On 28/06/2017 13:42, Wido den Hollander wrote: > Honestly I think there aren't that many IPv6 deployments with Ceph out there. I for sure am a big fan a deployer of Ceph+IPv6, but I don't know many around me. I got that ! Because IPv6 is so much better than IPv4 :dance: > Wido > >> Best regards, >> >> George >> ________________________________________ >> From: Wido den Hollander [wido@xxxxxxxx] >> Sent: 27 June 2017 19:19 >> To: Vasilakakos, George (STFC,RAL,SC); ceph-users@xxxxxxxxxxxxxx >> Subject: Re: Ceph and IPv4 -> IPv6 >> >>> Op 27 juni 2017 om 19:00 schreef george.vasilakakos@xxxxxxxxxx: >>> >>> >>> Hey Ceph folks, >>> >>> I was wondering what the current status/roadmap/intentions etc. are on the possibility of providing a way of transitioning a cluster from IPv4 to IPv6 in the future. >>> >>> My current understanding is that this not possible at the moment and that one should deploy initially with the version they want long term. >>> >>> However, given the general lack of widespread readiness, I think lots of us have deployed with IPv4 and were hoping to go to IPv6 when the rest of our environments enabled it. >>> >>> Is adding such a capability to a future version of Ceph being considered? >>> >> >> I think you can, but not without downtime. >> >> The main problem is the monmap which contains IPv4 addresses and you want to change that to IPv6. >> >> I haven't tried this, but I think you should be able to: >> - Extract MONMap >> - Update the IPv4 addresses to IPv6 using monmaptool >> - Set noout flag >> - Stop all OSDs >> - Inject new monmap >> - Stop MONs >> - Make sure IPv6 is fixed on MONs >> - Start MONs >> - Start OSDs >> >> Again, this is from the top of my head, haven't tried it, but something like that should probably work. >> >> Wido >> >> >>> >>> Best regards, >>> >>> George V. >>> _______________________________________________ >>> 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 > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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