Operations Report 21/12/2009

Summary of Previous Week

Developments

• Tier1: Script to restore a full backup almost finalized. Few more test left to do.
• Castor: Modified backup policy to minimize load
• Castor: Added additional index on Stager ATLAS to improve performance of file migration from disks to tape
• Castor: CERN agent upgraded on Neptune

Operational Issues and Incidents

• DLF: crashed few times (~5). It seems related to power supply

Plans for Week(s) Ahead

• Tier1: Monitor database during OS kernel upgrade on disk servers tomorrow morning
• Tier1: Start to create a plan about migrating Tier1 databases back to EMC kit
• Tier1: Re-execute the ASM tests against the database when it is using the EMC
• Tier1: Monitor the Vulcan set up

Downtimes and At Risk

Description	Start	End	Affected VO(s)

Development Priorities

• Revalidate the ASM configuration when EMC are back in production
• CASTOR Database Monitoring
• Migrate ATLAS TAGs to 64bit systems
• Investigate ORACLE replication technique for LFC/FTS resilience
• Investigate hardware architecture, backup and recovery strategy, resilience and validation of restored backup.

Requirements and Blocking Issues

Description	Required By	Priority	Status
EMC kit	At least a week before going in production	High	Waiting
Hardware for Tag databases		Medium	Waiting
Hardware to test LFC database replication		Medium/high	Waiting

OnCall

• Eter/Rich