1. Project Overview GridPP Storage J Jensen GridPP storage workshop RHUL, April 2010

2. Strategic View “The GridPP storage group will provide and support storage middleware necessary and sufficient to Grid-enable storage at every GridPP site.” Strategic view needs to change

3. (GridPP3) Goals 1.Storage Element interfaces (SRM+GridFTP+IS) 1.GridFTP performance 2.IS accuracy 2.Deployment/upgrade/maintenance/ debugging 3.Standards compliance, interoperable 4.Usable storage

4. Things to Ponder for Workshop SRM xfer, access, info disks Dist’d filesystems Operations, catalogues, security, testing

5. Things to Ponder for the Workshop GridPP3 still has ~1yr to go

6. Last workshop – July 2009 Configuration/deployment revisited – cfengine, Quattor, puppet Procurement, monitoring STEP outcome reviewed – we did OK – Are we still doing OK…? Hammercloud – Old chestnuts: space alloc. and pledges, accurate publishing, ACLs, bottlenecks, networks, dark data, file://, load balancing, pool draining, stability – New chestnuts: hot files

7. Last workshop – July 2009 Future stuff: filesystems, virtualisation – ext4, ZFS Distributed filesystems (or “filesystems”) – Lustre, NFS4, GPFS, AFS, Hadoop, xrootd Integration of monitoring? Planning for investing, procurements

8. How does it fit Real Work™: Testing, Deploying, Operating Management: Strategy, Deliverables, Planning, Risks

9. Us and Them us them

10. Us and Them

11. So finally Thank you for coming Have a nice and productive workshop