Cpk | C&CZ News

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For RU wide service interruption see meldingen.ru.nl.

Service Interruptions

1407: NFS problems under investigation

When we moved the gateways of our networks from the old location to the new firewalls, we have received some complaints about NFS filesystems having slowness, longer delays or unavailability. In general NFS should never be a requirement for a clusternode job if you can avoid it, because this I/O is always much slower than local I/O from /scratch. We are investigating how we can optimise the network to resolve this issue, but we are hard pressed to know the exact cause of the problem....

Resolved Reports

1319: FNWI network maintenance Monday March 6 19:00-23:00 Huygens ground floor in/near wing 3 and tunnels/basement A1

RU ILS Connectivity announced that network maintenance will be carried out next Monday evening that will cause short disturbances of network connectivity for wired and wireless systems in and around wing 3 Huygens and in tunnels/basement of the former A1 building. For wired network outlets, one can check whether they will be affected by looking at the outlet number (starting with 109- and 73- for affected systems) or visiting FNWI ethergids....

1320: FNWI network maintenance Wednesday March 8 19:00-23:00 Goudsmit/NMR and Nanolab

RU ILS Connectivity announced that network maintenance will be carried out next Wednesday evening that will cause short disturbances of network connectivity for wired and wireless systems in Goudsmit/NMR and Nanolab. For wired network outlets, one can check whether they will be affected by looking at the outlet number (starting with 72- or 116- for affected systems) or visiting FNWI ethergids.

1318: No ip address on the wired network in Huygens

The network configuration change of Thursday evening caused wired network connections to fail getting an IP address. The wireless network didn’t have that problem. Technically, the dhcp options we’re using were not yet allowed on the new distribution switch (DR-H). Update: the problem should be resolved, but in case of problems, please try rebooting the machine to resolve the issue.

1317: Reboot cn106

Because of problems and reacheability machine rebooted. Cause of problem remains unknown.

1316: FNWI network maintenance Thursday Feb 23 19:00-21:00

Thursday evening between 19:00 and 21:00, all wired and wireless user networks in Huygens, Goudsmit/NMR, Nanolab and FELIX-HFML will be switched to a new router. A downtime of ca. 10 minutes is expected.

1315: Wing 5 Huygens network maintenance Wednesday Feb 15 19:00-20:30

RU ILS Connectivity announced that network maintenance will be carried out next Wednesday evening that will cause short disturbances of network connectivity for wired and wireless systems in and around Wing 5 Huygens. For wired network outlets, one can check whether they will be affected by looking at the outlet number (starting with 111- for affected systems) or visiting FNWI ethergids.

1314: Homeserver nfs service failed to come up

After the scheduled reboot of the home2 server, the nfs service failed to start. A manual reboot solved the problem.

1313: Wing 1 and 2 Huygens network maintenance Monday Jan 30 and Wednesday Feb 1 19:00-23:00

RU ILS Connectivity announced that network maintenance will be carried out next Monday (Wing 1) and Wednesday (Wing 2) evening that will cause short disturbances of network connectivity for wired and wireless systems in Huygens. For wired network outlets, one can check whether they will be affected by looking at the outlet number (starting with 105- for Wing 1 affected systems and 106- for Wing 2) or visiting FNWI ethergids.

1312: Wing 4 Huygens network maintenance Monday January 23 19:00-23:00

ILS Connectivity announced that network maintenance will be carried out next Monday evening that will cause short disturbances of network connectivity for wired and wireless systems in and near wing 4 of the Huygens building. For wired network outlets, one can check whether they will be affected by looking at the outlet number (starting with 108- for affected systems) or visiting FNWI ethergids.

1311: Maintenance RU internet connection Friday Feb 10 18:00-23:00

ILS Connectivity announced that network maintenance will be carried out on the internet connection of Radboud University on February 10 between 18:00 and 23:00. Network connections may be disturbed several times, each lasting less than 15 minutes.