Difference between revisions of "Agenda-16-04-2012"
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** This version adds dependencies to OpenLdap 2.4 (increased stability), and reduces memory and disk usage | ** This version adds dependencies to OpenLdap 2.4 (increased stability), and reduces memory and disk usage | ||
** '''Note:''' This may not solve this specific issue, but it will increase the general BDII performance | ** '''Note:''' This may not solve this specific issue, but it will increase the general BDII performance | ||
=== 2.2 VOMS Admin fails notifying about exipiring membership === | |||
A [https://savannah.cern.ch/bugs/?93255 bug] was recently found affecting the VOMS Admin process of sending warning messages when user membership is about to expire. The VOMS Admin versions affected by the bug are: | |||
* gLite 3.2: versions 2.5.3-1 and 2.5.5-1 | |||
* EMI 1: VOMS Admin 2.6.1 | |||
== 4. AOB == | == 4. AOB == |
Revision as of 12:13, 16 April 2012
Main | EGI.eu operations services | Support | Documentation | Tools | Activities | Performance | Technology | Catch-all Services | Resource Allocation | Security |
Detailed agenda: Grid Operations Meeting 16 April 2012 14h00 Amsterdam time
EVO direct link | Pwd: gridops |
EVO details | Indico page |
1. Middleware releases and staged rollout
1.1 EMI-1 release status
1.2 Staged Rollout
2. Operational Issues
2.1 BDII instability
- On April 12th several Site-BDIIs in Ibergrid and NGI_IT were malfunctioning:
- Symptomps:
- Site-BDIIs failing SAM probes, failing attempts to restart them
- High CPU usage of LDAP services, even after the restart
- gLite3.2 and EMI services affected
- Similar problems may have affected the Top-BDIIs: the logs report that during the same period some of the Top-BDIIs in the HA cluster of Ibergrid were removed because not responsive.
- During the same hours a GEANT network problem was reported: in particular caused by a router in Geneva (12th April 2012 around 16 CET)
Possible connection between the problems (G.Borges):
- GEANT problem reported as intermittent
- Connections with the client -broken because of the network- remained pending (default timeout 60 seconds)
- Clients reconnected to the BDIIs multiplying the number of connections to the server, causing the effect of a sort of DoS attack
For all NGIs:
- Assess the status of Site-BDIIs and Top-BDIIs and report similar problems
- If possible, upgrade BDII instances to BDII Site 1.1.0
- This version adds dependencies to OpenLdap 2.4 (increased stability), and reduces memory and disk usage
- Note: This may not solve this specific issue, but it will increase the general BDII performance
2.2 VOMS Admin fails notifying about exipiring membership
A bug was recently found affecting the VOMS Admin process of sending warning messages when user membership is about to expire. The VOMS Admin versions affected by the bug are:
- gLite 3.2: versions 2.5.3-1 and 2.5.5-1
- EMI 1: VOMS Admin 2.6.1