RAL Tier1 Operations Report for 21st May 2018
Review of Issues during the week 14th May to the 21st May 2018.
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- Production has had a reasonably quite week. We have had a noticeable spike in drive failures for LHCb, however we have not had the need to declare data loss.
Current operational status and issues
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Resolved Castor Disk Server Issues
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- gdss700 (lhcbDst- D1T0) - Back in production RW
- gdss711 (lhcbDst- D1T0) - Back in production RO
Ongoing Castor Disk Server Issues
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- gdss732 (lhcbDst- D1T0) - Currently in intervention
Limits on concurrent batch system jobs.
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Notable Changes made since the last meeting.
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Entries in GOC DB starting since the last report.
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Advanced warning for other interventions
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The following items are being discussed and are still to be formally scheduled and announced.
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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 some time late July / Early August. The effect of this on our services is being discussed.
Open
GGUS Tickets (Snapshot during morning of the report). The latest ticket snapshot can be found here[1].
|
Request id
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Affected vo
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Status
|
Priority
|
Date of creation
|
Last update
|
Type of problem
|
Subject
|
Scope
|
135133
|
cms
|
in progress
|
urgent
|
15/05/2018
|
17/05/2018
|
CMS_Data Transfers
|
Likely corrupted File at T1_UK_RAL
|
WLCG
|
134703
|
cms
|
in progress
|
urgent
|
23/04/2018
|
18/05/2018
|
CMS_Data Transfers
|
Transfer failing from RAL_Disk
|
WLCG
|
134685
|
dteam
|
in progress
|
less urgent
|
23/04/2018
|
02/05/2018
|
Middleware
|
please upgrade perfsonar host(s) at RAL-LCG2 to CentOS7
|
EGI
|
134468
|
cms
|
waiting for reply
|
top priority
|
09/04/2018
|
18/05/2018
|
CMS_AAA WAN Access
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Xrootd redirector not seeing some files in ECHO
|
WLCG
|
133992
|
atlas
|
in progress
|
less urgent
|
12/03/2018
|
19/04/2018
|
File Transfer
|
RAL-LCG2-ECHO: No such file or directory
|
EGI
|
127597
|
cms
|
on hold
|
urgent
|
07/04/2017
|
30/04/2018
|
File Transfer
|
Check networking and xrootd RAL-CERN performance
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EGI
|
124876
|
ops
|
on hold
|
less urgent
|
07/11/2016
|
13/11/2017
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Operations
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[Rod Dashboard] Issue detected : hr.srce.GridFTP-Transfer-ops@gridftp.echo.stfc.ac.uk
|
EGI
|
117683
|
none
|
on hold
|
less urgent
|
18/11/2015
|
09/05/2018
|
Information System
|
CASTOR at RAL not publishing GLUE 2
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EGI
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GGUS Tickets Closed Last week
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Request id
|
Affected vo
|
Status
|
Priority
|
Date of creation
|
Last update
|
Type of problem
|
Subject
|
Scope
|
135164
|
none
|
verified
|
top priority
|
16/05/2018
|
16/05/2018
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Other
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This TEST ALARM has been raised for testing GGUS alarm work flow after a new GGUS release.
|
WLCG
|
134853
|
cms
|
closed
|
urgent
|
02/05/2018
|
16/05/2018
|
CMS_Facilities
|
T1_UK_RAL HammerCloud failures
|
WLCG
|
134839
|
snoplus.snolab.ca
|
closed
|
urgent
|
30/04/2018
|
16/05/2018
|
File Transfer
|
Data Transfer Failure
|
EGI
|
134737
|
cms
|
closed
|
urgent
|
25/04/2018
|
14/05/2018
|
CMS_SAM tests
|
SAM CE test failing at T1_UK_RAL
|
WLCG
|
134494
|
atlas
|
closed
|
urgent
|
11/04/2018
|
17/05/2018
|
Storage Systems
|
json space reporting not updated
|
WLCG
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Target Availability for each site is 97.0%
|
Red <90%
|
Orange <97%
|
Day
|
Atlas
|
Atlas-Echo
|
CMS
|
LHCB
|
Alice
|
OPS
|
Comments
|
2018-05-14
|
100
|
100
|
100
|
100
|
100
|
100
|
|
2018-05-15
|
100
|
100
|
99
|
100
|
96
|
100
|
|
2018-05-16
|
100
|
100
|
100
|
100
|
100
|
100
|
|
2018-05-17
|
100
|
100
|
98
|
100
|
100
|
100
|
|
2018-05-18
|
100
|
100
|
98
|
100
|
100
|
100
|
|
2018-05-19
|
100
|
100
|
96
|
100
|
100
|
100
|
|
2018-05-20
|
98
|
100
|
100
|
100
|
100
|
100
|
|
Target Availability for each site is 97.0%
|
Red <90%
|
Orange <97%
|
Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud
Day |
Atlas HC |
CMS HC |
Comment
|
2018/05/22 |
98 |
100 |
|
2018/05/23 |
98 |
98 |
|
2018/05/24 |
97 |
99 |
|
2018/05/25 |
96 |
99 |
|
2018/05/26 |
98 |
56 |
|
2018/05/27 |
100 |
60 |
|
2018/05/28 |
93 |
100 |
|