Difference between revisions of "Tier1 Operations Report 2015-03-11"
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! Reason | ! Reason | ||
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| − | | Whole site | + | | Whole site. |
| + | | SCHEDULED | ||
| + | | WARNING | ||
| + | | 12/03/2015 07:45 | ||
| + | | 12/03/2015 08:30 | ||
| + | | 45 minutes | ||
| + | | Warning following installation of a replacement network router. | ||
| + | |- | ||
| + | | Whole site. | ||
| SCHEDULED | | SCHEDULED | ||
| WARNING | | WARNING | ||
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| 30 minutes | | 30 minutes | ||
| Warning on site access during firmware updates on pair of network switches. | | Warning on site access during firmware updates on pair of network switches. | ||
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Revision as of 12:52, 11 March 2015
RAL Tier1 Operations Report for 11th March 2015
| Review of Issues during the week 4th to 11th March 2015. |
- The planned move to a replacement primary router that was scehdiuled on the morning of the 5th March had to be delayed (to the morning of the 12th March).
- On Friday (6th March) around 15:00 there was a problem of high packet loss within the Tier1 network following a configuration error. This lasted around 20 minutes.
| Resolved Disk Server Issues |
- GDSS757 (CMSDisk - D1T0) has failed multiple times this year. It has now been drained and the vendor contacted for further diagnostics. The server did fail one more time during the drain.
| Current operational status and issues |
- We are running with a single router connecting the Tier1 network to the site network, rather than a resilient pair.
| Ongoing Disk Server Issues |
- None
| Notable Changes made this last week. |
- The roll-out of Condor version 8.2.7 and CVMFS version 2.1.20 to the batch farm is complete apart from moopping up a few nodes.
- This morning the firmware version in the pair of switches at the core of the Tier1 network was updated.
| Declared in the GOC DB |
| Service | Scheduled? | Outage/At Risk | Start | End | Duration | Reason |
|---|---|---|---|---|---|---|
| Whole site. | SCHEDULED | WARNING | 12/03/2015 07:45 | 12/03/2015 08:30 | 45 minutes | Warning following installation of a replacement network router. |
| Whole site. | SCHEDULED | WARNING | 11/03/2015 10:30 | 11/03/2015 11:00 | 30 minutes | Warning on site access during firmware updates on pair of network switches. |
| Advanced warning for other interventions |
| The following items are being discussed and are still to be formally scheduled and announced. |
- Investigate problems on the primary Tier1 router. Discussions with the vendor are ongoing. (Swap with replacement unit planned for tomorrow morning, 12th March).
- Update Castor to 2.1-14-15 (Proposed date - Wednesday 8th April).
Listing by category:
- Databases:
- Switch LFC/3D to new Database Infrastructure.
- Update to Oracle 11.2.0.4
- Castor:
- Update Castor to 2.1-14-15 (Proposed date - Wednesday 8th April).
- Update SRMs to new version (includes updating to SL6).
- Fix discrepancies were found in some of the Castor database tables and columns. (The issue has no operational impact.)
- Networking:
- Resolve problems with primary Tier1 Router
- Enable the RIP protocol for updating routing tables on the Tier1 routers. (Install patch to Router software).
- Increase bandwidth of link into the RAL site to 40Gbit.
- Make routing changes to allow the removal of the UKLight Router.
- Fabric
- Firmware updates on remaining EMC disk arrays (Castor, FTS/LFC)
| Entries in GOC DB starting since the last report. |
| Service | Scheduled? | Outage/At Risk | Start | End | Duration | Reason |
|---|---|---|---|---|---|---|
| Whole Site | SCHEDULED | WARNING | 11/03/2015 10:30 | 11/03/2015 11:00 | 30 minutes | Warning on site access during firmware updates on pair of network switches. |
| lcgfts3.gridpp.rl.ac.uk, | SCHEDULED | WARNING | 05/03/2015 10:00 | 05/03/2015 12:00 | 2 hours | Warning on FTS3 service during upgrade to version v3.2.32 |
| Whole Site | UNSCHEDULED | WARNING | 05/03/2015 07:45 | 05/03/2015 08:30 | 45 minutes | Warning following installation of a replacement network router. |
| Open GGUS Tickets (Snapshot during morning of meeting) |
| GGUS ID | Level | Urgency | State | Creation | Last Update | VO | Subject |
|---|---|---|---|---|---|---|---|
| 112166 | Green | Urgent | In Progress | 2015-03-06 | 2015-03-11 | Atlas | RAL-LCG2 DATATAPE: destination transfer errors like "This SURL does not exist in the original request" |
| 111699 | Green | Less Urgent | In Progress | 2015-02-10 | 2015-02-27 | Atlas | gLExec hammercloud jobs keep failing at RAL-LCG2 & RALPP |
| 109694 | Red | Urgent | In Progress | 2014-11-03 | 2015-03-10 | SNO+ | gfal-copy failing for files at RAL |
| 108944 | Red | Urgent | Waiting Reply | 2014-10-01 | 2015-03-03 | CMS | AAA access test failing at T1_UK_RAL |
| Availability Report |
Key: Atlas HC = Atlas HammerCloud (Queue ANALY_RAL_SL6, Template 508); CMS HC = CMS HammerCloud
| Day | OPS | Alice | Atlas | CMS | LHCb | Atlas HC | CMS HC | Comment |
|---|---|---|---|---|---|---|---|---|
| 04/03/15 | 100 | 100 | 100 | 100 | 100 | 98 | 100 | |
| 05/03/15 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | |
| 06/03/15 | 100 | 100 | 96 | 100 | 96 | 98 | 92 | Tier1 network problem affected tests. |
| 07/03/15 | 100 | 100 | 100 | 100 | 100 | 98 | 97 | |
| 08/03/15 | 100 | 100 | 100 | 100 | 100 | 98 | 94 | |
| 09/03/15 | 100 | 100 | 100 | 100 | 100 | 100 | 93 | |
| 10/03/15 | 100 | 100 | 100 | 100 | 100 | 98 | 98 |
