de.NBI Cloud - Bielefeld

[de.NBI Cloud Bielefeld - Production] Maintenance finished

Bielefeld

05.01.2024 - 16:14

Dear de.NBI Cloud Bielefeld users,

we are back again. The cloud maintenance is finished and it is safe to (re-)start your instances. We used the downtime to update the cloud to Openstack Zed.

Best regards,
de.NBI Cloud Bielefeld Read more...

[de.NBI Cloud Bielefeld - Production] REMINDER - planned downtime from January 2nd, 2024 to January 5th, 2024

Bielefeld

21.12.2023 - 11:06

Dear cloud user,

the de.NBI Cloud site Bielefeld is planning a downtime from January 2nd, 2024 to January 5th, 2024. As the last university-wide last load tests revealed, the main power supply in one of the data centers must be repaired. A large part of the cloud resources is unavailable dur… Read more...

[de.NBI Cloud Bielefeld - Production] - planned downtime from January 2nd, 2024 to January 5th, 2024

Bielefeld

07.12.2023 - 10:09

Dear cloud user,

the de.NBI Cloud site Bielefeld is planning a downtime from January 2nd, 2024 to January 5th, 2024. As the _last university-wide_ last load tests revealed, the main power supply in one of the data centers must be repaired. A large part of the cloud resources is therefore una… Read more...

N M T I E D W O

[de.NBI Cloud Bielefeld - Production] - maintenance finished

Bielefeld

05.09.2023 - 09:56

Dear Cloud Users,
all hypervisors are patched against "Downfall" (CVE-2022-40982) concerning Intel-based CPUs and "Inception" (CVE-2022-23825) concerning AMD-based CPUs and it is safe to restart previously stopped instances.

Thanks for your understanding and best regards,
Cloud Team … Read more...

[de.NBI Cloud Bielefeld - Production] Urgent! Downfall and Inception vulnerabilities

Bielefeld

31.08.2023 - 09:18

Cloud maintenance is scheduled for the next Tuesday (September 5th, 2023) from 10:00 CEST to 16:00 CEST. Read more...

[de.NBI Cloud Bielefeld - Production] Updated base images

Bielefeld

23.08.2023 - 09:07

The de.NBI cloud Bielefeld provides new base images based on Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Debian 11 “Bulleye” and Debian 12 “Bookworm”. Previous base images are deactivated and can’t be used anymore.

- All images come with a new login style showing important messages from de.NBI cloud… Read more...

[de.NBI Cloud Bielefeld - Production] Zenbleed vulnerability patched

Bielefeld

27.07.2023 - 13:31

All Zen2-based hypervisors are patched against CVE-2023-20593. Read more...

[de.NBI Cloud Bielefeld - Production]

Bielefeld

23.05.2023 - 14:02

Dear de.NBI Cloud Bielefeld users,

we are back again. The power outage tests are finished and it is safe to
(re-)start your instances.

Best regards,
de.NBI Cloud Bielefeld Read more...

[de.NBI Cloud Bielefeld - Production] - planned downtime on May 23rd, 2023 ( last reminder)

Bielefeld

22.05.2023 - 09:12

Dear de.NBI Cloud Bielefeld users, Bielefeld University is scheduling its yearly diesel generator/power outage tests on the whole building complex. These tests also affect our cloud infrastructure. In order to protect our hardware from any unexpected power losses or power spikes, we will shut down… Read more...

[de.NBI Cloud Bielefeld - Production] - planned downtime on May 23rd, 2023 (reminder)

Bielefeld

16.05.2023 - 06:29

Ubuntu 18.04 LTS is reaching EOL (End Of Life) this May - Upgrade required

Bielefeld

21.04.2023 - 07:03

Dear de.NBI Cloud Bielefeld users, as the now 5 year old operating system version "Ubuntu 18.04" is officially reaching EOL (End Of Life) next month, Canonical is ending support for security updates for this version. To find out if you need to upgrade any of your instances, please check the Ubunt… Read more...

[de.NBI Cloud Bielefeld - Production] planned downtime on May 23rd, 2023

Bielefeld

06.04.2023 - 09:08

DOWNTIME

[de.NBI Cloud Bielefeld - Production] Updated base images

Bielefeld

17.02.2023 - 10:48

Dear de.NBI Cloud Bielefeld users, we have updated our pre-configured images based on Ubuntu LTS (18.04, 20.04, and 22.04) and Debian (10 and 11). All new images have a slightly different default behavior (see Change Log), but are still able to run on other cloud sites without any further modifica… Read more...

[de.NBI Cloud Bielefeld - Production] Maintenance finished

Bielefeld

13.02.2023 - 15:06

Dear de.NBI Cloud Bielefeld users, we are back again. The cloud maintenance is finished and it is safe to (re-)start your instances. We've made a big upgrade jump from Openstack Wallaby to Openstack Yoga, which results in a slightly modified Dashboard and a lot of bug fixes. Best regards, de.NBI … Read more...

[de.NBI Cloud Bielefeld - Production] [LAST REMINDER] Coordinated instance reboots/Downtime on February 13th 2023

Bielefeld

10.02.2023 - 13:09

[LAST REMINDER] Dear de.NBI Cloud Bielefeld user, Unfortunately, the short network outage last December had a lasting effect on a large number of volume attachments. While some of these have successfully been repaired on user request by invoking selective instance reboots, many other volume conn… Read more...

[de.NBI Cloud Bielefeld - Production] [REMINDER] Coordinated instance reboots/Downtime on February 13th 2023

Bielefeld

06.02.2023 - 10:55

[REMINDER] Dear de.NBI Cloud Bielefeld user, Unfortunately, the short network outage last December had a lasting effect on a large number of volume attachments. While some of these have successfully been repaired on user request by invoking selective instance reboots, many other volume connecti… Read more...

[de.NBI Cloud Bielefeld - Production] Coordinated instance reboots on February 13th 2023

Bielefeld

16.01.2023 - 12:57

Dear de.NBI Cloud Bielefeld user, the short network outage last December unfortunately had a lasting effect on a large number of volume attachments. While some of these have successfully been repaired on user request by invoking selective instance reboots, many other volume connections are still n… Read more...

[de.NBI Cloud Bielefeld - Production] Upate: Network outage

Bielefeld

20.12.2022 - 16:41

Dear de.NBI Cloud Bielefeld user, as mentioned before, the network problem is fixed and the cloud is up and running. However, there seems to be a problem with some instances having attached and mounted volumes. Contact us, if your instance is affected. On behalf of the de.NBI Cloud Bielefeld te… Read more...

[de.NBI Cloud Bielefeld - Production] Network outage

Bielefeld

20.12.2022 - 13:18

Dear de.NBI Cloud Bielefeld user, due to an erroneous switch configuration, most parts of our cloud infrastructure had no network connection from 12:50 to 13:30. The configuration problem is fixed and the network is up again. We will give you a more detailed update if we have checked up everythi… Read more...

[de.NBI Cloud Bielefeld - Production] Updated base images

Bielefeld

14.10.2022 - 15:01

Dear de.NBI Cloud Bielefeld users, we have updated our pre-configured images based on Ubuntu LTS (18.04, 20.04, and 22.04) and Debian (10 and 11). Previous images with the suffix (2022-06-14) are deactivated. On behalf of the de.NBI cloud Bielefeld team, Jan Krüger Read more...

[de.NBI Cloud Bielefeld - Production] Maintenance finished

Bielefeld

14.09.2022 - 13:14

Dear de.NBI Cloud Bielefeld users, we are back again. The cloud maintenance is finished and it is safe to (re-)start your instances. Changes: - Update the virtual network setup to gain a better high-availability experience - Make a big upgrade jump from Openstack Train to Openstack Wallaby, whi… Read more...

[de.NBI Cloud Bielefeld - Production] planned downtime (last reminder)

Bielefeld

09.09.2022 - 11:44

[de.NBI Cloud Bielefeld - Production] Reminder: planned downtime

Bielefeld

05.09.2022 - 09:18

[de.NBI Cloud Bielefeld - Production] planned downtime

Bielefeld

16.08.2022 - 08:12

[de.NBI Cloud Bielefeld] Network Maintenance 2022-07-11

Bielefeld

07.07.2022 - 11:15

Dear de.NBI Cloud Bielefeld User, We are scheduling a network maintenance on Monday (2022-07-11) at 11AM - 2PM. During this time window, you may notice some minor network disruptions to your instances. If there are still disruptions after that time window, please contact us. Best Regards,… Read more...

[de.NBI Cloud Bielefeld - Production] de.NBI flavors updated

Bielefeld

23.06.2022 - 11:20

Dear de.NBI cloud Bielefeld user, you may have already noticed that we have updated all de.NBI flavors. All de.NBI flavors come now with a 50 Gb root disk (instead 20 Gb before). Please note that: - Previous "standard" flavors are still available to be compatible with other de.NBI cloud sites… Read more...

[de.NBI Cloud Bielefeld - Production] Network interruptions yesterday afternoon (13.4.22)

Bielefeld

14.04.2022 - 06:23

Dear de.NBI Cloud Bielefeld users, Necessary maintenance of one of our control nodes leads to an unexpected network interruption concerning some cloud projects including SimpleVm yesterday (13.4.2022) afternoon between approx. 2 pm and 6:30 pm. Sorry for any inconvenience, on behalf of the de… Read more...

[de.NBI Cloud Bielefeld - Production] FYI: Network interruptions on 23.03.22 in the evening

Bielefeld

24.03.2022 - 13:40

Dear de.NBI Cloud Bielefeld user, yesterday evening between 7 pm and approx. 9 pm we had some network hick-ups concerning the external network connection. Our hardware support had to do emergency maintenance on one of our core network switches, which results in three short network interruptions.… Read more...

[de.NBI Cloud Bielefeld] Unexpected Instance shut-off

Bielefeld

04.01.2022 - 13:48

Dear de.NBI Cloud User, during maintenance work, we noticed that many instances suddenly went shut-off unexpectedly. If your instances are affected, you should be able to start them up again. If there a problems during the start-up of the instances, don't hesitate to contact us. We apologize for… Read more...

[de.NBI Cloud Bielefeld] UPDATE: Log4j: Impaired Services (s3)

Bielefeld

14.12.2021 - 09:37

Dear de.NBI Cloud Bielefeld Users, we restored services back for ObjectStorage/S3 for now. However, this incident is not closed for us just yet. Beware, that there could be still sudden disruptions regarding the availability of our services while addressing this log4j situation. We will keep you… Read more...

[de.NBI Cloud Bielefeld] URGENT: Log4j: Impaired Services (s3)

Bielefeld

13.12.2021 - 15:14

Dear de.NBI Cloud User, currently the whole IT-World is suffering from the log4shell[1] vulnerability. While many people around the world are trying to detect and mitigate this issue, we also have to combat this dramatic incident. In our infrastructure we were able to identify possible attack vec… Read more...

[de.NBI Cloud Bielefeld - Production]: Log4j2 vulnerability (CVE-2021-44228)

Bielefeld

12.12.2021 - 20:48

Dear Cloud users, As you may have heard in the news, there is currently an IT security vulnerability ("log4j") that can potentially be present in many IT services. The Federal Office for Information Security (BSI) classifies this security gap as "very serious". The vulnerability and how it can be… Read more...

Maintenance is done !

Bielefeld

24.09.2021 - 08:27

Dear Cloud users, maintenance is done and de.NBI cloud Bielefeld is fully operable again. It is now safe to start your virtual machine(s). Please be aware that the Openstack dashboard url is changed during maintenance, which might break your bookmarks. You should use https://openstack.cebi… Read more...

Minor issues after infrastructure upgrade

Bielefeld

24.09.2021 - 08:26

We experienced minor issues after infrastructure Upgrade. See „de.NBI Wiki -> Compute Center Specific -> Bielefeld -> Known Problems“ for more info. Read more...

User/project management maintenance for Openstack projects

Bielefeld

24.09.2021 - 08:25

Dear de.NBI cloud Bielefeld user, the user/project management as described in https://cloud.denbi.de/wiki/portal/project_overview/#member-management is currently disabled due to maintenance for Openstack projects. The maintenance affects only changes in the user management like adding or remo… Read more...

Bielefeld

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