The next teleconference of the OGSA Data Architecture working group will be held on Wednesday, April 19th, 2006 at the usual time of 8:00am Pacific / 11:00am Eastern / 4:00pm UK / 5:00pm Europe. Here is the teleconference information: UK dialin: 0845 245 0224 US dialin: 1 866 838 0046 Intl dialin: +44 1452 542309 Passcode: 275359 Draft agenda for the April 19th teleconference: 1) Early discussion (5 minutes) Note taker assignment Roll call Minutes Approval Agenda bashing 2) Action report (5 minutes) - Allen to review architecture document for more places where we need to mention storage. - Stephen & Dave to review scenarios doc from a storage perspective. - Stephen & Dave to add interfaces to the scenarios doc. - Stephen to draft GFS scenario. - Stephen to draft provenance scenario. - Dave to draft metadata catalog scenario & services (cf. SRB) - Allen to talk to Tom Maguire about EMC's view of SRM. - Dave to forward old message about interface description. - Stephen to add a paragraph to the architecture document about reasons for naming, if still needed after Allen's revisions. - Ann to check the Access section for suitability for file replication. - Neil to update the ByteIO subsection; then Allen to put latest version online. - Section authors review security aspects of their sections. - Allen/Dave to contact David Martin & Hiro Kishimoto to get reviewers & expert participation. 3) Progress report and issues arising (15 minutes) - Storage in the architecture document - Adding interfaces in scenarios - Provenance scenario - Operations to add data elements to replication systems - Metadata operations 4) Planning for GGF17 (10 minutes) Allen has booked a slot for the Friday morning. Chris is hoping to be there, as will Neil. 5) Slides for OGSA webcast (10 minutes) I've been asked to provide data slides for next week's OGSA webcast. The current draft for the webcast slides can be found at http://tinyurl.com/o5v8u. 6) Planning (10 minutes) We need to schedule work and discussion of the following: 1. Review of latest data arch doc - Need ByteIO input, then Allen to put latest version online. 2. Interfaces for arch doc - can we arrange a F2F? 3. Interfaces for scenarios doc - Stephen & Dave. 4a. Review architecture from storage perspective (including security) - Allen 4b. Review scenarios from storage perspective - Stephen & Dave. 5. New GFS scenario - Stephen. 6. New Provenance scenario - Stephen 8. Discussion of DAIS (and ByteIO?) specs - due Apr 10th. 9. Metadata catalog scenario & services (cf. SRB) - Dave? 7) Wrap up (5 minutes) Topics for future meetings Dave Berry Deputy Director, Research & E-infrastructure Development National e-Science Centre, 15 South College Street Edinburgh, EH8 9AA +44 131 651 4039