Hi,
if you have Pacific or later running you might want look into CephFS
mirroring [1]. Basically, it's about (asynchronous) snapshot mirroring:
For a given snapshot pair in a directory, cephfs-mirror daemon will
rely on readdir diff to identify changes in a directory tree. The
diffs are applied to directory in the remote file system thereby
only synchronizing files that have changed between two snapshots.
This feature is tracked here: https://tracker.ceph.com/issues/47034.
Currently, snapshot data is synchronized by bulk copying to the
remote filesystem.
Regards,
Eugen
[1] https://docs.ceph.com/en/latest/dev/cephfs-mirroring/
Zitat von zxcs <zhuxiongcs@xxxxxxx>:
Hi, Experts,
we already have a CephFS cluster, called A, and now we want to
setup another CephFS cluster(called B) in other site.
And we need to synchronize data with each other for some
directory(if all directory can synchronize , then very very good),
Means when we write a file in A cluster, this file can auto sync to
B cluster, and when we create a file or directory on B Cluster, this
file or directory can auto sync to A Cluster.
our question is does there any best practices to do that on CephFS?
Thanks in advance!
Thanks,
zx
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