RAL Tier1 weekly operations castor 20/09/2013

Operations News

• All cmsTape disk servers scheduled for redeployment have been removed from CASTOR
• ATLAS have modified timing of their deletion scripts for ATLASSCRATCHDISK to circumvent timeout problems observed.
  • The underlying cause of these is still not understood
• Kernel and errata updates have been performed on preprod, with Bruno and Chris working on vcert
• Rob believes he has a solution to stop SRMs logging into older files but needs a kernel update and reboot.
  • porstoned until next week

Operations Problems

• There was an dblink errror observed on production (as seen before on facilities)
  • Problem was resolved in the same manor with a (almost) minimum of downtime
  • This should also be applied to the standby (John to investigate)
• ATLAS hammercloud tasts have shown large but intermittent failure rates; the cause is under investigation (Alastair)
• Brian belives there are about 1.5M files in scratch disk which are dark
  • Shaun to start off a namespace dump of scratch disk
• No progress on HBASE logging

Blocking Issues

• none

Planned, Scheduled and Cancelled Interventions

Entries in/planned to go to GOCDB

• none

Advanced Planning

Tasks

• CASTOR 2.1.14 + SL6 testing, once 2.1.14 is released.

Interventions

• none

Staffing

• Castor on Call person
  • Rob
• Staff absence/out of the office:
  • (Mon-Thu) Matt at RDA
  • (Wed-Thu) Shaun at EUDAT