IRIS News | Instructional & Research Information Systems

Various Linux servers (login, dhcp, DNS, SMTP, NTP) downtime Tuesday October 19, 2021 06:30-07:45 am

October 18, 2021 by Mark Kraitchman

Various Linux servers will be down for patching and needed reboots to activate changes delivered by some RHEL patches.

The departmental dhcp server is scheduled for downtime from 6:30am to 7am.

cronus one of the departmental DNS and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS and time server is scheduled for downtime from 7:00am-7:15am.

The departmental authenticating outgoing SMTP server gateway.eecs is scheduled for downtime from 7:5am to 7:45am.

We expect actual downtimes to be less than scheduled.

Linux Server Patching, Oct 14 5:30pm

October 14, 2021 by Rob McNicholas

Routine Red Hat Linux operating system patches have been released which require system reboots. Starting at 5:30pm Thursday, Oct 14th, IDSG will be patching and rebooting affected servers. The following services will experience brief outages of 10 minutes or less between 5:30pm and 6:30pm.

* Department mailing list services (lists.eecs.berkeley.edu)

* IRIS Roster/Network applications (iris2.eecs.berkeley.edu)

[Read more…]

October 2021 Windows Server Patching

October 8, 2021 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, October 12th, 2021. PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, October 13th, at 3:00 am.

WINTERM may be unavailable till 10:00 am Wednesday, October 13th, depending on additional software updates.

[Read more…]

Cory Hall Network Outage, 9/17/21

September 17, 2021 by Lars Rohrbach

The Cory Hall network was offline from about 12:29 – 12:40 due to a malfunction in the building core switch. The issue has been resolved.

Various Network Outages, Cory Hall and SDH Nanolab, 9/14

September 14, 2021 by Derek Calderon

A variety of areas have experienced network interruptions this evening, between 16:47 and 18:39:

Cory 165 (server room)
Cory 3F
Cory 5F
SDH Nanolab 5th floor

[Read more…]

Various Linux servers (login, dhcp, DNS, NTP) downtime Wednesday September 15, 2021 06:30-07:15am

September 14, 2021 by Mark Kraitchman

Various Linux servers will be down for patching and needed reboots to activate changes delivered by some RHEL patches.

The departmental dhcp server is scheduled for downtime from 6:30am to 7am.

cronus one of the departmental DNS and time servers is scheduled for downtime from 6:45am-7:00am.

rhea the other departmental DNS and time server is scheduled for downtime from 7:00am-7:15am.

We expect actual downtimes to be less than scheduled.

[Read more…]

September 2021 Windows Server Patching

September 10, 2021 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, September 14th, 2021. PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, September 15th, at 3:00 am.

WINTERM may be unavailable till 10:00 am Wednesday, September 15th, depending on additional software updates.

[Read more…]

DNS Resolution Issues, 8/31/21

August 31, 2021 by Derek Calderon

We are currently seeing an issue where eecs.berkeley.edu, cs.berkeley.edu, banatao.berkeley.edu, and possibly other related DNS names are not resolvable from campus networks or from the Internet. As a result, many websites appear down and emails may bounce.

We have contacted IST, who operate the DNS servers that answer these requests from non-EECS networks, and they are investigating.

Name resolution from EECS networks using EECS DNS resolvers is working properly.

[Read more…]

Network Maintenance Sun. 8/29 6AM

August 25, 2021 by Derek Calderon

We will be performing a needed firmware upgrade on the Soda Hall core router at 6AM on Sunday, August 29th. This will cause a disruption of all traffic in and out of the EECS network, as well as traffic between the various Soda Hall networks. We expect this outage will last for between 5 and 20 minutes.

[Read more…]

Partial network outage, Soda 7th floor, 8/19/21

August 19, 2021 by Carlos Caceres

Wireless networks on the 7th floor of Soda Hall were offline beginning at 17:31 yesterday (8/18) due to a faulty switch PoE module. Unfortunately, we were not made aware of this until about 15:00 today.

We have replaced the faulty switch, and service was restored around 17:30.