On Wed, Mar 28, 2018 at 7:33 AM, Brad Hubbard <bhubbard@xxxxxxxxxx> wrote: > On Wed, Mar 28, 2018 at 6:53 PM, Max Cuttins <max@xxxxxxxxxxxxx> wrote: >> Il 27/03/2018 13:46, Brad Hubbard ha scritto: >> >> >> >> On Tue, Mar 27, 2018 at 9:12 PM, Max Cuttins <max@xxxxxxxxxxxxx> wrote: >>> >>> Hi Brad, >>> >>> that post was mine. I knew it quite well. >>> >>> That Post was about confirm the fact that minimum requirements written in >>> the documentation really didn't exists. >>> >>> However I never asked if there is somewhere a place where is possible to >>> download the DEV or the RC of Centos7.5. >>> I was thinking about to join the community of tester and developers that >>> are already testing Ceph on that "not ready" environment. >>> >>> In that POST these questions were not really made, so no answer where >>> given. >> >> >> From that thread. >> >> "The necessary kernel changes actually are included as part of 4.16-rc1 >> which is available now. We also offer a pre-built test kernel with the >> necessary fixes here [1]. >> >> [1] https://shaman.ceph.com/repos/kernel/ceph-iscsi-test/"; >> >> I notice that URL is unavailable so maybe the real question should be why is >> that kernel no longer available? >> >> >> Yes, the link was broken and it seemed to me a misprint of old docs. >> As all other stuffs described didn't exists already I thought that event >> this Kernel test was not available (already or anymore). > > The link is fixed as of 12-18 hours ago and the kernel is available again. > >> >> >> There are plenty more available at >> https://shaman.ceph.com/repos/kernel/testing/ but *I* can't tell you which >> is relevant but perhaps someone else can. >> >> >> However the 4.16 is almost ready to be released (shoulded had been already). >> At this moment is just a double work use that kernel and after upgrade it to >> the final one. > > OK, I guess you just need to wait (by your choice) then. > >> >> >>> I see that you talked also about other distribution. Well, I read around >>> that Suse already implement iSCSI. >>> However as far as I know (which is not so much), this distribution use >>> modified kernel in order to let this work. >>> And in order to use it it's needed a dashboard that can handle these kind >>> of differences (OpenAttic). >>> I knew already OpenAttic is contributing in developing the next generation >>> of the Ceph Dashboard (and this sound damn good!). >>> However this also means to me that the official dashboard should not be >>> talking about ISCSI at all (as every implementation of iSCSI are running on >>> mod version). >>> >>> So these are the things I cannot figure out: >>> Why is the iSCSI board on the CEPH official dashboard? (I could understand >>> on OpenAttic which run on SUSE but not on the official one). >> >> Why do you believe it should not be? >> >> >> Maybe I'm in wrong, but I guess that the dashboard manager expects to get >> data/details/stats/config from a particular set of paths, components and >> daemons which cannot be the same for all the ad-hoc implementation. >> So there is a dashboard that show values for a component.... which is not >> there (instead could be there something else but written in another way). >> Every ad-hoc implementation (like OpenAttic) of course know where to find >> data/details/stats/config for work with their implementation (so it's >> understandable that they have board for iSCSI). >> Right? > > Not as far as I'm concerned. See John's email on the subject in this thread. > >> >> >>> And why, in the official documentation, the minimu requirements to let >>> iSCSI work, is to install CentOS7.5? Which doesn't exist? Is there a RC >>> candidate which I can start to use? >> >> >> But it doesn't say that, it says " RHEL/CentOS 7.5; Linux kernel v4.16 or >> newer; or the Ceph iSCSI client test kernel". You seem to be ignoring the >> "Ceph iSCSI client test kernel" part? >> >> Yes, the link was broken and it seemed to me a misprint of old docs. >> >> Moreover at first read I figure out that I needed both centOS7.5 AND kernel >> 4.16..... OR the kernel test. >> Now you are telling me that all requirements are alternative. Which explain >> to me why the documentation suggest just CentOS and not all others >> distribution. >> Also this sounds good. >> >> But I don't think that CentOS7.5 will use the kernel 4.16 ... so you are >> telling me that new feature will be backported to the kernel 3.* ? > > Nope. I'm not part of the Red hat kernel team and don't have the > influence to shape what they do. The RHEL/CentOS 7.5 3.x-based kernel will have all the necessary bug fixes. >> Is it right? So.... i don't need to upgrade the kernel If I'll use >> RHEL/CentOS7.5 ? >> This sound even better. I was a bit worried to don't use the mainstream >> kernel of the distribution. > > We'll have to wait and see what ships. See above. >> >>> And... if SUSE or even other distribution works already with iSCSI... why >>> the documentation just doesn't reccomend these ones instead of RHEL or >>> CENTOS? >> >> Because that would be odd, to say the least. If the documentation is >> incorrect for CentOS then it was, at least at some point, thought to be >> correct and it probably will be correct again in the near future and, if >> not, we can review and correct it as necessary. >> >> >> Of course the best way to predict the future is to make it happen. ;) >> But this is odd for a documentation (at least should be a warning box saying >> that all components will be ready in the near future). > > Once again you are ignoring the "Ceph iSCSI client test kernel" part > of that sentence. > >> >> Thank you Brad to answer me. >> > > No problem. I think we've probably done this to death now though. > > > -- > Cheers, > Brad -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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