Hope expert give me some light 2014-08-06 18:01 GMT+07:00 debian Only <onlydebian at gmail.com>: > I am confuse to understand how File store in Ceph. > > I do two test. where is the File or the object for the File > > ?rados put Python.msi Python.msi -p data > ?rbd -p testpool create fio_test --size 2048 > > rados command of ? means use Ceph as Object storage ? > rbd command of ? means use Ceph as Block storage ? > > As i known, object in Ceph is 4M by default. this Object will put in PG. > so i try do test as blow. the fio_test image store in Ceph by 512 object. > 512?object? * 4 = 2048 > and i can get object in testpool. > > # rbd -p testpool info fio_test > rbd image 'fio_test': > size 2048 MB in 512 objects > order 22 (4096 kB objects) > block_name_prefix: rb.0.1b6f.2ae8944a > format: 1 > # rados -p testpool ls |grep rb.0.1b6f.2ae8944a |wc -l > 512 > > > but when i check the data pool, only one file :Python.msi (26M), why not > split Python.msi to many object(4M) ????? > > t# rados ls -p pool-B > python.msi > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20140807/d8b0855c/attachment.htm>