The two data centers are actually cross US. One is in the west, and the other in the east. We try to sync rdb images using RDB mirroring.
2016-10-20 9:54 GMT-07:00 German Anders <gand...@despegar.com>: > from curiosity I wanted to ask you what kind of network topology are you > trying to use across the cluster? In this type of scenario you really need > an ultra low latency network, how far from each other? > > Best, > > *German* > > 2016-10-18 16:22 GMT-03:00 Sean Redmond <sean.redmo...@gmail.com>: > >> Maybe this would be an option for you: >> >> http://docs.ceph.com/docs/jewel/rbd/rbd-mirroring/ >> >> >> On Tue, Oct 18, 2016 at 8:18 PM, yan cui <ccuiy...@gmail.com> wrote: >> >>> Hi Guys, >>> >>> Our company has a use case which needs the support of Ceph across two >>> data centers (one data center is far away from the other). The experience >>> of using one data center is good. We did some benchmarking on two data >>> centers, and the performance is bad because of the synchronization feature >>> in Ceph and large latency between data centers. So, are there setting ups >>> like data center aware features in Ceph, so that we have good locality? >>> Usually, we use rbd to create volume and snapshot. But we want the volume >>> is high available with acceptable performance in case one data center is >>> down. Our current setting ups does not consider data center difference. Any >>> ideas? >>> >>> >>> Thanks, Yan >>> >>> -- >>> Think big; Dream impossible; Make it happen. >>> >>> _______________________________________________ >>> 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 >> >> > -- Think big; Dream impossible; Make it happen.
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