Hello, a note: we are running IPv6 only clusters since 2017, in case anyone has questions. In earlier releases no tunings were necessary, later releases need the bind parameters. BR, Nico Stefan Kooman <stefan@xxxxxx> writes: > On 15-09-2023 09:25, Robert Sander wrote: >> Hi, >> as the documentation sends mixed signals in >> https://docs.ceph.com/en/latest/rados/configuration/network-config-ref/#ipv4-ipv6-dual-stack-mode >> "Note >> Binding to IPv4 is enabled by default, so if you just add the option >> to bind to IPv6 you’ll actually put yourself into dual stack mode." >> and >> https://docs.ceph.com/en/latest/rados/configuration/msgr2/#address-formats >> "Note >> The ability to bind to multiple ports has paved the way for >> dual-stack IPv4 and IPv6 support. That said, dual-stack operation is >> not yet supported as of Quincy v17.2.0." >> just the quick questions: >> Is a dual stacked networking with IPv4 and IPv6 now supported or >> not? >> From which version on is it considered stable? > > IIIRC, the "enable dual" stack PR's were more or less "accidentally" > merged, at least that's what Radoslaw Zarzynski (added to CC) told me > during the developer summit at Cephalocon in Amsterdam. There was a > discussion about dual stack support after that. I voted in favor of > not supporting dual stack. Currently there are no IPv6 (only) tests > that are performed, it's IPv4 only. Let alone dual stack testing > setups. It gets complicated quickly if you want to test all sort of > combinations (some daemons with dual stack, some IPv4 only, some IPv6 > only, etc.). > > >> Are OSDs now able to register themselves with two IP addresses in >> the cluster map? MONs too? > > At least the OSDs and MDSs can, and caused trouble for kernels with > messenger v2 support. We had to disable IPv4 explicitly to get rid of > the IPv4 "0.0.0.0" addresses in the MDS map. See this thread [1]. > > Gr. Stefan > > [1]: > https://lists.ceph.io/hyperkitty/list/ceph-users@xxxxxxx/thread/GLNS2S6BK7Q5ECUT3G53EP5CCXNFENXQ/ > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx -- Sustainable and modern Infrastructures by ungleich.ch _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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