Difference between revisions of "Tier1 Operations Report 2019-02-18"
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* ARC-CE upgrades are continuing. ARC-CE04 and ARC-CE05 have now been upgraded and have been returned to production status. ARC-03 is currently being drained prior to upgrade and ARC-CE02 and ARC-CE01 will follow after that. | * ARC-CE upgrades are continuing. ARC-CE04 and ARC-CE05 have now been upgraded and have been returned to production status. ARC-03 is currently being drained prior to upgrade and ARC-CE02 and ARC-CE01 will follow after that. | ||
* Echo experienced several thousand slow/blocked/stuck requests early Sunday morning (17/02/19). There were a large number of call-outs for an approximately 1 hour period (starting ~01:30). It is currently suspected that there was internal RAL "network weirdness". The investigation of this issue is continuing. | * Echo experienced several thousand slow/blocked/stuck requests early Sunday morning (17/02/19). There were a large number of call-outs for an approximately 1 hour period (starting ~01:30). It is currently suspected that there was internal RAL "network weirdness". The investigation of this issue is continuing. | ||
− | * Over the weekend CASTOR experienced a disproportionately large number of transfer requests from clients based at CERN. Although CASTOR wobbled a bit it didn't die however performance was impacted. The investigation into this issue is ongoing. | + | * Over the weekend CASTOR Alice experienced a disproportionately large number of transfer requests from clients based at CERN. Although CASTOR Alice wobbled a bit it didn't die however performance was impacted. The investigation into this issue is ongoing. |
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Latest revision as of 14:06, 20 February 2019
RAL Tier1 Operations Report for 18th February 2019
Review of Issues during the week 11th February 2019 to the 18th February 2019. |
- ARC-CE upgrades are continuing. ARC-CE04 and ARC-CE05 have now been upgraded and have been returned to production status. ARC-03 is currently being drained prior to upgrade and ARC-CE02 and ARC-CE01 will follow after that.
- Echo experienced several thousand slow/blocked/stuck requests early Sunday morning (17/02/19). There were a large number of call-outs for an approximately 1 hour period (starting ~01:30). It is currently suspected that there was internal RAL "network weirdness". The investigation of this issue is continuing.
- Over the weekend CASTOR Alice experienced a disproportionately large number of transfer requests from clients based at CERN. Although CASTOR Alice wobbled a bit it didn't die however performance was impacted. The investigation into this issue is ongoing.
Current operational status and issues |
Resolved Castor Disk Server Issues |
Machine | VO | DiskPool | dxtx | Comments |
---|---|---|---|---|
gdss811 | LHCb | lhcbDst | d1t0 | - |
Ongoing Castor Disk Server Issues |
Machine | VO | DiskPool | dxtx | Comments |
---|---|---|---|---|
gdss776 | LHCb | lhcbDst | d1t0 | - |
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 |
---|---|---|---|---|---|---|---|
ARC-CE | 26729 | Yes | Outage | 12/2/2019 16:30 | 19/2/2019 14:00 | 7 Days | ARC-CE draining and upgrade to ARC v5.4.3 |
Declared in the GOC DB |
Service | 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 |
---|---|---|---|---|---|---|---|---|
139723 | atlas | waiting for reply | less urgent | 15/02/2019 | 18/02/2019 | Data Management - generic | permissions on scratchdisk | EGI |
139672 | other | in progress | less urgent | 13/02/2019 | 19/02/2019 | Middleware | No LIGO pilots running at RAL | EGI |
139639 | cms | waiting for reply | very urgent | 12/02/2019 | 18/02/2019 | CMS_AAA WAN Access | file open error at RAL | WLCG |
139476 | mice | in progress | less urgent | 01/02/2019 | 06/02/2019 | Other | LFC dump | EGI |
139306 | dteam | in progress | less urgent | 24/01/2019 | 15/02/2019 | Monitoring | perfsonar hosts need updating | EGI |
138665 | mice | on hold | urgent | 04/12/2018 | 30/01/2019 | Middleware | Problem accessing LFC at RAL | EGI |
138500 | cms | in progress | urgent | 26/11/2018 | 12/02/2019 | CMS_Data Transfers | Transfers failing from T2_PL_Swierk to RAL | WLCG |
138361 | t2k.org | in progress | less urgent | 19/11/2018 | 31/01/2019 | Other | RAL-LCG2: t2k.org LFC to DFC transition | EGI |
138033 | atlas | in progress | urgent | 01/11/2018 | 31/01/2019 | Other | singularity jobs failing at RAL | EGI |
137897 | enmr.eu | on hold | urgent | 23/10/2018 | 31/01/2019 | Workload Management | enmr.eu accounting at RAL | EGI |
GGUS Tickets Closed Last week |
Request id | Affected vo | Status | Priority | Date of creation | Last update | Type of problem | Subject | Scope |
---|---|---|---|---|---|---|---|---|
139575 | cms | solved | urgent | 07/02/2019 | 13/02/2019 | CMS_AAA WAN Access | T1_UK_RAL SAM xrootd reads failing | WLCG |
139477 | ops | verified | less urgent | 01/02/2019 | 13/02/2019 | Operations | [Rod Dashboard] Issue detected : org.nordugrid.ARC-CE-submit-ops@arc-ce04.gridpp.rl.ac.uk | EGI |
139380 | cms | closed | urgent | 29/01/2019 | 14/02/2019 | CMS_Facilities | T1_UK_RAL failing SAM tests inside Singularity | WLCG |
139375 | atlas | closed | urgent | 29/01/2019 | 18/02/2019 | Other | RAL-LCG2 transfers fail with "the server responded with an error 500" | WLCG |
139328 | cms | closed | urgent | 25/01/2019 | 12/02/2019 | CMS_Facilities | T1_UK_RAL SRM tests failing | WLCG |
139312 | cms | closed | urgent | 25/01/2019 | 12/02/2019 | CMS_Data Transfers | Corrupted files at RAL_Buffer? | WLCG |
139245 | cms | closed | urgent | 21/01/2019 | 18/02/2019 | CMS_Data Transfers | Transfers failing from CNAF_Disk to RAL_Buffer | WLCG |
138891 | ops | verified | less urgent | 17/12/2018 | 13/02/2019 | Operations | [Rod Dashboard] Issue detected : egi.eu.lowAvailability-/RAL-LCG2@RAL-LCG2_Availability | EGI |
Availability Report |
Day | Atlas | Atlas-Echo | CMS | LHCB | Alice | OPS | Comments |
---|---|---|---|---|---|---|---|
2019-02-12 | 100 | 100 | 100 | 100 | 96 | 92 | |
2019-02-13 | 100 | 100 | 100 | 100 | 100 | 52 | |
2019-02-14 | 100 | 100 | 99 | 100 | 93 | 100 | |
2019-02-15 | 100 | 100 | 100 | 100 | 91 | 100 | |
2019-02-16 | 100 | 100 | 97 | 100 | 87 | 100 | |
2019-02-17 | 100 | 100 | 100 | 100 | 91 | 100 | |
2019-02-18 | 100 | 100 | 100 | 100 | 84 | 100 | |
2019-02-19 | 83 | 74 | 79 | 100 | 94 | 100 |
Hammercloud Test Report |
Target Availability for each site is 97.0% | Red <90% | Orange <97% |
Day | Atlas HC | CMS HC | Comment |
---|---|---|---|
2019-01-23 | 100 | 98 | |
2019-01-24 | 100 | 98 | |
2019-01-25 | 100 | 98 | |
2019-01-26 | 100 | 91 | |
2019-01-27 | 100 | 97 | |
2019-01-28 | 100 | 93 | |
2019-01-29 | 100 | 98 |
Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud
Notes from Meeting. |