changelog Updates

hpc-internal.carnegiescience.edu

timestamp1637184777411

Memex Login Hung on 11/17/21

by Floyd Fayton

Initial incident and probable cause: Broken pipe on the login caused by a file update on the login. The master node and login were both rebooted and “wwsh file sync” commands were automated memex_routecheck.sh (crontab and cron.hourly).

timestamp1593115740001

Login hangs after kernel message...

by Floyd Fayton, HPC Admin

Update (6/29/20): The login hang was caused by high I/O load which is returning after a weekend hiatus. Unfortunately, limiting the I/O on the login is not yet feasible due to the design of the system. The issue is not due to a lack of...

timestamp1590112920001

Master Node Rebooted

by Floyd Fayton, HPC Admin

Incident (5/21/20): While fixing issues with the GPU nodes, the master node became unstable because of several mount points that were damaged. All of the mount were runtime filesystems so a reboot was requested and fulfilled by SRCF...

timestamp1588864500001

SLURM Priority Adjustment

by Floyd Fayton, HPC Admin

Since priorities were not working for those users who use Memex less frequently and in smaller batches of submitted jobs, these parameters were adjusted: As a result gres/gpu was added to: This functionality changes in SLURM 19+, but...

timestamp1581625140001

Did You Know ... Slack Edition

by Floyd Fayton, HPC Admin

Did you know we have a Slack channel for HPC/Research Computing? Signup to our Carnegie Institution for Science workspace (click here) and then join the #hpc channel. Please use your Google login, "@carnegiescience.edu", email...

timestamp1579798560001

Did You Know ... Python Edition

by Floyd Fayton, HPC Admin

Did you know official support for Python 2 is over? That said, we have Python 3 available on Memex by loading the module, "python/3.6.7". This Python version includes conda, R, Jupyter, IntelMPI, and many other packages. Most...

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