Difference between revisions of "Tier1 Operations Report 2018-03-27"
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Revision as of 14:23, 27 March 2018
RAL Tier1 Operations Report for 27th March 2018
Review of Issues during the week 21st to 27th March 2018 |
- The Castor intervention scheduled for 1st March that was cancelled owing to staff availability in the poor weather has taken place on Tuesday 27th March.
- CMS will be migrating data from Castor to Echo with this expected to start in a few weeks time.
Current operational status and issues |
- The problems with data flows through the site firewall being restricted is still present. New firewall equipment has been delivered and is scheduled for installation in a few weeks time.
Resolved Castor Disk Server Issues |
- gdss622 (d0t1) - genTape - Drive physically moved and re-cabled. Issue found with new cables not working, has now been resolved.
Ongoing Castor Disk Server Issues |
- None
Limits on concurrent batch system jobs. |
- CMS Multicore 550
Notable Changes made since the last meeting. |
Entries in GOC DB starting since the last report. |
- None
Declared in the GOC DB |
Service | Scheduled? | Outage/At Risk | Start | End | Duration | Reason |
---|---|---|---|---|---|---|
All Castor | SCHEDULED | OUTAGE | 27/03/2018 10:00 | 27/03/2018 16:00 | 6 hours | Outage to Castor Storage System while back-end databases are patched. During the intervention both Castor disk and tape will be unavailable. |
Advanced warning for other interventions |
The following items are being discussed and are still to be formally scheduled and announced. |
- Replacement (upgrade) of RAL firewall scheduled for a few weeks time.
Listing by category:
- Echo
- Applying minor CEPH update to fix the "backfill" bug. Increase number of placement groups and add more capacity.
- Castor:
- Update systems to use SL7 and configured by Quattor/Aquilon. (Tape servers done)
- Move to generic Castor headnodes.
- Networking
- Extend the number of services on the production network with IPv6 dual stack. (Done for Perfsonar, FTS3, all squids and the CVMFS Stratum-1 servers).
- Replacement (upgrade) of RAL firewall.
- Internal
- DNS servers will be rolled out within the Tier1 network.
- Infrastructure
- Testing of power distribution boards in the R89 machine room is being scheduled for some time late July / Early August. The effect of this on our services is being discussed.
Open GGUS Tickets (Snapshot during morning of meeting) |
Request id | Affected vo | Status | Priority | Date of creation | Last update | Type of problem | Subject | Scope |
---|---|---|---|---|---|---|---|---|
117683 | none | on hold | less urgent | 18/11/2015 | 09/03/2018 | Information System | CASTOR at RAL not publishing GLUE 2 | EGI |
124876 | ops | on hold | less urgent | 07/11/2016 | 13/11/2017 | Operations | [Rod Dashboard] Issue detected : hr.srce.GridFTP-Transfer-ops@gridftp.echo.stfc.ac.uk | EGI |
127597 | cms | on hold | urgent | 07/04/2017 | 20/03/2018 | File Transfer | Check networking and xrootd RAL-CERN performance | EGI |
132589 | lhcb | in progress | very urgent | 21/12/2017 | 14/03/2018 | Local Batch System | Killed pilots at RAL | WLCG |
133992 | atlas | in progress | less urgent | 12/03/2018 | 15/03/2018 | File Transfer | RAL-LCG2-ECHO: No such file or directory | EGI |
134030 | other | waiting for reply | less urgent | 14/03/2018 | 27/03/2018 | Other | request to replicate larsoft.opensciencegrid.org cvmfs repository | EGI |
134136 | atlas | in progress | less urgent | 20/03/2018 | 27/03/2018 | File Transfer | RAL-LCG2: [SE][Ls][SRM_INVALID_PATH] No such file or directory | EGI |
GGUS Tickets Closed Last week |
Request id | Affected vo | Status | Priority | Date of creation | Last update | Type of problem | Subject | Scope |
---|---|---|---|---|---|---|---|---|
133619 | cms | solved | top priority | 21/02/2018 | 19/03/2018 | CMS_Central Workflows | T1_UK_RAL Unmerged files missing | WLCG |
133717 | cms | verified | less urgent | 27/02/2018 | 19/03/2018 | CMS_Data Transfers | RAL FTS3 Service: Significant Drop in Transfer Efficiency | WLCG |
133719 | atlas | solved | urgent | 27/02/2018 | 14/03/2018 | File Transfer | Transfers to RAL-LCG2-ECHO failing | WLCG |
133752 | atlas | solved | very urgent | 01/03/2018 | 14/03/2018 | File Transfer | RAL FTS service appears broken | WLCG |
133764 | snoplus.snolab.ca | solved | very urgent | 01/03/2018 | 14/03/2018 | Information System | BDII missing SFU information | EGI |
133997 | lhcb | verified | urgent | 13/03/2018 | 14/03/2018 | File Access | Bad data was encountered | WLCG |
134037 | lhcb | solved | very urgent | 15/03/2018 | 20/03/2018 | File Access | File access problem at RAL-LCG2 | WLCG |
134042 | dteam | solved | top priority | 15/03/2018 | 15/03/2018 | Other | Test Ticket. | WLCG |
134095 | lhcb | solved | urgent | 16/03/2018 | 21/03/2018 | File Access | Bad data encountered | WLCG |
134147 | alice | solved | urgent | 20/03/2018 | 20/03/2018 | Storage Systems | RAL tape SE for ALICE failing since March 14 | WLCG |
Availability Report |
Day | ALICE | ATLAS | ATLAS-ECHO | CMS | LHCb | OPS | Comment |
---|---|---|---|---|---|---|---|
2018-03-07 | 100 | 100 | 100 | 99 | 100 | 100 | |
2018-03-08 | 100 | 100 | 100 | 98 | 100 | 100 | |
2018-03-09 | 100 | 100 | 100 | 98 | 100 | 100 | |
2018-03-10 | 100 | 100 | 100 | 97 | 100 | 100 | |
2018-03-11 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-03-12 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-03-13 | 100 | 98 | 100 | 100 | 100 | 100 |
Hammercloud Test Report |
Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud
Day | Atlas HC | CMS HC | Comment |
---|---|---|---|
2018/03/14 | 94 | 99 | |
2018/03/15 | 84 | 100 | |
2018/03/16 | 100 | 100 | |
2018/03/17 | 100 | 100 | |
2018/03/18 | 95 | 100 | |
2018/03/19 | 93 | 100 | |
2018/04/20 | 100 | 100 |
Notes from Meeting. |
- CMS will be migrating data from Castor to Echo with this expected to start in a few weeks time.