RAL Tier1 weekly operations castor 30/6/2017
Contents
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 setup 5. Virtualisation 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
High rate of Atlas transfer failures of type "TRANSFER [70] TRANSFER globus_xio: Unable to connect to gdss644.gridpp.rl.ac.uk:51630 globus_xio: System error in connect: Connection refused globus_xio: A system call failed: Connection refused" GGUS129098
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
RA to ensure that proper Nagios checks are in plce for the xroot manager boxes
GP to talk to AL about service ownership/handover of the xroot manager boxes
RA to continue nagging Martin to replace Facilities headnodes
Staffing
RA on call until Thursday then GP