ASCC Site Report Eric Yen & Simon C. Lin Academia Sinica 20 July 2005.

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Presentation transcript:

ASCC Site Report Eric Yen & Simon C. Lin Academia Sinica 20 July 2005

Plan for Taiwan Tier-1 Network Backup Path to T0 Primary Path to T0 (will install 10GE in 2006)

TW LCG Domestic Network (current) Every Link is already 10GE Every Link is already 10GE Type-2 is “direct-connect” Type-1 is passing through 3rd party facility or 3rd party network Type-2 is “direct-connect” Type-1 is passing through 3rd party facility or 3rd party network

AP Regional LCG Network (proposed) Solid lines between routers (circle) and switches (box) and networks are already exist. Solid lines between routers (circle) and switches (box) and networks are already exist. Solid lines between T2 and routers /switches /networks are already exist and/or proposed. Solid lines between T2 and routers /switches /networks are already exist and/or proposed. Dashed line are currently planned by ASnet and will be installed in Dashed line are currently planned by ASnet and will be installed in Type-2 is “direct-connect” Type-1 is passing through 3rd party facility or 3rd party network Type-2 is “direct-connect” Type-1 is passing through 3rd party facility or 3rd party network

SC test ASCC 2

Tier-1 ASCC Taipei User Interface (for CMS PhEDEx) File Transfer Service CASTOR Software installation(lcg00115, lcg00116, lcg00117, lcg00118) gridftp ready rfio ready srm installed Hardware installation 4TB Storage Resource available No Tape library available at this moment namespace /castor/grid.sinica.edu.tw/sc3/

lcg00115lcg00116lcg00117lcg TB name server stager rfiod srm gridftp rfiod srm gridftp rfiod srm gridftp rfiod srm gridftp Fibre channel UIFTSLFC fts.grid.sinica.edu.tw lfc.grid.sinica.edu.tw lcg00119.grid.sinica.edu.tw lcg00115:/flatfile/SE00/ lcg00116:/flatfile/SE00/ Note: Stager will manage following disk pool lcg00115:/flatfile/SE002TBdisk array lcg00116:/flatfile/SE002TBdisk array lcg00117:/flatfile/SE00nx250G local disk lcg00118:/flatfile/SE00nx250Glocal disk

Data Transfer Test Monthly Graph Iperf test – reach to 1600Mbits FTS / CMS data transfer – functionality test Gridftp work, but some problems with SRM (Solved early this week)

PHEDEX (Successful) Transfer Rate Castorgridsc → All sites Castorgrid → All sites

PHEDEX (Successful) Transfer Rate

Total amount of data successfully transferred

PHEDEX Transfer Quality

Summary Functionality testing is good. Need to find out the baseline parameters. Not enough storage space with SRM. Only one box is used for SC between CERN and Taiwan How much storage space is needed for SC? Will have 6 TB this week, and 10TB by September. Should the production resources could be integrated for SC? The Tape Library will be used. Resource Contention of Experiment and the general SC Improve the utilization of bandwidth Procurement of more storage is underway Preparation for ATLAS, CMS SC, and other AP T2 sites