LIGO Data Replicator

...A lightweight tool for replicating heavyweight data...



Welcome to LDR

The LIGO Data Replicator (LDR) is a tool for making copies of or replicating data sets to the member sites of a Virtual Organization or DataGrid. It is built on top of well-known toolkits and packages including the Globus Toolkit, Python, MySQL, and Apache httpd.

Quick links

News

  • 8/7/2009: Version 0.9.4 is released. This is a bug fix release.

  • 7/14/2009: Version 0.9.3 is released. This is a bug fix release.

  • 7/10/2009: Version 0.9.2 is released. This is a bug fix release.

  • 6/29/2009: Version 0.9.1 is released. See the administrator's manual for deployment instructions.

  • 3/2/2007: Some notes from the January 18, 2007 meeting at Caltech have been posted, as well other bites of new documentation.

  • 9/12/2006: Version 0.8.0 is released. This release includes upgrades to using MySQL 5 and other software packages used by and included with LDR, as well as a few bug fixes and additional features. See the Documentation pages for a link to the Administrator's Guide with instructions for downloading, installing, configuring, and running LDR.

  • 10/11/2005: Version 0.7.0 is released. This release includes an upgrade to using the Globus Toolkit 4.0.1 along with (yet another) major revision of the metadata services. See the Documentation pages for a link to the Administrator's Guide with instructions for downloading, installing, configuring, and running LDR.

  • 2/17/2005: Version 0.6.0 is released. This release includes a major revision of the metadata services. See the Documentation pages for a link to the Administrator's Guide with instructions for downloading, installing, configuring, and running LDR.

  • 9/13/2004: Details about the upcoming LDR meeting at Birmingham University in the UK are available here.

  • 8/28/2003: Version 0.5.4 includes many bug fixes. It is intended as a maintenance release.

  • 7/30/2003: The LIGO Scientific Collaboration (LSC) held a LDR planning meeting in June and plans are well underway for the next major version of LDR. It will include upgrades to version 2.4 of the Globus Toolkit, the latest Globus RLS with support for bulk queries, a much improved installation and configuration scheme using Pacman (the package manager used by the GriPhyN and iVDGL projects for the Virtual Data Toolkit), a much improved database schema for metadata based on the Globus Metadata Catalog Service, and much more. We expect to release a preliminary version in September.

  • 4/3/2003: Version 0.5.3 includes many bug fixes and enhancements. LIGO/LSC early adopters should download, install, setup, configure, and run this version. Others are welcome to try it too!

  • 3/4/2003: Version 0.5.2 fixes a build bug for MyODBC. Only LIGO/LSC early adopters should download and install/setup this version.

  • 2/28/2003: Version 0.5.1 fixes some install/setup bugs. Only LIGO/LSC early adopters should download and install/setup this version.

  • 2/27/2003: Version 0.5.0 is available for download. Only LIGO/LSC early adopters should download and build/install this version.

  • 2/26/2003: We are busily working to get the first public version of LDR released, as well as a first rough cut of this website! Please stay tuned...

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Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.