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Thursday, June 1 • 1:30pm - 2:00pm
Lustre management with Ansible

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The CADES project at Oak Ridge National Lab deploys several Lustre file systems across multiple compute platforms. To simplify system administration, diskless Lustre servers are used with root file system images being managed by the GeDI software. Configuration changes to the root file system images are tracked using Ansible. Ansible's support for running playbooks in chroot directories is convenient for managing the Lustre server root images. In addition, Ansible playbooks can be used for common Lustre administration tasks such as formatting the file system and starting/stopping storage targets.

This presentation will provide a brief overview of the CADES project and the Lustre file systems that are deployed. We will discuss how Ansible is used within the CADES project, as well as the advantages and disadvantages of using Ansible to manage chroot directories. Example playbooks will be shown to illustrate how they are used in managing the Lustre server root file system images. We will also discuss how Ansible can be used as a day-to-day Lustre administration tool by using playbooks to format a file system or manage OST failover.

Presenter
avatar for Rick	Mohr

Rick Mohr

Senior HPC System Administrator, National Institute for Computational Sciences
Rick is a senior HPC systems administrator and storage team lead at the University of Tennessee’s National Institute for Computational Sciences (NICS). Rick has worked in the HPC field for over 16 years and has worked primarily with Lustre during the last 7 years. He current... Read More →

Authors
C

Christopher Layton

Oak Ridge National Laboratory
avatar for Nathan	Grodowitz

Nathan Grodowitz

HPC Admin, Oak Ridge National Labs
Nathan has worked in HPC for 10 years, starting at Mississippi State's HPC^2 labratory, then working for the Cray serving the DOD, and works for the CADES project at Oak Ridge National Labs. His main duties involve designing and managing the CADES Scalable HPC cluster, CADES HPC... Read More →
avatar for Rick	Mohr

Rick Mohr

Senior HPC System Administrator, National Institute for Computational Sciences
Rick is a senior HPC systems administrator and storage team lead at the University of Tennessee’s National Institute for Computational Sciences (NICS). Rick has worked in the HPC field for over 16 years and has worked primarily with Lustre during the last 7 years. He current... Read More →



Thursday June 1, 2017 1:30pm - 2:00pm
Alumni Hall (IMU - 1st Floor) 900 E 7th St, Bloomington, IN, 47405

Attendees (8)