On Sun, Feb 5, 2012 at 6:21 PM, huang jun <hjwsm1989@xxxxxxxxx> wrote: > hi, all > Recently, we use s3 client cyberduck to add some files to RADOS, it > seems doesn't support objects named with prefix of '_'. > eg, if we put a object named "_test"(1 prefix "_") in bucket TEST, it > will store in RADOS in another name "___test"(3 prefix "_"). > but if we list bucket TEST, it sends op whoes oid is "__test"(2 > prefix "_"), result the RADOS return ENOENT err. That's a bug. From what I can tell, the bucket listing is broken (when object name starts with underscore). I created bug #2025 in the ceph tracker. > we trace the debug log,and found where it comes from: > in "translate_raw_obj" func of rgw_common.h, > if (obj.size() >= 2 && obj[1] == '_') { > obj = obj.substr(1); > return true; > } > why cut the obj name? The underscore serves as an escape character. Some object are created in a separate namespace, and the format for those objects is: _<namespace>_<obj name> These objects reside in the bucket, but may not be listable, and may not be accounted in the bucket stats. > what is "string ns" in struct rgw_obj doing here? Can't we just use > the origin obj name that passed object_name verfication? 'ns' is the namespace. I'm not sure what check you're pointing at, but we do need to handle the case where an object has a namespace different than the default one. Thanks, Yehuda -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html