C&CZ Problem Card

A defective memory module caused spontaneous reboots. Since two modules where taken out, these reboots have not occurred anymore. Additional down time will be needed to resolve the problem. Affected services: aerochem,akn,aqua,bgard,boekingen,bomen,cac,cafe,celbi,docenten,exo,filosofie,hfml iconic,ifl,irmacrash,itp2011,iwwr-boookings,kanboard,kndv,labservant,math,mbfys,mbp,mealab, nieuwescheikunde,nlt,pilab,printeger,probiomed,puff,pz,qpl,quantumcs,ra,refbase,rrl, scheikundeolympiade,siam,sigma-lustrum,smartech4health,sws,theorphys,tk,toernooi,tredd, trooster,vsc,w4kangoeroe,wortel,zwaartekrachtsgolven

Because of an upgrade of gitlab to version 8.5.7, the GitLab service was offline for a while.

At reboot time some file system (/opt) was not recognized, resulting in a kernel panic. Solutio: Reboot

For yet unknown reasons the private class network interfaces where incorrectly numbered and activated Solution: Reboot

Because of an upgrade of gitlab to version 8.5.1, the GitLab service will be offline for a while.

Because of automated updates, Several virtual host had become unreachable. Server vos: gitlab3, bfacdc04, smtp2, redmine2 Server wolf: smtp1, bfacdc03, est2 Rebooted vos and wolf.

For unknown reasons, the miii mail server was unavailable. Rebooted.

For unknown reasons, the IMAP mail server was unavailable. The service cyrus-imapd was not correctly started. Starting this service service cyrus-imapd start solved the problem.

For unknown reasons, the IMAP mail server was unavailable. Mail services were halted after some time because of logging activity. As a temporary workaround logging is now performed using UDP instead of TCP.

The Ubuntu 14.04 fileservers “flock” and “muckle” had problems a few times. After we reverted to the previous kernel version, the service seems to be stable again.