OSCER users,

All Schooner login and dtn nodes are in full production again.

Please go back to logging in to

schooner.oscer.ou.edu

Many thanks to the OSCER Operations Team for getting this
login issue resolved!

As always, we apologize for the trouble.

STATUS

* schooner1, schooner2, dtn2
-- UP
-- Login procedure is normal.
-- All /scratch directories *ARE* accessible.
-- OURdisk directories *ARE* accessible.
-- *CAN* use compilers.

* dtn1
-- UP
-- Login procedure is normal.
-- All /scratch directories *ARE* accessible.
-- OURdisk directories *AREN'T* accessible
(this is normal for dtn1).
-- *CAN* use compilers.

Henry

----------

On Mon, 7 Nov 2022, Henry Neeman wrote:

>Update:
>
>* schooner1: DOWN for maintenance
>
>* schooner2
>-- UP
>-- To log in, you need to do the Ctrl-C Ctrl-C Ctrl-Z Ctrl-Z
>thing to finish logging in.
>-- OURdisk directories *ARE* accessible right now.
>-- Some /scratch directories *AREN'T* accessible right now.
>-- *CAN* use compilers.
>
>* dtn1
>-- UP
>-- Logging in works.
>-- OURdisk directories *AREN'T* accessible right now.
>-- Some /scratch directories *AREN'T* accessible right now.
>-- *CANNOT* use compilers.
>
>* dtn2
>-- UP
>-- Logging in works.
>-- OURdisk directories *ARE* accessible right now.
>-- Some /scratch directories *AREN'T* accessible right now.
>-- *CANNOT* use compilers.
>
>Henry
>
>----------
>
>On Mon, 7 Nov 2022, Henry Neeman wrote:
>
>OSCER users,
>
>UPDATE:
>
>Regarding the Schooner login node problem:
>
>We've identified two sources of this problem, and we're
>working to resolve them both:
>
>(a) the user database cache on the login nodes and dtn nodes
>had gotten filled up with a lot of old cached data, so we've
>flushed out all the old cached data,
>
>AND
>
>(b) one of our /home directory diskfull servers, home2,
>has experienced a network card failure, so we're replacing
>that network card with a spare.
>
>We hope to have the login issue resolved later today.
>
>We apologize for the trouble!
>
>Henry
>
>----------
>
>On Sun, 6 Nov 2022, Henry Neeman wrote:
>
>OSCER users,
>
>Logins on schooner2 have also gone bad. We hope to have
>this issue resolved by tomorrow morning (Mon Nov 7).
>
>You can log in to Schooner, but it's a more complicated
>than usual.
>
>See below:
>
>I. LOGGING IN
>II. COMPILING
>III. BATCH JOBS NOT AFFECTED
>
>We apologize for the trouble.
>
>Henry
>
>---
>
>I. LOGGING IN
>
>For now, you can log in to
>
>dtn2.oscer.ou.edu
>
>OR
>
>dtn1.oscer.ou.edu
>
>instead of schooner, schooner1 or schooner2.
>
>On dtn2, /scratch directories are available,
>and also OURdisk directories.
>
>On dtn1, /scratch directories are available,
>but OURdisk directories might not be.
>
>---
>
>II. COMPILING
>
>For compiling, please log in to
>
>schooner1.oscer.ou.edu
>
>OR
>
>schooner2.oscer.ou.edu
>
>If the login procedure gets stuck after the login message,
>you can do the following:
>
>Ctrl-C Ctrl-C Ctrl-Z Ctrl-Z Ctrl-C Ctrl-C Ctrl-Z Ctrl-Z ...
>
>After several of those, you should get your regular
>Unix prompt.
>
>But, on schooner1 and schooner2, you might not be able to
>access your /scratch directory and/or your OURdisk directory
>(if you have one).
>
>(You should be able to access your /home directory there.)
>
>---
>
>III. BATCH JOBS NOT AFFECTED
>
>Please note that these problems *DON'T* appear to be
>affecting compute nodes, so your running and pending jobs
>should be fine.
>
>But it might be wise to double check, just in case.
>
>----------
>
>On Thu, 3 Nov 2022, Henry Neeman wrote:
>
>OSCER users,
>
>For the moment, please log in to
>
>schooner2.oscer.ou.edu
>
>instead of the usual schooner.oscer.ou.edu.
>
>This is because schooner1.oscer.ou.edu is currently hanging
>on logins.
>
>We'll alert you when schooner1 is back in full production.
>
>We apologize for the trouble!
>
>---
>
>Henry Neeman ([log in to unmask])
>Director, OU Supercomputing Center for Education & Research (OSCER)
>Associate Professor, Gallogly College of Engineering
>Adjunct Associate Professor, School of Computer Science
>OU Information Technology
>The University of Oklahoma
>
>Engineering Lab 212, 200 Felgar St, Norman OK 73019
>405-325-5386 (office), 405-325-5486 (fax), 405-245-3823 (cell),
>[log in to unmask] (to e-mail me a text message)
>http://www.oscer.ou.edu/