Yes, sorry. I meant the RadosGW. I still do not know what the mechanism is to 
enable the mapping between data inserted by the rados component and the cephfs 
component. I hope that makes sense.

-Jon

From: David Turner [mailto:[email protected]]
Sent: Wednesday, June 28, 2017 2:46 PM
To: Lefman, Jonathan <[email protected]>; [email protected]
Subject: Re: [ceph-users] Mapping data and metadata between rados and cephfs

You want to access the same data via a rados API and via cephfs?  Are you 
thinking RadosGW?

On Wed, Jun 28, 2017 at 1:54 PM Lefman, Jonathan 
<[email protected]<mailto:[email protected]>> wrote:
Hi all,

I would like to create a 1-to-1 mapping between rados and cephfs. Here's the 
usage scenario:

1. Upload file via rest api through rados compatible APIs
2. Run "local" operations on the file delivered via rados on the linked cephfs 
mount
3. Retrieve/download file via rados API on newly created data available on the 
cephfs mount

I would like to know whether this is possible out-of-the-box; this will never 
work; or this may work with a bit of effort. If this is possible, can this be 
achieved in a scalable manner to accommodate multiple (10s to 100s) users on 
the same system?

I asked this question in #ceph and #ceph-devel. So far, there have not been 
replies with a way to accomplish this. Thank you.

-Jon

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