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. > 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. > >> 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 _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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