CPK

Service interruptions

A CPK is C&CZ’s way of reporting a problem or service interruption. Follow the mailing list or RSS feed, and check the service interruptions page for live status updates.

A CPK is how C&CZ reports a problem or service interruption. We publish one when something goes wrong, when we need to do planned maintenance, or when we want to let you know about something that affects the services we run.

Note

What’s a CPK? CPK is short for the Dutch C&CZ Probleem Kaart — C&CZ problem card. The name is simply how we’ve always done it, and it has stuck with us ever since.

How to follow CPK messages

CPK messages are first sent to the CPK mailing list — you can (un)subscribe there. You can also follow the service interruption messages via RSS.

When a CPK takes longer to resolve, we publish updates on the service interruptions page.

University-wide interruptions

For Radboud University-wide service interruptions, see meldingen.ru.nl.

No service interruptions.

Resolved

December 2021

CPK#1289 vmhost07 poweroff

Vmhost07 was accidentally shut down. Cause: human error. labservanttest neurotech2 printvm msql01 indicoimapp ldap2 eftw jupytervm

November 2021

CPK#1288 Ceph storage expansion caused performance issues

As a result of the expansion of the Ceph storage cluster, the cluster had performance and availability issues. The problems were resolved this morning.

October 2021

CPK#1287 Server room network switch powerless

Two modules of an important switch in the main C&CZ server room lost power during the preparation of planned maintenance. This disconnected ca. 75% of the servers in the room from the network. Moving the modules to new PDU’s kimited the downtime to ca. 15 minutes.

CPK#1286 License server problem

An error in the management software prevented all license processes from starting correctly at the reboot of the license server. After fixing this error, all licenses were available again.

September 2021

CPK#1285 Fileserver 'flock' overloaded

Course software that had been tested caused an overload of the fileserver when it was used by 100 students. The performance of the fileserver was impaired for all users of network shares of this server.

April 2021

CPK#1284 VPN onbereikbaar

A broken PDU has offlined a switch, which has caused the VPN server to be unreachable (and several other things, which don’t affect users).

CPK#1283 Central E-mail/Calendar disruption (exchange)

Due to an emergency maintenance, the central microsoft exchange server is unavailable for 4 hours. This may also affect systems that are dependent on exchange. E-mail and calendar functionality is expected to be restored when the maintenance is done around 13:30 Today.

March 2021

CPK#1282 Ceph problem

During a routine upgrade of ceph, a bug in the latest version manifested itself and made the ceph manager unreachable. After aborting the upgrade and with help from the ceph-users mailinglist, everything became available again using a workaround.

CPK#1281 Windows 7 computers disabled in B-FAC domain

Because of security issues the last remaining Windows 7 machines wil be disabled, effective 24-03-2021, as member of the Active Directory Domain B-FAC. Please upgrade these computers to a more up-to-date OS.

CPK#1280 Lilo7 restart

To change the network of lilo7, we need to reboot this loginserver. If you want a stable connection to a loginserver during this downtime, please use lilo6 or the soon to be taken down lilo5. For more info see the page on C&CZ loginservers.