Difference between revisions of "Tier1 Operations Report 2018-07-02"
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Revision as of 14:13, 2 July 2018
RAL Tier1 Operations Report for 2nd July 2018
Review of Issues during the week 25th June to the 2nd July 2018. |
- There is currently a scheduled three day period (July 24th - July 26th), where RAL Tier-1 will be undertaking server room circuit breaker testing. Although it is believed that these tests should not effect our services, such is the nature of these tests, all Tier-1 production services should be considered "At Risk" during this time. VOs are asked to give consideration with respect to possible unexpected outage to any high priority/critical jobs they may wish to run during this period.
- Tier-1 are currently undertaking a campaign of better keep a track of our smaller VOs and trying to provide a proactive approach to monitoring VOs usage (and where required, intervention).
Current operational status and issues |
- None.
Resolved Castor Disk Server Issues |
- None
Ongoing Castor Disk Server Issues |
- None.
Limits on concurrent batch system jobs. |
- CMS Multicore 550
Notable Changes made since the last meeting. |
- None.
Entries in GOC DB starting since the last report. |
Declared in the GOC DB |
- No downtime scheduled in the GOCDB for next 2 weeks
Advanced warning for other interventions |
The following items are being discussed and are still to be formally scheduled and announced. |
Listing by category:
- 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).
- 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 24th – 26th July. The effect of this on our services is anticipated to be minimal.
Open
GGUS Tickets (Snapshot taken during morning of the meeting). |
Request id | Affected vo | Status | Priority | Date of creation | Last update | Type of problem | Subject | Scope |
---|---|---|---|---|---|---|---|---|
135822 | cms | in progress | very urgent | 26/06/2018 | 29/06/2018 | CMS_Central Workflows | File Read Problems for Production at T1_UK_RAL | WLCG |
134685 | dteam | in progress | less urgent | 23/04/2018 | 11/06/2018 | Middleware | please upgrade perfsonar host(s) at RAL-LCG2 to CentOS7 | EGI |
124876 | ops | reopened | less urgent | 07/11/2016 | 28/06/2018 | Operations | [Rod Dashboard] Issue detected : hr.srce.GridFTP-Transfer-ops@gridftp.echo.stfc.ac.uk | EGI |
GGUS Tickets Closed Last week |
Request id | Affected vo | Status | Priority | Date of creation | Last update | Type of problem | Subject | Scope |
---|---|---|---|---|---|---|---|---|
135723 | lhcb | solved | top priority | 19/06/2018 | 28/06/2018 | File Transfer | lcgfts3 FTS server fails all transfers | WLCG |
135661 | atlas | closed | less urgent | 14/06/2018 | 28/06/2018 | Databases | RAL-LCG2: ATLAS RAL Frontier server down | WLCG |
135455 | cms | solved | less urgent | 31/05/2018 | 25/06/2018 | File Transfer | Checksum verification at RAL | EGI |
135367 | snoplus.snolab.ca | closed | less urgent | 28/05/2018 | 27/06/2018 | Other | Lost access to srm-snoplus.gridpp.rl.ac.uk | EGI |
135308 | mice | closed | top priority | 24/05/2018 | 27/06/2018 | Information System | Can't send data to RAL Castor | EGI |
135293 | ops | solved | less urgent | 23/05/2018 | 28/06/2018 | Operations | [Rod Dashboard] Issues detected at RAL-LCG2 | EGI |
Availability Report |
Target Availability for each site is 97.0% | Red <90% | Orange <97% |
Day | Atlas | Atlas-Echo | CMS | LHCB | Alice | OPS | Comments |
---|---|---|---|---|---|---|---|
2018-06-25 | 98 | 98 | 99 | 100 | 100 | 100 | |
2018-06-26 | 100 | 100 | 98 | 100 | 100 | 100 | |
2018-06-27 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-06-28 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-06-29 | 100 | 100 | 99 | 100 | 100 | 100 | |
2018-06-30 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-07-01 | 100 | 100 | 100 | 100 | 100 | 100 | |
2018-07-02 | - | - | - | 100 | 100 | 100 |
Hammercloud Test Report |
Target Availability for each site is 97.0% | Red <90% | Orange <97% |
Day | Atlas HC | CMS HC | Comment |
---|---|---|---|
2018/06/25 | 100 | 96 | |
2018/06/26 | 0 | 100 | 0 : No test run in time bin |
2018/06/27 | 0 | 58 | 0 : No test run in time bin |
2018/06/28 | 0 | 100 | 0 : No test run in time bin |
2018/06/29 | 0 | 92 | 0 : No test run in time bin |
2018/06/30 | 100 | 98 | |
2018/06/01 | 99 | 98 |
Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud
Notes from Meeting. |
- GGUS ticket this morning ref xrootd - failing request were hitting the external gateway - it shouldn't.
- Lots of transfers with similar failures. All failing requests hitting xrootd servers are from CMs - None from Atlas.
- Not enough resource to handle requests.
- - 1. If they talk to the internal gateway will be redirected to the external - though this is not confirmed
- - 2. Mapping within the node/docker container is failing. A failing config somewhere, but TB doesn't think it's our fault as Atlas is running ok for the same config.