On 09/22/2014 05:17 AM, Robin H. Johnson wrote: > Can somebody else make comments about migrating S3 buckets with > preserved mtime data (and all of the ACLs & CORS) then? I don't know how radosgw objects are stored, but have you considered a lower level rados export/import ? IMPORT AND EXPORT import [options] <local-directory> <rados-pool> Upload <local-directory> to <rados-pool> export [options] rados-pool> <local-directory> Download <rados-pool> to <local-directory> options: -f / --force Copy everything, even if it hasn't changed. -d / --delete-after After synchronizing, delete unreferenced files or objects from the target bucket or directory. --workers Number of worker threads to spawn (default 5)