On Wed, Jan 29, 2020 at 3:04 AM Frank Schilder <frans@dtu.dk> wrote:
I would like to (in this order)
- set the data pool for the root "/" of a ceph-fs to a custom value, say "P" (not the initial data pool used in fs new) - create a sub-directory of "/", for example "/a" - mount the sub-directory "/a" with a client key with access restricted to "/a"
The client will not be able to see the dir layout attribute set at "/", its not mounted.
The client gets the file layout information when the file is created (i.e. the RPC response from the MDS) . It doesn't have _any_ access to "/". It can't even stat "/".
Will the data of this client still go to the pool "P", that is, does "/a" inherit the dir layout transparently to the client when following the steps above?
Yes. -- Patrick Donnelly, Ph.D. He / Him / His Senior Software Engineer Red Hat Sunnyvale, CA GPG: 19F28A586F808C2402351B93C3301A3E258DD79D