Author Archives: Mark Miller

Please be judicious in your use of the email option in qsub

One commonly used feature on the JHPCE cluster is the “send me an email when my job completes” option in SGE. This option can be enabled by adding the “-m e -M EMAIL@ADDRESS.COM” options to your qsub command. $ qsub … Continue reading

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Heat issue at MARCC colocation – JHPCE cluster unavailable.

Dear JHPCE community, Update: 2022-06-22 13:00 – The cooling issue has been resolved, and the cluster is once again available. There is currently an issue at the MARCC colocation facility with the cooling system.  We had a number of compute … Continue reading

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JHPCE Cluster to be unavailable from April 11th – April 15th for scheduled preventative maintenance on the HVAC equipment

The JHPCE cluster will be unavailable from April 11th – April 15th in order to accommodate scheduled preventative maintenance to be done on the HVAC system at the MARCC datacenter. We are planning to take the JHPCE cluster down beginning at … Continue reading

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2021-08-14 JHPCE cluster unavailable due to cooling issues at datacenter

The JHPCE cluster is currently down due to cooling issues at the Bayview/MARCC datacenter. We will keep you advised as the status changes.

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Setting per-user job limit on JHPCE cluster

As of June 17th, 2021, we are imposing a limit of 10,000 submitted jobs per user. Previously, there had been no limit, and this has caused issues in the past where the cluster scheduler was overloaded when there were 100s … Continue reading

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2021-05-24 – JHPCE cluster unavailable due to cooling issue

The JHPCE cluster is currently unavailable due to cooling issues at the Bayview/MARCC datacenter where the JHPCE cluster is located.  We apologize for any inconvenience, and we will keep you up to date as we are made aware of any … Continue reading

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Rebooting one DCL storage system Friday, April 2, 8:00AM – 9:00AM

Dear JHPCE community, We will be rebooting one of the DCL01 storage servers this Friday morning in order to resolve an issue with one of the filesystems on that server. The following directories will be unavailable this Friday, April 2, … Continue reading

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2020-07-05 – 7:00 PM – JHPCE Cluster currently down due to cooling/power problems at datacenter

The JHPCE cluster is currently down due to problems with the cooling and power facilities at the Bayview/MARCC Colocation facility. We are being told that the issue will not be repaired until Monday at the earliest, but may take longer. … Continue reading

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COVID-19 Information for the JHPCE cluster

Dear JHPCE community, In the wake of the recent JHU announcements regarding COVID-19, we would like address concerns raised regarding the JHPCE cluster. Operationally there will be no changes for the JHPCE cluster. The JHPCE management and administrative personnel will … Continue reading

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JHPCE cluster maintenance – Friday, Dec 27th from 7:00 AM to 5:00 PM

On Friday, Dec. 27th from 7:00 AM to 5:00 PM we will be taking the JHPCE cluster offline for maintenance.  This downtime is necessary for the following reasons: Power work will be performed in the Bayview datacenter, which could cause disruption … Continue reading

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