CERN Accelerating science

Upgrade of GPN and LCG routers

 
Post date: 
Friday, October 21, 2011 - 09:38
Description: 

- Intervention at Safehost

- Upgrade of GPN and LCG routers

- Impact: All services will be down around 10min

- When: Thursday 27-10-2011 - 07:45 AM - 08:15 AM

As far as IT-OIS and IT-PES groups are concerned, affected production services are :

 

- DFS : home directories starting with letters A, C, D, E, F, G, H, N, O.

- WEB : IIS websites starting with letter T, some AFS sites as well (cms-project-lcg-data, sls-voms, sls-eng-monitoring)

- DRUPAL : web sites

- KERBEROS: access from outside CERN

 

- CVI : VOBox VMs in LCG network (IT-PES, see list https://network.cern.ch/sc/fcgi/sc.fcgi?Action=Describe&Service=S9994-4-VM4)

See complete list of service below :

In Domain GPN, CERN GENERAL PURPOSE CAMPUS NETWORK:

* S9994-4-IP1 RAC8 at SafeHost

* S9994-4-IP10 DBGEN4 - 10Gb Connectivity

* S9994-4-IP11 Mgmt IPMI RAC12a

* S9994-4-IP12 Public DB RAC12a

* S9994-4-IP21 Mgmt IPMI RAC12b

* S9994-4-IP22 Public DB RAC12b

* S9994-4-IP3 Infrastructure mgmt. in SH - service 2 (via GPN router)

* S9994-4-IP5 OIS servers at SafeHost

* S9994-4-IP8 DevRAC / Drupal at SafeHost

* S9994-4-IP9 DBGEN4 - 1Gb connectivity

* S9994-4-MI1 IPMI - RAC8 at SafeHost

* S9994-4-MI11 IPMI RAC12a

* S9994-4-MI21 IPMI RAC12b

* S9994-4-MI5 IMPI - OIS servers at SafeHost

* S9994-4-MI8 IMPI - DevRAC / Drupal at SafeHost

* S9994-4-MI9 IPMI - DBGEN4 - 1Gb connectivity

* S9994-4-PB11 PB service safehost

* S9994-4-SI14 DBgen4 database servers

* S9994-4-SI15 DBgen4 hypervisors

* S9994-4-SI9 Private network for NAS RLM

* S9994-4-VM10 VMs in IP10

* S9994-4-VM43

* S9994-4-VM5 VMs in IP5 - service 1

* S9994-4-VM6 VMs in IP5 - service 2

* S9994-4-VM7 VMs in IP5 - service 3

 

In Domain LCG, CERN LCG BACKBONE - TIER0:

* S9994-4-IP2 Infrastructure mgmt. in SH - service 1 (via LCG router)

* S9994-4-IP4 Mid-Range Blades - Virtualisation at SafeHost - PB02

* S9994-4-IP6 CPU + Disk @ SafeHost - service 1

* S9994-4-IP7 CPU + Disk @ SafeHost - service 2

* S9994-4-MI4 IPMI- Mid-Range Blades - Virtualisation at SafeHost - PB02

* S9994-4-MI6 IPMI - CPU + Disk @ SafeHost - service 1

* S9994-4-MI7 IPMI - CPU + Disk @ SafeHost - service 2

* S9994-4-VM4 VMs in IP4

 

 

Specific Service Detail: 
Impact: All services will be down around 10min
Reason for this intervention: 

Upgrade of GPN and LCG routers

Effective from date: 
Thursday, October 27, 2011 - 07:45
End date: 
Thursday, October 27, 2011 - 08:15
Service Element Affected: 
Network Infrastructure Service
Impact on service: 
Service will be unavailable during the intervention
Posted by: 
IT-CS
Unit responsible for resolution: 
IT Department
Termination comments: 
the maintenance is over. Everything went ok. At the end all services down for 2 min (one single reboot)