Re: Use of daily-created/-deleted pools

[Hyangtack Lee <hyangtack@xxxxxxxxx>]

Hi Lopez,

Thank you for recommendation! I will try to do it. :)

Regards,

Hyangtack

On Wed, Feb 12, 2014 at 2:28 PM, Jean-Charles Lopez <jc.lopez@xxxxxxxxxxx> wrote:

Hi Lee

You could use an Ceph RBD device on a server and export a directory that you would have created on this RBD though NFS.

3 days after the files are uploade, you could snapshot the RBD device, delete the directory containing the files, and a week later, when sure you do not need the snapshot for a restore, remove the s'apshot.

Hope this can help

Rgds

JC

On Tuesday, February 11, 2014, Hyangtack Lee <hyangtack@xxxxxxxxx> wrote:

I'm new to Ceph, and looking for a new storage to replace legacy system.

My system has a lot of files accessing temporarily for 2 or 3 days.

Those files are uploaded from many clients everyday, and batch job deletes unused files everyday.

In this case, can I use Ceph's pool to store daily uploaded files?

Scenario is like below:

1. create daily pool, e.g. pool-2014-02-12

2. store files to the pool

3. After 3 days, remove the pool created at step 1.

Is it possible? Is there anyone trying like this?

Or, can you recommend a good way to delete a group of files(i.e. a directory on posix fs) on Ceph? 

According to http://ceph.com/docs/master/cephfs/, Ceph FS is currently not recommended for production data. So I exclude Ceph FS from my list and focus on Ceph Storage Cluster accessing by librados.

Thanks in advance.

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