The in-development RBD journaling feature is designed to be utilized with a future RBD mirroring daemon to perform continuous and point-in-time consistent replication of RBD images to another Ceph cluster (specifically with disaster recovery situations in-mind).
Until this feature is available and stable, periodic RBD incremental diff exports are probably the best backup alternative. -- Jason Dillaman ----- Original Message ----- > From: "changtao381" <changtao...@163.com> > To: dilla...@redhat.com > Cc: ceph-devel@vger.kernel.org > Sent: Tuesday, December 8, 2015 10:10:17 PM > Subject: About rbd journal > > HI, > > There is requirement from customers that need to continuous backup rbd image > to backup device or another ceph cluster. > > As far as I know , rbd journal can be used to record all the rbd mutations > to journal which is stored in rados objects in the same ceph cluster > > Is it has interface to push rbd journal to another storage device or > another ceph cluster ? Or is is has dev plan? > > Or anyone has other good way to do backup ? Thanks very much! > > > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majord...@vger.kernel.org > 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 majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
