You may find my talk at OpenStack Boston’s Ceph day last year to be useful: https://www.youtube.com/watch?v=rY0OWtllkn8 -Greg On Wed, Jun 27, 2018 at 9:06 AM Marc Schöchlin <m...@256bit.org> wrote:
> Hello list, > > i currently hold 3 snapshots per rbd image for my virtual systems. > > What i miss in the current documentation: > > * details about the implementation of snapshots > o implementation details > o which scenarios create high overhead per snapshot > o what causes the really short performance degration on snapshot > creation/deletion > o why do i not see a significant rbd performance degration if > there a numerous snapshots > o .... > * details and recommendations about the overhead of snapshots > o what performance penalty do i have to expect for a write/read iop > o what are the edgecases of the implemnetation > o how many snapshots per image (i.e virtual machine) might be a > good idea > o ... > > Regards > Marc > > > Am 27.06.2018 um 15:37 schrieb Brian :: > > Hi John > > > > Have you looked at ceph documentation? > > > > RBD: http://docs.ceph.com/docs/luminous/rbd/rbd-snapshot/ > > > > The ceph project documentation is really good for most areas. Have a > > look at what you can find then come back with more specific questions! > > > > Thanks > > Brian > > > > > > > > > > On Wed, Jun 27, 2018 at 2:24 PM, John Molefe <john.mol...@nwu.ac.za> > wrote: > >> Hi everyone > >> > >> I would like some advice and insight into how ceph snapshots work and > how it > >> can be setup. > >> > >> Responses will be much appreciated. > >> > >> Thanks > >> John > >> > >> Vrywaringsklousule / Disclaimer: > >> http://www.nwu.ac.za/it/gov-man/disclaimer.html > >> > >> > >> _______________________________________________ > >> ceph-users mailing list > >> ceph-users@lists.ceph.com > >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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