RAL Tier1 weekly operations castor 11/8/2017
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. Special topics
6. Actions
7. Anything for CASTOR-Fabric?
8. AoTechnicalB
9. Availability for next week
10. On-Call
11. AoOtherB
Operation problems
Atlas SRMs stop working on Thu evening with no apparent reason RT193370
Ongoing problem with low HC xrootd rates for CMS GGUS129883
gdss753 (atlasStripInput) was removed from production due to hdd failure
Operation news
Rolled out new version of ral-castor-tools
Tape verification servers have been upgraded to SL6
Plans for next week
CASTOR upgrade on Facilities
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 instances of a CASTOR generic headnode
Drain and decomission/recomission the 12 generation disk servers
Special actions
Future CASTOR upgrade methodology: CERN need to provide RAL with a customed DB downgrade script for the on-the-fly CASTOR upgrade procedure
Actions
Ensure that Fabric is on track with the deployment of the new DB hardware
RA to ensure that proper Nagios checks are in place 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
Ensure that httpd on lcgcadm04 is up and running and the machine points to the right DB RT191377
Staffing
All in