best regards,<br>> JuanFra<br>><br>> _______________________________________________<br>> Mailing list:<span class="Apple-converted-space"> </span><a href="https://launchpad.net/~openstack">https://launchpad.net/~openstack</a><br>> Post to :<span class="Apple-converted-space"> </span><a href="mailto:openstack@lists.launchpad.net">openstack@lists.launchpad.net</a><br>> Unsubscribe :<span class="Apple-converted-space"> </span><a href="https://launchpad.net/~openstack">https://launchpad.net/~openstack</a><br>> More help :<span class="Apple-converted-space"> </span><a href="https://help.launchpad.net/ListHelp">https://help.launchpad.net/ListHelp</a><br>><br>--<br>To unsubscribe from this list: send the line "unsubscribe ceph-devel" in<br>the body of a message to<span class="Apple-converted-space"> </span><a href="mailto:majordomo@vger.kernel.org">majordomo@vger.kernel.org</a><br>More majordomo info at <a href="http://vger.kernel.org/majordomo-info.html">http://vger.kernel.org/majordomo-info.html</a><br></div><br></div>_______________________________________________<br>Mailing list:<span class="Apple-converted-space"> </span><a href="https://launchpad.net/~openstack">https://launchpad.net/~openstack</a><br>Post to :<span class="Apple-converted-space"> </span><a href="mailto:openstack@lists.launchpad.net">openstack@lists.launchpad.net</a><br>Unsubscribe :<span class="Apple-converted-space"> </span><a href="https://launchpad.net/~openstack">https://launchpad.net/~openstack</a><br>More help :<span class="Apple-converted-space"> </span><a href="https://help.launchpad.net/ListHelp">https://help.launchpad.net/ListHelp</a></div></blockquote></div><br></div></body></html>