Agenda-22-07-2013

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Contents


1. Middleware releases and staged rollout

1.1 News from URT

1.2 Staged rollout updates

2 Operational issues

2.1 Updates from DMSU

gridsite causes WMS delegation problems

see details in GGUS #95559 GGUS #95646 GGUS #95882

The latest release of gridsite (1.7.26 in EMI-2 and 2.1.0-1 in EMI-3) doesn't allow the '-' character to be used in the proxies delegation when submitting through a WMS server.

This causes many intermittent errors in the delegation of proxies on both EMI-2 and EMI-3 WMS servers:

Warning - Unable to delegate the credential to the endpoint: https://wms014.cnaf.infn.it:7443/glite_wms_wmproxy_server
Unknown Soap fault
Method: Soap Error

and in the wmproxy.log there is the following error message:

09 Jul, 15:35:33 -I- PID: 982 - "wmpgsoapoperations::delegationns__putProxy": ------------------------------- Fault description --------------------------------
09 Jul, 15:35:33 -I- PID: 982 - "wmpgsoapoperations::delegationns__putProxy": Method: putProxy
09 Jul, 15:35:33 -I- PID: 982 - "wmpgsoapoperations::delegationns__putProxy": Code: 60
09 Jul, 15:35:33 -I- PID: 982 - "wmpgsoapoperations::delegationns__putProxy": Description: Proxy exception: Unable to store client Proxy
09 Jul, 15:35:33 -D- PID: 982 - "wmpgsoapoperations::delegationns__putProxy": Stack:
09 Jul, 15:35:33 -D- PID: 982 - "wmpgsoapoperations::delegationns__putProxy": ProxyOperationException: Proxy exception: Unable to store client Proxy
at putProxy()[../../../src/security/delegation.cpp:176]
at putProxy()[../../../src/security/delegation.cpp:153]
at putProxy()[../../../src/server/operations.cpp:605]

09 Jul, 15:35:33 -I- PID: 982 - "wmpgsoapoperations::delegationns__putProxy": ----------------------------------------------------------------------------------
09 Jul, 15:35:33 -D- PID: 982 - "wmpgsoapoperations::delegationns__putProxy": putProxy operation completed

The developers are preapring the fix. In the meantime, as a temporary workaround, downgrade to the previous version of gridsite:

StoRM 1.11.1 performance problems

see details in 95700

In the latest STORM EMI-3/SL6 version it was found several load issues: in particular a lot of thread was generated, reaching the limit of 1024 in /etc/security/limits.conf . Even increasing the limit, the number of threads increase as well, and the service performance is very low. The issue is under investigation.

It seems there are two problems. The main problem is related to the interaction with mysql (slow queries make the latency for transfer operations steadily increase). Because of the latency, the StoRM gets a lot of abort requests. And then the second problem: every abort command creates a new thread that keeps alive until garbage collection. The fix for both problems is under testing.

2.2 Problem with the VOMS resource BDII

As reported in a GGUS ticket by INFN-Padova, and by other sites, there are issues with the VOMS server and the openLDAP on the service. The openLDAP does not start, this is happening with the newer versions of BDII-core.

The problem is under investigation, but the missing resource BDII is causing the midmon probes for SHA-2 support to fail. Probes are off now, but the false positive alarms are still there.

3. AOB

3.2 Next meeting

Proposed date for the next meeting is August 19th 2013, 14:00 CEST

4. Minutes

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