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Revision as of 11:45, 4 April 2018
RAL Tier1 Operations Report for 4th April 2018
Review of Issues during the week 27th March to 4th April 2018
|
- A relatively quiet week over the Easter weekend. There was a problem with CMS (Castor) on 28th March.
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
|
Ongoing Castor Disk Server Issues
|
Limits on concurrent batch system jobs.
|
Notable Changes made since the last meeting.
|
- Four disk servers have been deployed into Castor GenTape and the older ones withdrawn from service.
- New Docker images rolled out across entire batch farm.
- Rolled out CMS xrootd redirection on Echo external gateways
- At the time of the meeting an update is being applied to Echo which patches the 'backfill' bug.
Entries in GOC DB starting since the last report.
|
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
|
28/03/2018
|
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
|
waiting for reply
|
very urgent
|
21/12/2017
|
03/04/2018
|
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
|
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
|
134342
|
cms
|
in progress
|
urgent
|
29/03/2018
|
03/04/2018
|
CMS_Data Transfers
|
CERN->MSS rate test
|
WLCG
|
GGUS Tickets Closed Last week
|
Request id
|
Affected vo
|
Status
|
Priority
|
Date of creation
|
Last update
|
Type of problem
|
Subject
|
Scope
|
133719
|
atlas
|
closed
|
urgent
|
27/02/2018
|
28/03/2018
|
File Transfer
|
Transfers to RAL-LCG2-ECHO failing
|
WLCG
|
133752
|
atlas
|
closed
|
very urgent
|
01/03/2018
|
28/03/2018
|
File Transfer
|
RAL FTS service appears broken
|
WLCG
|
133764
|
snoplus.snolab.ca
|
closed
|
very urgent
|
01/03/2018
|
28/03/2018
|
Information System
|
BDII missing SFU information
|
EGI
|
134030
|
other
|
solved
|
less urgent
|
14/03/2018
|
03/04/2018
|
Other
|
request to replicate larsoft.opensciencegrid.org cvmfs repository
|
EGI
|
134042
|
dteam
|
closed
|
top priority
|
15/03/2018
|
29/03/2018
|
Other
|
Test Ticket.
|
WLCG
|
134290
|
cms
|
solved
|
urgent
|
28/03/2018
|
28/03/2018
|
Monitoring
|
T1_UK_RAL failing SAM tests
|
EGI
|
134309
|
none
|
verified
|
top priority
|
28/03/2018
|
29/03/2018
|
Other
|
This TEST ALARM has been raised for testing GGUS alarm work flow after a new GGUS release.
|
WLCG
|
134362
|
cms
|
solved
|
urgent
|
01/04/2018
|
03/04/2018
|
CMS_SAM tests
|
SAM3 CE and SRM problems at T1_UK_RAL
|
WLCG
|
134373
|
ops
|
solved
|
less urgent
|
02/04/2018
|
03/04/2018
|
Operations
|
[Rod Dashboard] Issue detected : org.nordugrid.ARC-CE-SRM-result-ops@arc-ce02.gridpp.rl.ac.uk
|
EGI
|
Target Availability for each site is 97.0%
|
Red <90%
|
Orange <97%
|
Day
|
ALICE
|
ATLAS
|
ATLAS-ECHO
|
CMS
|
LHCb
|
OPS
|
Comment
|
2018-03-28
|
100
|
100
|
100
|
100
|
100
|
100
|
|
2018-03-29
|
100
|
100
|
100
|
100
|
100
|
100
|
|
2018-03-30
|
100
|
100
|
100
|
100
|
100
|
100
|
|
2018-03-31
|
100
|
100
|
100
|
100
|
100
|
100
|
|
2018-04-01
|
100
|
100
|
100
|
50
|
100
|
100
|
Certificate problem within CMS
|
2018-04-02
|
100
|
100
|
100
|
100
|
100
|
N/A
|
|
2018-04-03
|
100
|
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
|
2018/03/28 |
95 |
99 |
|
2018/03/29 |
96 |
100 |
|
2018/03/30 |
96 |
99 |
|
2018/03/31 |
100 |
100 |
|
2018/04/01 |
100 |
100 |
|
2018/04/02 |
100 |
100 |
|
2018/04/03 |
99 |
100 |
|