Break in at 2012-11-02 18:32 - 18:46

2012-11-02 18:32 to 18:46
14 min
Affected services: 
Services running in Adaptive group's test server

Universe's Apache process and possibly kernel's multipath were twisted themselves. To resolve this, the server was rebooted. All pending updates were installed as well.

Update at 18:48: Universe was up and running at 18:46. The problem was that multipathd failed to fail one path during a service on disk array system at 2012-10-23T13:45 even though it had failed the devices behind it:

mithlond-lun-14 (3600601603c0027009a1ae2bc8a12e011) dm-2 ,
size=2.0T features='0' hwhandler='1 emc' wp=rw
|-+- policy='round-robin 0' prio=0 status=active
| |- #:#:#:# -   #:#   active faulty running
| `- #:#:#:# -   #:#   active faulty running
`-+- policy='round-robin 0' prio=0 status=enabled
  |- 1:0:4:0 sda 8:0   active ready running
  `- 0:0:6:0 sdc 8:32  active ready running

This caused disk IO to fail and thus Apache generated some load and one zombie process:

top - 18:26:31 up 150 days,  6:23, 10 users,  load average: 93.99, 93.97, 93.64


Break in network connections at 2012-10-26 10:40-11:02

2012-10-26 10:40 to 11:02
22 min
Affected services: 
Whole HIIT's network connections

Whole HIIT's network went down 10-26-2012 10:40 and returned 11:02. We are still investigating reason for the break.

Update at 11:02: The break is over.

Two Lecturers

The Department of Information and Computer Science at Aalto University is presently looking for two tenure track lecturers. Preference is given to applicants with a background in one of the broad areas of algorithms, logic and complexity (position 1) and machine learning, probabilistic modelling and data mining (position 2). The closing date of the call is November 5, 2012.

Monday, November 5, 2012
Employing university: 
Aalto University

Break in 2012-10-17 13:15 - 13:35

2012-10-17 13:15 to 13:35
20 min
Affected services: 
Software Factory fileserver
Description: crashed after rescan of FC HBAs. Server was booted.

Update at 13:35 The break is over.

Helsinki ICT Research Feeds

These news and event feeds aggregate content from HIIT, Univ. Helsinki CS department and Aalto ICS department.