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2021-03-05
16:47

Applying Data Analytics to Storage Systems and Data Access / Chuchuk, Olga (speaker) (Université Côte d'Azur (FR)) ; Gargiulo, Federico (speaker) (Universita e sezione INFN di Napoli (IT)) ; Sciabà, Andrea (speaker) (CERN) ; Sciaba, Andrea (speaker) (CERN)
2021 - Streaming video. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-05
14:40

EOS+CTA WorkFlows: Tape Archival and Retrieval / Davis, Michael (speaker) (CERN)
The CERN Tape Archive (CTA) is the tape back-end to EOS. EOS provides an event-driven interface, the WorkFlow Engine (WFE), which is used to trigger the processes of archival and retrieval. [...]
2021 - 0:19:07. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-05
14:26

CTA best practices for data taking workflows / Yurchenko, Volodymyr (speaker) (National Academy of Sciences of Ukraine (UA))
There is significant diversity in the Data Acquisition (DAQ) systems of the non-LHC experiments supported at CERN. Each system can potentially have its own data taking software and helper scripts, and each can use their preferred data transfer commands and apply different checks and retry policies. [...]
2021 - 0:18:20. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-05
14:24

Running an EOS instance with tape on the back / Leduc, Julien (speaker) (CERN)
An EOSCTA instance is an EOS instance commonly called a tape buffer configured with a CERN Tape Archive (CTA) back-end. This EOS instance is entirely bandwidth oriented: it offers an SSD based tape interconnection, it can contain disks if needed and it is optimized for the various tape workflows. This talk will present the specific details of the EOS tape buffer tweaks and the Swiss horlogery gears in place to maximize tape hardware usage while meeting experiment workflow requirements..
2021 - 0:21:07. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-05
14:20

AARNet CTA Investigations / Jericho, David (speaker) (AARNet)
2021 - 0:18:12. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-05
14:02

ALICE and the CTA Garbage Collectors / Murray, Steven (speaker) (CERN)
In the standard layout of an EOSCTA deployment there are two SSD buffers in front of the tape drives. One is called the “default” space and is used for writing files to tape and the other is called the “retrieve” space and is used for reading them back. [...]
2021 - 0:19:37. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-05
14:02

A brief overview of the CTA mount scheduling logic / Caffy, Cedric (speaker) (CERN)
Accessing data in a tape archival system can be costly in terms of time. The time taken to mount a tape into a drive, to position the tape head to a file and to unmount the tape when this file has been read can take more than 2 minutes. A tape drive cannot be used to archive or retrieve data during the mounting and unmounting of a tape. [...]
2021 - 0:28:24. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-05
14:02

EOS for ALICE O2 - HW setup and OS challenges / Contescu, Cristian (speaker) (CERN)
This presentation will briefly showcase the ALICE O2 HW setup for the pilot storage nodes and the OS challenges we have faced when trying to tweak it for maximum performance, in view of ALICE's Run3 data taking..
2021 - Streaming video. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-05
13:30

EOS meets Helm: K8s-based instances for testing and external deployments / Alfageme Sainz, Samuel (speaker) (CERN) ; Bocchi, Enrico (speaker) (CERN) ; Luchetti, Fabio (speaker) (CERN)
This contribution reports on the recent development of Helm charts for the deployment of EOS in kubernetes-orchestrated clusters. An excursus on the state of the art will lead to the underlying motivations and the description of several use cases where a container-based deployment of EOS comes in handy, from disposable clusters for internal testing to installations in commercial clouds for HEP analysis and education..
2021 - 0:25:13. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-05
13:17

EOS on CephFS / van der Ster, Dan (speaker) (CERN) ; Peters, Andreas Joachim (speaker) (CERN)
This presentation will highlight how to deploy EOS effectively using CephFS as a storage backend, the basic operational aspects for EOS and CephFS and performance expectations..
2021 - Streaming video. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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