Purdue University - Department of Computer Science - Computer Systems Status
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Computer Systems Status


18 August 2019 — Scheduled Downtime
antor.cs (graduate file server) will be down starting @6a for storage upgrades. The expected downtime will be 4-8 hours. During this time, all graduate student home directories will be unavailable. Any processes running on remote servers accessing files on antor will likely become unresponsive. Please save all work, kill off any processes and logout beforehand.

11 August 2019 — Scheduled Downtime
antor.cs (graduate file server) will be down starting @6a for storage upgrades. The expected downtime will be 4-8 hours. During this time, all graduate student home directories will be unavailable. Any processes running on remote servers accessing files on antor will likely become unresponsive. Please save all work, kill off any processes and logout beforehand.

7 August 2019 — Scheduled Downtime
On Wednesday morning, August 7, between 5:30AM and 9:30AM, Computer Science servers and networking will be down for an infrastructure upgrade in our main data center.

Between 6AM and 8AM, electricians will be adding additional power whips to our main UPS in the data center. This will require that the power be turned off for the front row of racks. To facilitate the electricians' needs, IT staff will begin shutting down the servers in those racks at 5:30AM.

Servers will be returned to service when power has been restored.

In addition to servers, the power will be shut off to core network switches located in the racks. This means even though office computers and research computers in other locations will stay on, they will likely not have network access.

To avoid losing work, it is advised to save your work and log out of your computer before 5:30AM (i.e. when you leave work Tuesday) and not use your computer during this time, particularly the 6AM-8AM time while the network is down.

6 August 2019 — Scheduled Downtime
Arthur will be down from 9PM until about 10PM for a system move to another location in the datacenter. During this time authentication services for faculty and staff UNIX/Linux machines will be unavailable.

11 June 2019 — Software Update
The default version of Matlab for CS Linux hosts will be updated to Matlab-9.6 (R2019a) on 11 June 2019.

10 June 2019 — Scheduled Downtime
riker.cs (under-graduate file server) will be down starting @8a to have 40Gbps ethernet card installed. During this time no under-graduate students will be able to access their home directories. The outage should last about thirty minutes. All login sessions on data.cs (under-graduate compute server) will be terminated beforehand.

23-24 May 2019 — Scheduled Downtime
ITaP Networking will be upgrading our network link between LWSN and the rest of campus on the evening of May 23 from 11PM until May 24 2AM. They will also be reconfiguring routing between CS and campus networks. There will be extended network disruption for all CS networks during this time.

This work was not able to be completed as schedule. It has been postponed until a later date.

16 May 2019 — Scheduled Downtime
madoc.cs (faculty/staff file server) will be down starting @6a to have it's /home and /scratch2 filesystems enlarged. It should be operational by 7a.

15-16 May 2019 — Scheduled Downtime
Contractors on behalf of ITaP Networking will be upgrading network infrastructure in LWSN on the evening of May 15 from 11PM until May 16 6AM. There will be general network disruption.

13 May 2019 — Scheduled Downtime
cuda.cs (departmental GPU server) will have it's OS updated from Ubuntu 16.04 to 18.04. It will be down starting @8a, and should be back up and available by noon.

9 May 2019 — Scheduled Downtime
The XINU lab hosts (xinu00-xinu24) will be down for system replacments starting @8a. They will return to service by 4p.

7 May 2019 — Software Update
Default Matlab installation for all CS Linux hosts updated from 9.1 (R2016b) to 9.4 (R2018a). Removed 7.12 (R2011a) installation.
Archived entries

Department of Computer Science, 305 N. University Street, West Lafayette, IN 47907

Phone: (765) 494-6010 • Fax: (765) 494-0739

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