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Scheduled maintenance on public gateways complete

Apr. 18, 2019—Original post: This Saturday morning, April 20th, we will be taking the public gateway and portal servers offline from 7 am to 9 am in order to reboot and upgrade the operating system to CentOS 7.6 from 7.4 and the GPFS filesystem to 5.0.2 from 4.2.3. Updating the entire cluster to GPFS 5 is an...

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New command: slurm_groups

Mar. 11, 2019—We’ve added a new command to the ACCRE cluster, slurm_groups, that allows you to view your current SLURM group membership. This is especially useful if you have GPU access to the cluster, as it gives you the group and partition that you will need to use. Click the link to go to the documentation.  

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[Resolved] /scratch and /data are back online following weekend maintenance

Jan. 24, 2019—Update, 2/12/2019: /scratch and /data are back online and we are now accepting new jobs. We were never able to get the maintenance command to run successfully, but we were able to verify (with IBM’s assistance) the integrity of /scratch and /data, which is great news and means we will not need to take another...

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Final Steps for CentOS 7 Upgrade

Jan. 10, 2019—Update, Jan 25: The CentOS 6 login is now closed. Original post below… It has been a long journey, but we are almost to the end! Please see below for a schedule of the final systems to be upgraded to CentOS 7. Note this schedule does not include a handful of custom/private gateways that still...

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Adding Disk Space to /scratch and /data

Jan. 2, 2019—Beginning at noon today we will be adding a few hundred TB of additional disk space to our gpfs23 filesystem (which includes /scratch and /data). It is possible that this may cause some sluggishness on the cluster for an hour or so. Tonight we will then kick off a migration to redistribute data to these...

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GPU Nodes Available for Testing in CentOS 7 Environment

Nov. 29, 2018—GPU nodes are now available for testing in the CentOS 7 environment. We have 5 nodes available in the pascal partition and 2 nodes available in the maxwell partition, so for now, please limit your jobs to short tests to verify that your application functions correctly. Please continue running your production jobs in the CentOS...

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Introducing the ACCRE Visualization Portal

Nov. 29, 2018—The ACCRE Visualization Portal is a new graphical interface to the ACCRE cluster powered by Open OnDemand. This interface allows users to access all cluster resources conveniently through modern web browsers, and provides the ability to create virtual desktop jobs that create a temporary desktop environment within the cluster on a compute node for interactive...

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Welcome SC18 Attendees!

Nov. 9, 2018—We would like to welcome our fellow attendees of Supercomputing 2018 in Dallas, TX to our site. This page contains our presentation schedule as well as all our posters, presentation slides, relevant links, source code, and presenter bios. We will be in booth 3907 all week.

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ACCRE research featured in PBS documentary “Neanderthal”; parts 1 and 2 online now

Oct. 11, 2018—Vanderbilt professor Tony Capra has been featured in “Neanderthal”, a two-part series on PBS that aired this month. His lab uses ACCRE extensively to explore the genetics of human evolution. Watch the first part of Neanderthal here (expires November 14). Watch the second part of Neanderthal here (expires November 21). Here is a clip from...

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[Resolved] /scratch and /data partially offline

Oct. 11, 2018—Update, 10/16/2018:  /scratch and /data are now 100% available again and we have successfully upgraded the cache in all of our GPFS storage appliances. Please open a helpdesk ticket with us if you have any questions or notice anything unusual. Update, 10/15/2018, 5pm: We are still working to get parts of /scratch and /data back...

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