For critical services (i.e. database, message queue, conf files), I'd rather to use HA architectures like this examples: http://www.mirantis.com/blog/intro-to-openstack-in-production/
JuanFra. 2012/11/21 Sébastien Han <han.sebast...@gmail.com> > As far I'm concerned, I will never put config files on share storage > (especially on a non-production ready), these are too critical. I will only > do it if the application specifically requires it like shared web > applications that needs auto vhost sync (or stuff like that). > > If you want to keep them update & sync, simply manage this with git & > puppet ;) > > My 2 cents... > > On Wed, Nov 21, 2012 at 10:40 PM, Razique Mahroua < > razique.mahr...@gmail.com> wrote: > >> 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. >> Regarding the performance, it should not be a problem - the only data >> that gets frequently updated being the database. >> regards, >> Razique >> >> *Nuage & Co - Razique Mahroua** * >> razique.mahr...@gmail.com >> >> >> Le 21 nov. 2012 à 15:51, Dave Spano <dsp...@optogenics.com> a écrit : >> >> JuanFra, >> >> 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. >> >> 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. >> >> Dave Spano >> Optogenics >> Systems Administrator >> >> >> ------------------------------ >> *From: *"Sébastien Han" <han.sebast...@gmail.com> >> *To: *"JuanFra Rodríguez Cardoso" <juanfra.rodriguez.card...@gmail.com> >> *Cc: *"Openstack" <openstack@lists.launchpad.net>, "ceph-devel" < >> ceph-de...@vger.kernel.org> >> *Sent: *Wednesday, November 21, 2012 4:03:48 AM >> *Subject: *Re: [Openstack] Ceph + Nova >> >> Hi, >> >> I don't think it's the best place to ask your question since it's not >> directly related to OpenStack but more about Ceph. I just put in c/c >> the ceph ML. Anyway, CephFS is not ready yet for production but I >> heard that some people use it. People from Inktank (the company behind >> Ceph) don't recommend it, AFAIR they expect something more production >> ready for Q2 2013. You can use it (I did, for testing purpose) but >> it's at your own risk. >> Beside of this RBD and RADOS are robust and stable now, so you can go >> with the Cinder and Glance integration without any problems. >> >> Cheers! >> >> On Wed, Nov 21, 2012 at 9:37 AM, JuanFra Rodríguez Cardoso >> <juanfra.rodriguez.card...@gmail.com> wrote: >> > Hi everyone: >> > >> > I'd like to know your opinion as nova experts: >> > >> > Would you recommend CephFS as shared storage in /var/lib/nova/instances? >> > Another option it would be use GlusterFS or MooseFS for >> > /var/lib/nova/instances directory and Ceph RBD for Glance and Nova >> volumes, >> > don't you think? >> > >> > Thanks for your attention. >> > >> > Best regards, >> > JuanFra >> > >> > _______________________________________________ >> > Mailing list: https://launchpad.net/~openstack >> > Post to : openstack@lists.launchpad.net >> > Unsubscribe : https://launchpad.net/~openstack >> > More help : https://help.launchpad.net/ListHelp >> > >> -- >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >> the body of a message to majord...@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : openstack@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp >> >> >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : openstack@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp >> >> > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > >
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