On Mon, Oct 2, 2017 at 1:25 PM, Orit Wasserman <owasserm@xxxxxxxxxx> wrote: > + ceph-devel > > On Mon, Oct 2, 2017 at 1:18 PM, Two Spirit <twospirit6905@xxxxxxxxx> wrote: >>>Yes. This is zone to zone sync in RGW. >>>RGW geo replication was designed speciflicly to handle slow WAN link. >>> >>>For more details see: >> >> Thanks for the links. I'll look them over. >> >>>Each zone is a complete and separates Ceph cluster. >> The diagram in the documentation shows 3 monitors in a single Ceph >> cluster when replicating zone to zone so that is what is confusing. >> The diagram makes one think there is a single ceph cluster for US-West >> and US-East. >> >> My understanding is that for each separate Ceph cluster, mons >> determine quorum for their individual cluster, so the diagram should >> show 2 sets of 3 mons. >> correct! >> On Mon, Oct 2, 2017 at 3:09 AM, Orit Wasserman <owasserm@xxxxxxxxxx> wrote: >>> On Fri, Sep 29, 2017 at 6:41 PM, Two Spirit <twospirit6905@xxxxxxxxx> wrote: >>>> Is it now supported to be able to write to a secondary zone without problems? >>>> >>> >>> yes from Jewel. >>> >>>> If not supported, is there a timeframe that this (being able to write >>>> to secondary zones) would be supported? >>>> >>>> It also looks like the federated solution does not scale well with >>>> multi region all in sync. >>>> >>> >>> We moved to a new implementation in Jewel (because of problems with >>> the old federated solution). >>> Region is now called zonegroup to avoid confusion with AWS region. >>> A zone in RGW is like an AWS region. >>> >>>> Is there support in Ceph for region-to-region syncing. Based on the >>>> figure in the documentation, it appears that zone to zone syncing does >>>> not happen across a slow wan link (as there are 3 MONs in the backend, >>>> and unified Ceph cluster is not recommended across a WAN) >>> >>> Yes. This is zone to zone sync in RGW. >>> RGW geo replication was designed speciflicly to handle slow WAN link. >>> Each zone is a complete and separates Ceph cluster. >>> >>> For more details see: >>> http://docs.ceph.com/docs/master/radosgw/multisite/ >>> http://events.linuxfoundation.org/sites/events/files/slides/Linuxcon_multisitev2.pdf >>> >>> Regards, >>> Orit >>> >>>> -- >>>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
