Difference between revisions of "Tier1 Operations Report 2019-04-22"
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Latest revision as of 07:37, 24 April 2019
RAL Tier1 Operations Report for 22nd April 2019
Review of Issues during the week 15th April 2019 to the 22nd April 2019. |
- All pleasantly peaceful and quiet over the Easter holidays.
- CMS efficiency issue are still ongoing as is the investigation into same.
- LHCb are now fully ECHO'ed up. On-Call have been monitoring over the Easter period and so far all appears good.
Current operational status and issues |
Resolved Castor Disk Server Issues |
Machine | VO | DiskPool | dxtx | Comments |
---|---|---|---|---|
- | - | - | - | - |
Ongoing Castor Disk Server Issues |
Machine | VO | DiskPool | dxtx | Comments |
---|---|---|---|---|
- | - | - | - | - |
Limits on concurrent batch system jobs. |
- ALICE - 1000
Notable Changes made since the last meeting. |
- NTR
Entries in GOC DB starting since the last report. |
Service | ID | Scheduled? | Outage/At Risk | Start | End | Duration | Reason |
---|---|---|---|---|---|---|---|
- | - | - | - | - | - | - | - |
Declared in the GOC DB |
Service | ID | Scheduled? | Outage/At Risk | Start | End | Duration | Reason |
---|---|---|---|---|---|---|---|
- | - | - | - | - | - | - | - |
- No ongoing downtime
Advanced warning for other interventions |
The following items are being discussed and are still to be formally scheduled and announced. |
Listing by category:
- DNS servers will be rolled out within the Tier1 network.
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 | Solution |
---|---|---|---|---|---|---|---|---|---|
140773 | lhcb | in progress | top priority | 18/04/2019 | 18/04/2019 | Storage Systems | Removal of Echo unbearably slow | WLCG | |
140660 | cms | in progress | urgent | 09/04/2019 | 18/04/2019 | CMS_Central Workflows | FIle read issues for Workflows where data is located at T1_UK_RAL | WLCG | |
140447 | dteam | on hold | less urgent | 27/03/2019 | 16/04/2019 | Network problem | packet loss outbound from RAL-LCG2 over IPv6 | EGI | |
140220 | mice | in progress | less urgent | 15/03/2019 | 08/04/2019 | Other | mice LFC to DFC transition | EGI | |
139672 | other | in progress | urgent | 13/02/2019 | 08/04/2019 | Middleware | No LIGO pilots running at RAL | EGI |
GGUS Tickets Closed Last week |
Request id | Affected vo | Status | Priority | Date of creation | Last update | Type of problem | Subject | Scope | Solution |
---|---|---|---|---|---|---|---|---|---|
140758 | lhcb | solved | urgent | 17/04/2019 | 17/04/2019 | File Access | lhcbUser svcClass not working as it should ? | WLCG | Should be fixed now. |
140725 | cms | solved | urgent | 15/04/2019 | 16/04/2019 | CMS_Facilities | T1_UK_RAL intermittent xrootd relative failures | WLCG | reason is clear, more additional hardware is on the way. |
140599 | lhcb | verified | very urgent | 05/04/2019 | 18/04/2019 | File Access | Data access problem at RAL-LCG2 | WLCG | Files have been transferred out of this diskserver into ECHO |
140589 | lhcb | verified | very urgent | 04/04/2019 | 15/04/2019 | Local Batch System | Pilots killed at RAL-LCG2 | WLCG | As per Raja's comments, this original issue has now been resolved so ticket is being closed. |
140511 | cms | closed | urgent | 01/04/2019 | 16/04/2019 | CMS_Facilities | T1_UK_RAL SAM job run out of date | WLCG | Issue is related to SAM dashboard. |
140493 | atlas | closed | less urgent | 29/03/2019 | 15/04/2019 | File Transfer | UK RAL-LCG2 MCTAPE: transfer error with" Connection timed out," | WLCG | Hi xin wang,
This looks more like a problem with the source site, LRZ-LMU_DATADISK. The error message refers to the source URL at httpg://lcg-lrz-srm.grid.lrz.de:8443/srm/managerv2. Also, if I try to download from the source path, it gets stuck: gfal-copy srm://lcg-lrz-srm.grid.lrz.de:8443/srm/managerv2?SFN=/pnfs/lrz-muenchen.de/data/atlas/dq2/atlasdatadisk/rucio/mc16_13TeV/35/cb/HITS.17137527._002530.pool.root.1 . Can you assign a new ticket for LRZ-LMU? I hope it's OK for me to mark this ticket "solved". Please reopen if I was mistaken. Thanks, Tim. |
140467 | cms | closed | urgent | 28/03/2019 | 15/04/2019 | CMS_Data Transfers | Stuck file at RAL | WLCG | Stuck file had missing stripes and a zeroth stripe with zero size. This was deleted by hand and the errors stopped appearing. |
138665 | mice | closed | urgent | 04/12/2018 | 23/04/2019 | Middleware | Problem accessing LFC at RAL | EGI | As I understand it this ticket is has been superseded by https://ggus.eu/?mode=ticket_info&ticket_id=140220. As such I'm closing this ticket. Please feel free to reopen this ticket if you disagree. |
138033 | atlas | solved | urgent | 01/11/2018 | 18/04/2019 | Other | singularity jobs failing at RAL | EGI | Hi James,
looks good. The test I sent succeeded. Closing ticket. cheers alessandra |
Availability Report |
Day | Atlas | Atlas-Echo | CMS | LHCB | Alice | OPS | Comments |
---|---|---|---|---|---|---|---|
2019-04-15 | 100 | 100 | 99 | 100 | 100 | 100 | |
2019-04-16 | 100 | 100 | 100 | 100 | 100 | 100 | |
2019-04-17 | 100 | 100 | 100 | 100 | 100 | 100 | |
2019-04-18 | 100 | 100 | 100 | 100 | 100 | 100 | |
2019-04-19 | 100 | 100 | 100 | 100 | 100 | 100 | |
2019-04-20 | 100 | 100 | 100 | 100 | 100 | 100 | |
2019-04-21 | 100 | 100 | 100 | 100 | 100 | 100 | |
2019-04-22 | 100 | 100 | 100 | 100 | 100 | 100 | |
2019-04-23 | 100 | 100 | 98 | 97 | 83 | 100 |
Hammercloud Test Report |
Target Availability for each site is 97.0% | Red <90% | Orange <97% |
Day | Atlas HC | CMS HC | Comment |
---|---|---|---|
2019-04-15 | - | 80 | |
2019-04-16 | - | 96 | |
2019-04-17 | - | 100 | |
2019-04-18 | - | 98 | |
2019-04-19 | - | 98 | |
2019-04-20 | - | 99 | |
2019-04-21 | - | 97 | |
2019-04-22 | - | 98 | |
2019-04-23 | - | 90 |
Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud
Notes from Meeting. |