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VDT Office Hours 15-September-2005



Mike Wilde and Jens Voeckler from the Virtual Data System (VDS). They want to know when VDT 1.3.7 will be released (about two weeks). We expect that they can drop in the new VDS anytime before we release without difficulty, but to make it as smooth as possible, they will give us a pre-release that we can try out. We do nightly testing, so they will help shake out some bugs.

The VDC schema has changed, so users will need to make some updates to continue using the VDS. Jens will send a message about this that we will include in the post-install/README as a warning.

They would like us to integrate some of their tests in our nightly test suite. We think this is a great idea, and we can start doing that for VDT 1.3.8.

They have some scripts to help do configuration during installation. They aren't quite ready, but we'll start trying to use them for VDT 1.3.8.

GT4 issues

The VDT team continues to have problems. Alain Roy will provide Stu Martin and Peter Lane with logins so that they can help debug.

Stu provided suggestions on Alain's problems for getting the batch system interfaces pre-compiled (patch of skip make install). Alain will act on these as quickly as possible.

Mike Wilde asked how GT4 will be packaged in the VDT: We distributed a series of tarball for which we don't use GPT, except for gpt-postinstall. We include WSGRAM, WSMDS, RFT, and the Delegation Service. We don't automatically start up the globus container yet, but we will soon. We could use Tomcat, but we'll wait--probably VDT 1.3.8

Alain asked about permission: if we install as root (because we have to install a bunch of stuff as root) can we get web services Globus to work as the globus user? The recommendation was to do "chown -R globus.globus", and to open up the permission on the tmp and var directories to allow the root services (like GridFTP) to work at the same time.

Mike asked about information providers for MDS. Right now, we just have what ships with GT4.

Grid Exerciser

Ruth would like the GridExerciser to work on USCMS sites--there are about 7 of them. We agreed on three steps to getting this to work:

Offiste Offreach

Ruth would like two sites in Brazil and one site in Taiwan to be able to attend the weekly VDT office hours, but the phone calls are very expensive for them. What are good options? Alain suggested that they can use Skype's IP to telephone service, which costs about $0.02 per minute. If that's not a good solution for them, we can investigate other technological solutions. Alain wants to be careful not to choose a solution that makes it too difficult for people to join in: telephone has the advantage for being trivial for many people to use.


Ruth asked about CEMon. It will be in VDT 1.3.7, but it's not perfect yet and may not work on all platforms.

Clarens & JobMon

Conrad wanted to know about the schedule for VDT 1.3.7 (about two weeks) and wanted to know if JobMon could be included, since that's the immediate impetus for adding Clarens. It sounds like it should be quite straightforward (drop in 3 files), so the answer is "probably yes". Conrad will send us the JobMon code, and will look into tests for JobMon so we can test it in our nightly tests


Vikram wanted help with his PRIMA build. It was hard to debug without seeing logs, so Alain asked him to send him the NMI build id, and promised to look at it quickly.