Release: UMD-4.6.1

UMD 4.6.1 is a revision of the fourth Major release of UMD. It contains updated packages for CentOS7 and SL6.

Contact Info
For further information about the distribution, its goals and surrounding processes, and more information about how to engage as a Technology Provider with EGI, please send an Email to: cto (at)

Technical Contact Info
For any bugs and issues you encounter that are not described in the release notes of this release, or the related documentation provided by the Technology Providers, please visit the EGI Helpdesk ( to make a report.

Release Notes
This release contains the following product updates, both for CentOS7 and SL6:

  • APEL-SSM 2.2.0 - Added a check that certificates have not expired before starting SSM. SSL errors now propagated out properly and saved for received messages. Trimmed down the number of log messages generated for receivers. Added python-devel build requirement for non fedora-packager OSs (CentOS)
  • DPM 1.9.2 - This update includes releases 1.9.2 and lcgdm 0.19.0. It contains a fix for dpm-listspaces wrongly reporting 0 free space for pools See
  • XRootD 4.7.1 - various bug fixes
  • CVMFS server 2.4.4 - fix registration of chunk hashes without bulk hash and non-SHA1 hash algorithm: fix on geoapi. See
  • CVMFS 2.4.4 - react to a change of DNS server on macOS. See
  • APEL 1.6.1 - various fixes and improvements
  • frontier-squid 3.5.27-3.1 - includes an important configuration change to enable frontier clients to clear out certain types of cached errors

Additional Details

Installation Notes
All products in UMD 4.6.1 were verified against EGI's current Quality Criteria. Installation and configuration notes are available in the EGI repository.

Known Issues
Please visit for known issues.

Change Log
This release adds APEL-SSM 2.2.0, DPM 1.9.2, XRootD 4.7.1, CVMFS server 2.4.4, CVMFS 2.4.4, APEL 1.6.1, frontier-squid 3.5.27-3.1. All updates both for CentOS7 and SL6.

Repository URL

UMD-4.6.1 Products
ProductPlatforms SupportedProvided By
apel-ssm 2.2.0centos7/x86_64, sl6/x86_64APEL
dpm 1.9.2centos7/x86_64, sl6/x86_64DPM
xroot 4.7.1centos7/x86_64, sl6/x86_64EPEL
cvmfs-server 2.4.4centos7/x86_64, sl6/x86_64CERNVM
gridFTP 12.4.1centos7/x86_64, sl6/x86_64GLOBUS
gram-client 13.19.1centos7/x86_64, sl6/x86_64GLOBUS
lcgdm 0.19.0centos7/x86_64, sl6/x86_64CERN
cvmfs 2.4.4centos7/x86_64, sl6/x86_64CERNVM
apel 1.6.1centos7/x86_64, sl6/x86_64APEL
django 1.4.21sl6/x86_64DJANGO
squid 3.5.27centos7/x86_64, sl6/x86_64CERNFRONTIER

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