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Computer Systems Status
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30 November 2024 — Scheduled Downtime
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Beginning @8:00a Monday, November 25 SLURM job submission will be disabled on queue.cs.purdue.edu. Then, beginning @8:00a Saturday morning, November 30, queue.cs.purdue.edu will be down for system maintenance for approximately one hour. queue.cs.purdue.edu should be available again @9:00a.
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12 August 2024 — Scheduled Downtime
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Beginning Monday, August 12 myCS (https://my.cs.purdue.edu/) will be restricted to on-campus and VPN access. To use myCS you will need to access it from a campus computer or connect with Purdue VPN (https://it.purdue.edu/connections/vpn/)
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23 May 2024 — Scheduled Downtime
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Beginning at 6:30 AM Thursday the deparment wiki server (legion.cs)
will be unavailable for approximately one hour, for system
software upgrades.
During these times, web services will not be available.
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22 May 2024 — Scheduled Downtime
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Beginning at 6:30 AM Wednesday the deparment web server (pythia.cs)
will be unavailable for approximately one hour, for system
software upgrades.
During these times, web services will not be available.
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1 April 2024 — Unscheduled Downtime
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The departmental file server (ban.cs) was power-cycled at
at (3:40P) due to tape drive problems. It was again available
about 4:00P.
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26 March 2024 — Unscheduled Downtime
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The undergraduate compute server (data.cs.purdue.edu)
experienced a fault in the ethernet driver, causing the
machine to become unresponsive (18:30). The machine was
rebooted and has resumed regular service.
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12 March 2024 — Scheduled Downtime
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On Tuesday evening March 12 between 7:00 PM and midnight
Purdue IT will be rerouting network connections on a core
switch in the LWSN data center. This will impact wired
network connections throughout LWSN and some connections in
HAAS (HAAS 279). The actual downtime for a given connection
will likely be only one or two times of a minute or two
duration while cables are moved from the old switch to the new
one, but plan for a couple 30 minute outages during the 5-hour
maintenance window.
If the work cannot be completed on Tuesday evening, there is a backup maintenance window on Thursday evening March 14 between 7:00 PM and midnight.
Note: the maintenance window has been extended since the initial posting.
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10 March 2024 — Scheduled Downtime
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On Sunday evening March 10 between 6:00 PM and 9:00 PM the
myCS portal (my.cs.purdue.edu) will be down. During that time
we will be migrating the backend database from one system to
another.
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1 January 2024 — Software Update
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Beginning January 1, the Slurm job scheduling system controller
will be moved from mc17.cs.purdue.edu to queue.cs.purdue.edu. Also
during the time, the Slurm software package will be upgraded from
20.02.1 to 21.08.5. After the upgrade, users will no longer need
to use -
module load slurm
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28 October 2023 — Scheduled Downtime
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This weekend, October 28-29, Purdue CS will be hosting a site
for the International Collegiate Programming Contest (ICPC)
for the East Central NA (ECNA) region. Four of the
instructional labs in LWSN will be used for the contest
̵
B146, B148, B158, and B160.
There will be a practice session Saturday evening 7:30pm-9pm. The official contest will be Sunday 11am-4pm. During the practice and contest sessions, the labs will be closed completely to outside use.
During the morning and afternoon Saturday IT staff will be re-imaging some of the machines for the contest. Re-imaged machines will be marked with a sign and will not be available for use. Other machines will be available for use until about an hour before the scheduled sessions. Please plan accordingly.
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9 October 2023 — Scheduled Downtime
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Beginning at 9:00 AM the undergraduate computer server (data.cs)
will be unavailable for approximately one hour, to have its
network connection upgraded to 10Gbps. During this time,
data.cs.purdue.edu will be unavailable for use.
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13 August 2023 — Scheduled Downtime
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Beginning at 10:00 PM the department package file server (ban.cs)
will be unavailable for approximately two hours, for system
software upgrades. During this time, ban.cs.purdue.edu will be
unavailable for use. All diretories in
/p/packagenamewill be unavailable as well.
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6 August 2023 — Scheduled Downtime
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Due to ongoing account compromises, password-only Secure Shell
(SSH) access to CS Linux machines will be discontinued at 8AM,
6 August 2023. At that time, multifactor authentication using
Purdue Login will be required when using SSH.
At the SSH password prompt, enter your Purdue career account password followed by ,push to receive a Duo notifcation or ,NNNNNN where NNNNNN is the 6-digit code from your hardware token or Duo app.
For more information on Purdue Login, visit https://it.purdue.edu/login/.
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6 August 2023 — Scheduled Downtime
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Beginning at 12:00 AM the graduate file server (antor.cs) and
the faculty/staff file server (madoc.cs) will be unavailable for
approximately two hours, for system software upgrades. During
this time, both antor.cs.purdue.edu and madoc.cs.purdue.edu will
be unavailable for use.
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28 July 2023 — Scheduled Downtime
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Beginning at 08:00 AM the network connection for riker.cs
will be moved to a 10Gbps switch. During this time,
undergraduate users may experience a brief outage of their
home directories. The move should take approximately
twenty minutes.
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16 July 2023 — Unscheduled Downtime
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The server for www-cgi.cs.purdue.edu died some time Sunday.
It was a very old server that provided CGI service for a few
legacy user applications. The machine has been removed from
service. Alternatives will be provided to end users.
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13 June 2023 — Scheduled Downtime
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Beginning at 09:00 AM Purdue IT will be migrating the CSORA
Oracle database from stand-alone to multitenant configuration.
The migration will take 2-3 hours. The database will be
unavailable during this time.
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2 June 2023 — Scheduled Downtime
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Beginning at 09:00 AM the ML compute servers (ml[00..08].cs).
will be unavailable for approximately six hours for system software upgrades.
During this time, ML slurm queues and data storage will be unavailable for use.
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23 May 2023 — Scheduled Downtime
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Beginning at 12:00 AM the undergraduate compute servers (mc[17..21].cs).
will be unavailable for approximately two hours, for system software upgrades.
During this time, mc17.cs.purdue.edu, mc18.cs.purdue.edu, mc19.cs.purdue.edu,
mc20.cs.purdue.edu and mc21.cs.purdue.edu will be unvailable for use.
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22 May 2023 — Scheduled Downtime
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Beginning at 12:00 AM the undergraduate compute server (data.cs)
will be unavailable for approximately two hours, for system software upgrades.
During this time, data.cs.purdue.edu will be unvailable for use.
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19 May 2023 — Scheduled Downtime
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TeXLive on Linux hosts has been replaced with a TeXlive module.
Users can use -
module load texlive
to use tex/latex/pdftex/pdflatex/xdvi/dvips, etc.