Difference between revisions of "Tier1 Operations Report 2019-05-06"

From GridPP Wiki
Jump to: navigation, search
(Created page with "==RAL Tier1 Operations Report for 5th May 2019== __NOTOC__ ====== ====== <!-- ************************************************************* -----> <!-- ***********Start Revi...")
 
()
 
(5 intermediate revisions by one user not shown)
Line 10: Line 10:
 
| style="background-color: #b7f1ce; border-bottom: 1px solid silver; text-align: center; font-size: 1em; font-weight: bold; margin-top: 0; margin-bottom: 0; padding-top: 0.1em; padding-bottom: 0.1em;" | Review of Issues during the week 29th April 2019 to the 5th May 2019.
 
| style="background-color: #b7f1ce; border-bottom: 1px solid silver; text-align: center; font-size: 1em; font-weight: bold; margin-top: 0; margin-bottom: 0; padding-top: 0.1em; padding-bottom: 0.1em;" | Review of Issues during the week 29th April 2019 to the 5th May 2019.
 
|}
 
|}
* We are seeing high outbound packet loss over IPv6. Investigation has restarted now that the appropriate resources are back in office.
+
* As of 7th May 2019, LHCb have ended their use of of Castor at RAL.
* High CMS job failure ratesDue to the workloads submitted by CMS, there is currently no issue.  We are however still looking at making changes to the XrootD caches on the WN to improve performance.
+
* Investigation of the IPv6 issues at RAL are on-going. Last update implied a possible firmware issue on one of the OPNR routersA firmware upgrade is to be undertaken to try and resolve this.  
* On Wednesday 24th April gdss738 (LHCb) crashed and was removed from production.  It was returned to production on Friday 26th April at lunch.
+
*  
 
<!-- ***********End Review of Issues during last week*********** ----->
 
<!-- ***********End Review of Issues during last week*********** ----->
 
<!-- *********************************************************** ----->
 
<!-- *********************************************************** ----->
Line 41: Line 41:
 
! Comments
 
! Comments
 
|-
 
|-
| gdss738
+
| -
| LHCb
+
| -
| lhcb
+
| -
| d1t0
+
| -
 
| -
 
| -
 
|}
 
|}
Line 192: Line 192:
 
! Scope
 
! Scope
 
! Solution
 
! Solution
 +
|-
 +
| style="background-color: lightgreen;" | 141108
 +
| dune
 +
| in progress
 +
| top priority
 +
| 10/05/2019
 +
| 13/05/2019
 +
| Workload Management
 +
| Problem submitting DUNE jobs to RAL CEs
 +
| EGI
 +
|
 +
|-
 +
| style="background-color: lightgreen;" | 141105
 +
| ops
 +
| in progress
 +
| less urgent
 +
| 10/05/2019
 +
| 10/05/2019
 +
| Operations
 +
| [Rod Dashboard] Issues detected at RAL-LCG2
 +
| EGI
 +
|
 
|-
 
|-
 
| style="background-color: lightgreen;" | 140870
 
| style="background-color: lightgreen;" | 140870
Line 198: Line 220:
 
| less urgent
 
| less urgent
 
| 25/04/2019
 
| 25/04/2019
| 29/04/2019
+
| 08/05/2019
 
| Data Management - generic
 
| Data Management - generic
 
| Files vanished from RAL tape?
 
| Files vanished from RAL tape?
Line 204: Line 226:
 
|  
 
|  
 
|-
 
|-
| style="background-color: yellow;" | 140773
+
| style="background-color: red;" | 140773
 
| lhcb
 
| lhcb
 
| in progress
 
| in progress
 
| top priority
 
| top priority
 
| 18/04/2019
 
| 18/04/2019
| 29/04/2019
+
| 08/05/2019
 
| Storage Systems
 
| Storage Systems
 
| Removal of Echo unbearably slow
 
| Removal of Echo unbearably slow
Line 215: Line 237:
 
|  
 
|  
 
|-
 
|-
| style="background-color: lightgreen;" | 140660
+
| style="background-color: yellow;" | 140447
| 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
+
|
+
|-
+
| style="background-color: lightgreen;" | 140447
+
 
| dteam
 
| dteam
 
| on hold
 
| on hold
 
| less urgent
 
| less urgent
 
| 27/03/2019
 
| 27/03/2019
| 26/04/2019
+
| 10/05/2019
 
| Network problem
 
| Network problem
 
| packet loss outbound from RAL-LCG2 over IPv6
 
| packet loss outbound from RAL-LCG2 over IPv6
Line 253: Line 264:
 
| urgent
 
| urgent
 
| 13/02/2019
 
| 13/02/2019
| 25/04/2019
+
| 30/04/2019
 
| Middleware
 
| Middleware
 
| No LIGO pilots running at RAL
 
| No LIGO pilots running at RAL
Line 284: Line 295:
 
! Solution
 
! Solution
 
|-
 
|-
| 140887
+
| 140971
| atlas
+
| cms
 
| solved
 
| solved
 
| urgent
 
| urgent
| 27/04/2019
+
| 02/05/2019
| 27/04/2019
+
| 06/05/2019
| File Transfer
+
| CMS_Data Transfers
| UK RAL-LCG2 ransfer error with: srm-ifce err: Communication error on send
+
| Transfers failing from FNAL_Buffer to RAL_Disk
 
| WLCG
 
| WLCG
| This is not a RAL issue, but a problem with Wuppertalprod already ticketed at https://ggus.eu/index.php?mode=ticket_info&ticket_id=140883 .
+
| files were cleaned up by ECHO and were re-transferred. connection issue not at RAL site.
Closing this ticket.
+
|-
 +
| 140932
 +
| enmr.eu
 +
| solved
 +
| less urgent
 +
| 30/04/2019
 +
| 08/05/2019
 +
| Other
 +
| how to install cvmfs on worker nodes
 +
| EGI
 +
| Hi Enrico,
 +
 
 +
I'm going to make the assumption that as "it works perfectly", I can mark this ticket as solved.
 +
 
 +
Best regards
 +
 
 +
Darren
 
|-
 
|-
 
| 140758
 
| 140758
 
| lhcb
 
| lhcb
| solved
+
| closed
 
| urgent
 
| urgent
 
| 17/04/2019
 
| 17/04/2019
| 24/04/2019
+
| 08/05/2019
 
| File Access
 
| File Access
 
| lhcbUser svcClass not working as it should ?
 
| lhcbUser svcClass not working as it should ?
Line 312: Line 339:
  
 
D.
 
D.
|-
 
| 140577
 
| lhcb
 
| closed
 
| less urgent
 
| 04/04/2019
 
| 25/04/2019
 
| File Access
 
| LHCb disk only files requested with the wrong service class
 
| EGI
 
| No solution found so far. LHCb is close to migrate from the old CASTIR instance soon
 
|-
 
| 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.
 
 
|}
 
|}
 
|}<!-- **********************End Availability Report************************** ----->
 
|}<!-- **********************End Availability Report************************** ----->

Latest revision as of 08:02, 14 May 2019

RAL Tier1 Operations Report for 5th May 2019

Review of Issues during the week 29th April 2019 to the 5th May 2019.
  • As of 7th May 2019, LHCb have ended their use of of Castor at RAL.
  • Investigation of the IPv6 issues at RAL are on-going. Last update implied a possible firmware issue on one of the OPNR routers. A firmware upgrade is to be undertaken to try and resolve this.
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
141108 dune in progress top priority 10/05/2019 13/05/2019 Workload Management Problem submitting DUNE jobs to RAL CEs EGI
141105 ops in progress less urgent 10/05/2019 10/05/2019 Operations [Rod Dashboard] Issues detected at RAL-LCG2 EGI
140870 t2k.org in progress less urgent 25/04/2019 08/05/2019 Data Management - generic Files vanished from RAL tape? EGI
140773 lhcb in progress top priority 18/04/2019 08/05/2019 Storage Systems Removal of Echo unbearably slow WLCG
140447 dteam on hold less urgent 27/03/2019 10/05/2019 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 30/04/2019 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
140971 cms solved urgent 02/05/2019 06/05/2019 CMS_Data Transfers Transfers failing from FNAL_Buffer to RAL_Disk WLCG files were cleaned up by ECHO and were re-transferred. connection issue not at RAL site.
140932 enmr.eu solved less urgent 30/04/2019 08/05/2019 Other how to install cvmfs on worker nodes EGI Hi Enrico,

I'm going to make the assumption that as "it works perfectly", I can mark this ticket as solved.

Best regards

Darren

140758 lhcb closed urgent 17/04/2019 08/05/2019 File Access lhcbUser svcClass not working as it should ? WLCG Hi guys,

I'm assuming I can now resolve this one again?

Cheers

D.

Availability Report

Day Atlas Atlas-Echo CMS LHCB Alice OPS Comments
2019-04-22 100 100 100 100 100 100
2019-04-23 100 100 98 97 83 100
2019-04-24 100 100 100 100 100 100
2019-04-25 100 100 100 100 100 100
2019-04-26 100 100 100 100 100 100
2019-04-27 100 100 100 100 100 100
2019-04-28 100 100 100 100 100 100
2019-04-29 100 100 100 100 100 100
Hammercloud Test Report
Target Availability for each site is 97.0% Red <90% Orange <97%
Day Atlas HC CMS HC Comment
2019-04-22 - 97
2019-04-23 100 100
2019-04-24 100 n/a
2019-04-25 100 n/a
2019-04-26 100 n/a
2019-04-27 100 99
2019-04-28 100 96
2019-04-29 100 96

Key: Atlas HC = Atlas HammerCloud (Queue RAL-LCG2_UCORE, Template 841); CMS HC = CMS HammerCloud

Notes from Meeting.