On Mon, Aug 21, 2017 at 2:35 PM, Bryan Banister <bbanister@xxxxxxxxxxxxxxx> wrote: > Hi all, > > > > I’m very new to ceph and cephfs, so I’m just starting to play around with > the Luminous release. There are some very concerning warnings about > deploying multiple cephfs instances in the same cluster: > > “There are no known bugs, but any failures which do result from having > multiple active filesystems in your cluster will require manual intervention > and, so far, will not have been experienced by anybody else – knowledgeable > help will be extremely limited. You also probably do not have the security > or isolation guarantees you want or think you have upon doing so.” The sort of literal translation of this is: - the automated tests for systems with multiple filesystems are not very comprehensive - a client that can access one filesystem can access all of them If you're adventurous enough to be running upstream Ceph packages, and you have at least some level of test/staging environment to try it in, then I'd not be too scared about trying it out. > And Redhat says: > > “Creating multiple Ceph File Systems in one cluster is not fully supported > yet and can cause the MDS or client nodes to terminate unexpectedly.” I don't know who wrote that text, but I do not believe that there are any known issues involving MDS or client nodes terminating unexpectedly. John > > > > Is anybody deploying multiple cephfs instances and have there been any > issues like the warnings indicate? > > > > Thanks! > > -Bryan > > > > > > > ________________________________ > > Note: This email is for the confidential use of the named addressee(s) only > and may contain proprietary, confidential or privileged information. If you > are not the intended recipient, you are hereby notified that any review, > dissemination or copying of this email is strictly prohibited, and to please > notify the sender immediately and destroy this email and any attachments. > Email transmission cannot be guaranteed to be secure or error-free. The > Company, therefore, does not make any guarantees as to the completeness or > accuracy of this email or any attachments. This email is for informational > purposes only and does not constitute a recommendation, offer, request or > solicitation of any kind to buy, sell, subscribe, redeem or perform any type > of transaction of a financial product. > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com