To chime in here, there is https://github.com/45Drives/cephgeorep That allows cephfs replication pre pacific. There is a mail thread somewhere on the list where a ceph developer warns about semantics issues of recursive mtime even on pacific. However, according to 45 drives they have never had an issue so YMMD. HTH <DHilsbos@xxxxxxxxxxxxxx> schrieb am Di., 12. Okt. 2021, 18:55: > Michel; > > I am neither a Ceph evangelist, nor a Ceph expert, but here is my current > understanding: > Ceph clusters do not have in-built cross cluster synchronization. That > said, there are several things which might meet your needs. > > 1) If you're just planning your Ceph deployment, then the latest release > (Pacific) introduced the concept of a stretch cluster, essentially a > cluster which is stretched across datacenters (i.e. a relatively > low-bandwidth, high-latency link)[1]. > > 2) RADOSGW allows for uni-directional as well as bi-directional > synchronization of the data that it handles.[2] > > 3) RBD provides mirroring functionality for the data it handles.[3] > > Thank you, > > Dominic L. Hilsbos, MBA > Vice President - Information Technology > Perform Air International Inc. > DHilsbos@xxxxxxxxxxxxxx > www.PerformAir.com > > [1] https://docs.ceph.com/en/latest/rados/operations/stretch-mode/ > [2] https://docs.ceph.com/en/latest/radosgw/sync-modules/ > [3] https://docs.ceph.com/en/latest/rbd/rbd-mirroring/ > > > -----Original Message----- > From: Michel Niyoyita [mailto:micou12@xxxxxxxxx] > Sent: Tuesday, October 12, 2021 8:35 AM > To: ceph-users > Subject: Ceph cluster Sync > > Dear team > > I want to build two different cluster: one for primary site and the second > for DR site. I would like to ask if these two cluster can > communicate(synchronized) each other and data written to the PR site be > synchronized to the DR site , if once we got trouble for the PR site the > DR automatically takeover. > > Please help me for the solution or advise me how to proceed > > Best Regards > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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