[lustre-devel] HSM phase 2 HLD / Roadmap?
paf at cray.com
Tue Jun 16 08:28:53 PDT 2015
Could you expound on "Better integration with DNE"? I'm not immediately
clear on what that might mean.
On 06/16/2015 10:21 AM, Dilger, Andreas wrote:
> I think there are a few features that would be of interest for HSM
> * optimization of RobinHood database/POSIX copytool
> * better integration with DNE
> * partial file restore using composite files
> * change HSM to use LOV EA layout instead of dedicated xattr
> * allowing a larger HSM archive ID (e.g. 128-bit UUID) so it can be
> used as the primary archive identifier instead of Lustre FID
> * archive/restore of directory trees from the MDT as tarballs
> * allow release/restore of space from the MDT
> * would be needed for handling Data-on-MDT files
> Note that we don't have any plans to work on this, just listing some ideas
> percolating in my brain.
> Cheers, Andreas
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