Author Archives: Mark Miller

JHPCE Cluster Upgrade – August 26 – 28

Posted on 2019-07-30 by Mark Miller

Dear JHPCE Community, We are planning on taking the JHPCE cluster offline from August 26th – 28th in order to upgrade the nodes from their current Redhat 6.9 environment to Centos 7.6.  As part of the upgrade process, we have set … Continue reading →

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Upcoming JHPCE cluster downtime – Aug 24 – Aug 29 – for power work at Bayview datacenter

Posted on 2018-08-06 by Mark Miller

The JHPCE cluster will be unavailable beginning at 5:00 PM on Friday August 24, and will be available at 5:00 PM on Wednesday, August 29th. The downtime is needed for the installation of a new backup generator at the MARCC/Bayview … Continue reading →

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JHPCE cluster unavailable from 6:00 AM on Monday, January 22nd until 5:00 PM on Wednesday, January 24th for power work

Posted on 2018-01-05 by Mark Miller

Dear JHPCE Community, Please be advised that the JHPCE cluster will be unavailable starting at 6:00 AM on Monday, January 22nd and will not be available until 5:00 PM on Wednesday, January 24th for power work and network maintenance scheduled … Continue reading →

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Upcoming patching on the JHPCE cluster – August 2017

Posted on 2017-07-21 by Mark Miller

During the early part of August, we will be installing system and security patches across all of the nodes on the JHPCE cluster.  The upgrades will be done in a rolling manner so as to minimize the impact of this … Continue reading →

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Memory usage on the JHPCE cluster, and availability of the “gedit” editor

Posted on 2017-06-23 by Mark Miller

Dear JHPCE community, As part of our continuing efforts to more efficiently utilize RAM on the JHPCE cluster, we will be making a couple of changes to the current cluster configuration.  Our analysis of jobs run over the last year … Continue reading →

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Upcoming JHPCE downtime for power work – April 25 – 27

Posted on 2017-03-27 by Mark Miller

The JHPCE cluster will be unavailable from 5:00 AM on Tuesday, April 25th to 5:00 PM on Thursday, April 27th for planned power work that will be performed at the Bayview/MARCC facility. Please schedule your jobs accordingly. Sorry for this … Continue reading →

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Maintenance on DCS01 Thursday, December 29th from 8:00 AM – 5:00 PM

Posted on 2016-12-26 by Mark Miller

The DCS01 Storage Array will be offline this Thursday, December 29th, starting at 8:00 AM for system maintenance.  Please schedule your jobs accordingly.  We may need to forcibly terminate any jobs that we find using any storage in the /dcs01 … Continue reading →

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Availability of RStudio on the JHPCE cluster

Posted on 2016-12-26 by Mark Miller

We recently installed the RStudio graphical R Integrated Development Environment (IDE) on the JHPCE cluster. Some people find the RStudio program helpful in organizing R projects, and writing and debugging R programs.  For more detailed instructions on using RStudio, please … Continue reading →

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JHPCE Cluster Downtime – Oct 17 – 19

Posted on 2016-09-15 by Mark Miller

We have just been informed that there is going to be power work performed at the Bayview/MARCC facility from October 17 – October 19th.  We will need to power down the JHPCE cluster for this work, so JHPCE the cluster … Continue reading →

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Upcoming JHPCE Cluster Move and Downtime – August 18th – 24th

Posted on 2016-06-28 by Mark Miller

We will be moving the JHPCE cluster equipment to the University’s new collocation site on the Bayview Campus. We are on track to outgrow the existing server room, which has limited power and cooling capabilities. The change of venue will have no … Continue reading →

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