On Sat, Feb 23, 2019 at 9:09 AM Pierre-Francois Renard <[email protected]> wrote:
> Hi all, > > Thank you for all your answers. > > > I give yoy a little more details about the why i am here 😊 > > > I want to learn ceph, and i am really having no knowledge on ceph. > > I decided to follow the official doc on ceph.com site. > It is said to use ceph-deploy which is not working. > I tried to upgraded it following ceph documentation and then i was in this > ceph repos story and ceph compilation! > > I have log a bug for ceph-deploy. With no working answer. > > For your info > Compilation is still on going > Why are you compiling it, why don't you just "dnf install" it, the Fedora packages are maintained by the ceph team. > I am trying qemu emulation to check is it is faster > Why wouldn't you just use the native arch of the machine you're running on in VMs that using qemu emulation? > I ll try your proposals on tomorrow > > Thanks > > > Le sam. 23 févr. 2019 à 09:41, Patrick Charles François Ernzer < > [email protected]> a écrit : > >> Hello, >> >> > I am trying to build a ceph cluster based on 4 raspberry3B+. >> >> As long as you have very realistic expectations as to the performance and >> reliability you will get out of 4 severely underpowered (for Ceph) nodes, >> why not. >> >> I do nearly the same, simply to learn Ceph, with 5 ODROID-HC2 (more bang >> than the 3B+ but 32 bit). I would not dream of expecting even wire speed >> out of SBCs with 2GiB RAM, a single Gigabit network connection attached via >> USB and SATA via USB. >> >> > Following the official CEPH documentation is a dead end as packages are >> only available for >> > readhat/centos and not fedora ! >> >> As was pointed out, your Raspis should find the packages in the repos. >> Please provide the output of the yum commands that Troy Dawson mailed. >> Maybe your repository setup has an issue. >> >> You can view all builds of ceph for Fedora at >> https://koji.fedoraproject.org/koji/search?match=glob&type=package&terms=ceph >> It's built for >> - aarch64 >> - ppc64le >> - s390x >> - x86_64 >> >> > I tried to used the el7 repository but the are conflicts >> > and lacks with fedora repos. >> >> Yeah, I would not attempt to mix that way. >> >> > Did I miss something ? >> >> If "dnf search ceph" shows you results, then you might be trying to >> install Ceph wrongly. Are you using ceph-ansible? I definitely recommend >> you do. >> http://docs.ceph.com/ceph-ansible/stable-3.2/ >> or, if not using Luminous, but master >> http://docs.ceph.com/ceph-ansible/master/ >> although I recommend you start with a stable version if this is your >> first foray into Ceph. >> >> > I am now trying to compile from sources. it is still ongoing ( 16% >> after 24h !) >> >> Yeah, that will take a while. I'd be too impatient for that ;-) >> >> On Ceph itself, I am happily playing with Ceph Luminous using Bluestore, >> if you want Luminous too, be sure to use the stable-3.2 branch of >> ceph-ansible, as documented. >> >> As my SBC definitely are at the lowest end of >> http://docs.ceph.com/docs/master/start/hardware-recommendations/ I >> adjusted >> osd_memory_target >> http://docs.ceph.com/docs/mimic/rados/configuration/bluestore-config-ref/ >> >> I expect to have to do many more tunings in the days and weeks to come. >> >> As always with a cluster, you may want to consider: >> - using monitoring to notice if one of many nodes is down >> - using a watchdog to bounce nodes that are unresponsive >> - wiring up serial consoles and logging to a logserver >> >> pcfe >> _______________________________________________ >> arm mailing list -- [email protected] >> To unsubscribe send an email to [email protected] >> Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html >> List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines >> List Archives: >> https://lists.fedoraproject.org/archives/list/[email protected] >> > _______________________________________________ > arm mailing list -- [email protected] > To unsubscribe send an email to [email protected] > Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/[email protected] >
_______________________________________________ arm mailing list -- [email protected] To unsubscribe send an email to [email protected] Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/[email protected]
