RAL Tier1 weekly operations castor 30/6/2017

Draft agenda

1. Problems encountered this week

2. Upgrades/improvements made this week

3. What are we planning to do next week?

4. Long-term project updates (if not already covered)

  1. SL7 upgrade on tape servers
  2. SL5 elimination from CASTOR functional test boxes and tape verification server
  3. CASTOR stress test improvement
  4. Generic CASTOR headnode
  5. Virualisation of the CASTOR headnodes

5. Special topics

  1. Future CASTOR upgrade methodology

6. Actions

7. Anything for CASTOR-Fabric?

8. AoTechnicalB

9. Availability for next week

10. On-Call

11. AoOtherB

Operation problems

Problems with srmbed on Atlas SRMs RT190742

Operation news

A triger was deployed to the Atlas SRM DB to fix the issue of srmbed not staying up due to incoming requests with multiple slahes RT190742

Plans for next week

Roll-out of the WAN tuning params on all CASTOR Tier-1 instances

Long-term projects

SL6 upgrade on functional test boxes and tape verification server: aquilon configuration is complete for the functional test box, all Nagios tests are in place and a creation of HyperV VM is undeway to replace the old box. The test for tape verification server is pending.

Tape-server migration to aquilon and SL7 upgrade

CASTOR stress test improvement

Configure multiple instance of a CASTOR generic headnode

Vitualise CASTOR headnodes; Currently enquiring whether we move to VMware or HyperV

Actions

Ensure that Fabric is on track with the deployment of the new DB hardware

Drain and decomission/recomission the 12 generation disk servers

Investigate and, if necessary, eliminate prelink

Staffing

GP on call