On Sun, Sep 21, 2014 at 02:33:09PM +0900, Christian Balzer wrote: > > For a variety of reasons, none good anymore, we have two separate Ceph > > clusters. > > > > I would like to merge them onto the newer hardware, with as little > > downtime and data loss as possible; then discard the old hardware. > > > > Cluster A (2 hosts): > > - 3TB of S3 content, >100k files, file mtimes important > > - <500GB of RBD volumes, exported via iscsi > > > > Cluster B (4 hosts): > > - <50GiB of S3 content > > - 7TB of RBD volumes, exported via iscsi > > > > Short of finding somewhere to dump all of the data from one side, and > > re-importing it after merging with that cluster as empty; are there any > > other alternatives available to me? > > > > Having recently seen a similar question and the answer by the Ceph > developers, no. > As in there is no way (and no plans) for merging clusters. > > There are export functions for RBD volumes, not sure about S3 and the > mtimes as I don't use that functionality. Can somebody else make comments about migrating S3 buckets with preserved mtime data (and all of the ACLs & CORS) then? -- Robin Hugh Johnson Gentoo Linux: Developer, Infrastructure Lead E-Mail : robbat2 at gentoo.org GnuPG FP : 11ACBA4F 4778E3F6 E4EDF38E B27B944E 34884E85
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