DHCP

Dept DHCP service

October IRIS Server Patching

October 4, 2024 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, October 8th, 2024. Various IRIS Windows and Linux servers will be patched and rebooted Tuesday or Wednesday.

PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, October 9th, at 3:00am. WINTERM may be unavailable until 10:00am Wednesday, depending on additional software updates.

Linux servers lists.eecs, iris2.eecs (for access to the network and roster databases), and login.eecs/login-mfa.eecs will be patched and rebooted Wednesday night. DNS servers cronus, themis, and rhea may also be briefly unavailable while rebooting at approximately 8:00pm Tuesday.

On Wednesday, October 9th, the departmental DHCP server is scheduled for downtime from 10pm to 10:30pm (actual downtime is expected to be shorter than scheduled)

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September IRIS Server Patching

September 6, 2024 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, September 10th, 2024. Various IRIS Windows and Linux servers will be patched and rebooted Tuesday or Wednesday.

PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, September 11th, at 3:00am. WINTERM may be unavailable until 10:00am Wednesday, depending on additional software updates.

Linux servers lists.eecs, iris2.eecs (for access to the network and roster databases), and login.eecs/login-mfa.eecs will be patched and rebooted Wednesday night. DNS servers cronus and rhea may also be briefly unavailable while rebooting at approximately 8:00pm Tuesday.

On Wednesday, September 11th, the departmental DHCP server is scheduled for downtime from 10pm to 10:30pm (actual downtime is expected to be shorter than scheduled).

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August IRIS Server Patching

August 9, 2024 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, August 13th, 2024. Various IRIS Windows and Linux servers will be patched and rebooted Tuesday or Wednesday.

PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, August 14th, at 3:00am. WINTERM may be unavailable until 10:00am Wednesday, depending on additional software updates.

Linux servers lists.eecs, iris2.eecs (for access to the network and roster databases), and login.eecs will be patched and rebooted Wednesday night. DNS servers cronus and rhea may also be briefly unavailable while rebooting at approximately 8:00pm Tuesday.

Updates to our VMware servers on Tuesday night may mean brief service interruptions to various IRIS services hosted on virtual machines.

On Wednesday, August 14th, the departmental DHCP server is scheduled for downtime from 10pm to 10:30pm (actual downtime is expected to be shorter than scheduled).

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July IRIS Server Patching

July 5, 2024 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, July 9th, 2024. Various IRIS Windows and Linux servers will be patched and rebooted Tuesday or Wednesday.

PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, July 10th, at 3:00am. WINTERM may be unavailable until 10:00am Wednesday, depending on additional software updates.

On Wednesday, July 10th, the departmental DHCP server is scheduled for downtime from 10pm to 10:30pm (actual downtime is expected to be shorter than scheduled).

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Upgrading dhcp.eecs Friday, July 5

June 26, 2024 by Lars Rohrbach

On Friday, July 5, from about noon to 2pm, we will be performing an OS upgrade for dhcp.eecs.

During this time, DHCP service will be handled by our backup DHCP server, so there should be no significant interruption of service — but no new DHCP updates will be processed (i.e. new system network registrations will not become effective until after the upgrade is complete).

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June IRIS Server Patching

June 7, 2024 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, June 11th, 2024. Various IRIS Windows and Linux servers will be patched and rebooted Tuesday or Wednesday.

PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, June 12th, at 3:00am. WINTERM may be unavailable until 10:00am Wednesday, depending on additional software updates.

On Wednesday, June 12th, the departmental DHCP server is scheduled for downtime from 10pm to 10:30pm (actual downtime is expected to be shorter than scheduled).

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Unplanned East Campus Power Outage

May 22, 2024 by Lars Rohrbach

Just before 6:30pm, the campus experienced a wide-spread power outage. Most of the east side of campus remains without power at the time of this writing. There is currently no estimate for when power will be restored.

IRIS services in Soda and Cory will be either shut down imminently, or will soon become unavailable, as UPS power is used up. Once power is safely restored to campus, we will work to bring services back online to the best of our abilities.

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May IRIS Server Patching

May 10, 2024 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, May 14th, 2024. Various IRIS Windows and Linux servers will be patched and rebooted Tuesday or Wednesday.

PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, May 15th, at 3:00am. WINTERM may be unavailable until 10:00am Wednesday, depending on additional software updates.

Linux servers lists.eecs, iris2.eecs (for access to the network and roster databases), and login.eecs will be patched and rebooted Tuesday night. DNS servers cronus and rhea may also be briefly unavailable while rebooting at approximately 8:00pm Tuesday.

On Wednesday, May 15th, the departmental DHCP server is scheduled for downtime from 10pm to 10:30pm (actual downtime is expected to be shorter than scheduled).

[Read more…]

April IRIS Server Patching

April 7, 2024 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, April 9th, 2024. Various IRIS Windows and Linux servers will be patched and rebooted Tuesday or Wednesday.

PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, April 10th, at 3:00am. WINTERM may be unavailable until 10:00am Wednesday, depending on additional software updates.

On Wednesday, April 10th, the departmental DHCP server is scheduled for downtime from 10pm to 10:30pm (actual downtime is expected to be shorter than scheduled).

[Read more…]

March IRIS Server Patching

March 9, 2024 by Lars Rohrbach

Microsoft will release their patches for the month on Tuesday, March 12th, 2024. Various IRIS Windows and Linux servers will be patched and rebooted Tuesday or Wednesday.

PRINT, WINTERM and WDS will automatically patch and reboot Wednesday, March 13th, at 3:00am. WINTERM may be unavailable until 10:00am Wednesday, depending on additional software updates.

On Wednesday, March 13th, the departmental DHCP server is scheduled for downtime from 10pm to 10:30pm (actual downtime is expected to be shorter than scheduled).

[Read more…]