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IRIS

Instructional & Research Information Systems

February 2017 Windows Server Patching

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Microsoft will release their patches for the month on Tuesday, February 14th, 2017, as a kind of Valentine’s Day present to all.

PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, February 15th, at 3:00 am.

WINTERM may be unavailable till 10:00 am Wednesday, February 15th, depending on additional software updates.
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Disable SMBv1 on Windows systems

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Due to critical vulnerabilities in Windows SMB (file sharing) services, the
campus Information Security & Policy (ISP) group advises
disabling of SMBv1 on all campus Windows systems, and that you prepare to update
all Windows systems quickly on Patch Tuesday (Feb 14) to patch more
recent versions of SMB (SMBv2 and SMBv3).

Please see our FAQ page for some details on disabling SMBv1.

Wireless Controller Upgrade, Jan. 26 2017

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We will be performing an emergency upgrade of our wireless controllers tonight beginning at 9:30PM to address a bug which has been causing periodic controller crashes that bring down the wireless network. The last outage generated by this bug was on Jan. 18, but we also experience more frequent crashes that do not affect production due to redundancy.

The controllers have the capability for a hitless upgrade (upgrade without affecting service), however we have had mixed experience with this feature in the past. We expect there may be an outage of 10-15 minutes while the controllers reload after the upgrade.

This maintenance will affect wireless networks in Soda, Cory, Sutardja Dai, Blum, and Jacobs Halls, as well as the Calvin Lab, BWRC, and BiD Lab in HMMB.

Please direct any questions about the upgrade to help@eecs.berkeley.edu.
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LDAP issue affected IRIS website and other services

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A network problem with one of our LDAP load balancers caused some intermittent problems with some Departmental services. This probably started overnight when a server was patched and restarted. This morning we had reports of intermittent problems with Repo, and the IRIS roster and network applications on iris.eecs. The problem has been identified and resolved for now. Around 12:10pm we had to restart the server that hosts the iris.eecs website and the Department jabber server, but all services are operational again at this time.

Resolved as of 2017-01-20 12:10:00

Brief Wireless Network outage

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All wireless networks were unavailable for approximately 12-15 minutes due to a simultaneous crash of our primary and backup wireless controllers.

The controllers recovered and APs automatically rejoined; all APs should be back online now.

We are investigating the cause of the crash and any possible steps we can take to prevent this from occurring again.

Resolved as of 2017-01-18 16:31:00