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Berkeley Storage Manager ( BeStMan ) Alex Sim Scientific Data Management Research Group

Berkeley Storage Manager ( BeStMan ) Alex Sim Scientific Data Management Research Group Computational Research Division Lawrence Berkeley National Laboratory. BeStMan - 2. Berkeley Storage Manager ( BeStMan ) 2 Retains all functionalities of the previous BeStMan

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Berkeley Storage Manager ( BeStMan ) Alex Sim Scientific Data Management Research Group

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  1. Berkeley Storage Manager (BeStMan) Alex Sim Scientific Data Management Research Group Computational Research Division Lawrence Berkeley National Laboratory

  2. BeStMan-2 • Berkeley Storage Manager (BeStMan) 2 • Retains all functionalities of the previous BeStMan • SRM v2.2 implementation – interoperable and compatible to other implementations • Works on existing storages with posix-compatible file systems • Adaptable to special file systems and storages with customized plug-in • Supports multiple storage partitions • Supports pre-defined static space tokens • Easy adaptability and integration to special project environments • Supports multiple transfer protocols • Supports load balancing for multiple transfer servers • Supports grid-mapfile or GUMS server • Supports Gateway Mode for faster performance • Scales well with some file systems and storages, such as Xrootd and Hadoop • Improvements from the previous BeStMan • Jetty based web server container • Better performance in http connection handling through configurations • Updated dependency libraries • New packaging but the same setup process as the previous package

  3. A few benefits on adopting BeStMan • User access restriction to certain directory paths through configuration • User access control to files by owners/creators only • Site-specific customization on the load-balancing mechanism for transfer servers through plug-in • Site-specific customization on the file system i/o mechanism for special file system or storage system through plug-in • Plug-in extension for external archival storage systems • Works with other SRM v2.2 server and client implementations • Easy deployment and simple maintenance • Dynamic deployment and personal SRM • If the target host does not have an SRM, BeStMan can be downloaded, installed, configured, and started with a few commands (or a script) by the end-user for his/her own BeStMan.

  4. BeStMan SRM Clients • BeStMan SRM Clients • Supports all functionalities in SRM specification • Interoperable and compatible to other SRM server and client implementations • Supports multiple transfer protocols • Improvements from the previous client implementations • Updated dependency libraries • SRM Java API • A few new options to make user experiences better • SRM-Tester 3 • Retains all functionalities of the previous SRM-Tester 2 • Supports all functionalities in SRM specification • Updated dependency libraries

  5. Plans • Support focus on BeStMan-2 • Deprecating support for BeStMan • Support and features plans • BeStMan-2/3/4 • BeStMan SRM clients and Java API • SRM-Tester

  6. Documents and Support • BeStMan documents at LBNL • http://sdm.lbl.gov/bestman • https://sdm.lbl.gov/wiki/Software/BeStMan/BeStMan2Guide/ • https://sdm.lbl.gov/wiki/Software/BeStMan/BeStMan2Guide/BeStMan2FAQ • https://sdm.lbl.gov/wiki/Software/BeStMan/BeStMan2Guide/Reference • https://codeforge.lbl.gov/projects/bestman/ • https://codeforge.lbl.gov/projects/bestmancontrib/ • BeStMan release documentation at OSG • https://twiki.grid.iu.edu/bin/view/ReleaseDocumentation/Bestman • https://twiki.grid.iu.edu/bin/view/ReleaseDocumentation/BestmanGateway • https://twiki.grid.iu.edu/bin/view/ReleaseDocumentation/BestmanGatewayXrootd • https://twiki.grid.iu.edu/bin/view/ReleaseDocumentation/BestmanOnCE • https://twiki.grid.iu.edu/bin/view/ReleaseDocumentation/StorageEndUser • Contact and support • osg-storage@opensciencegrid.org • srm@lbl.gov

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