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ARC 15.03 update 19

The Advanced Resource Connector (ARC) middleware is an Open Source software solution to enable distributed computing infrastructures with the emphasis on processing large volumes of data. ARC provides an abstraction layer over computational resources, complete with input and output data movement functionalities. The security model of ARC is identical to that of Grid solutions, relying on delegation of user credentials and the concept of Virtual Organisations. ARC also provides client tools, as well as API in C++, Python and Java.

Release notes

This is a bugfix release, mainly to address how ARC counts HELD jobs in Condor. The request was made through discussions in the wlcg-arc-ce-discuss email list.

In addition, this release includes some packaging related changes, and a couple of other small bugfixes.

This changes the following component versions:

  • ARC core, clients, CE, Infosys and gridftp -from version 5.4.2 to 5.4.3
  • documents - from version 2.0.19 to 2.0.20

No changes in gangliarc, nagios plugins or metapackages.

Find more details at

davix 0.6.9

davix is a C++ toolkit for advanced I/O on remote resources with HTTP based protocols.

Release notes:

dCache 3.2.38

dCache provides a system for storing and retrieving huge amounts of data, distributed among a large number of heterogeneous server nodes, under a single virtual filesystem tree with a variety of standard access methods.

Detailed release notes on the official product site:

DPM 1.10.4 and dpm-xrootd 3.6.6

The Disk Pool Manager (DPM) is a lightweight storage solution for grid sites. It offers a simple way to create a disk-based grid storage element and supports relevant protocols (SRM, gridFTP, RFIO) for file management and access. It focus on manageability (ease of installation, configuration, low effort of maintenance), while providing all required functionality for a grid storage solution (support for multiple disk server nodes, different space types, multiple file replicas in disk pools)