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General Talks

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2021-03-08
15:37
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Practical use cases for eos-ns-inspect tools / Valverde Cameselle, Roberto (speaker) (CERN) ; Contescu, Cristian (speaker) (CERN) ; Arsuaga Rios, Maria (speaker) (CERN)
Practical use cases for eos-ns-inspect tools
2021 - 0:21:48. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-08
13:16
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EOS Operations: bits and pieces / Valverde Cameselle, Roberto (speaker) (CERN)
In this presentation we will be sharing some tips and recommendations about different operational procedures on EOS, from techniques to reduce the load on FST's system disk to how to use geoscheduler mechanism for draining and for adding capacity to the instances..
2021 - 0:19:59. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-08
13:16
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EOS in 5 Minutes / Sindrilaru, Elvin Alin (speaker) (CERN) ; Peters, Andreas Joachim (speaker) (CERN)
How to install EOS in 5 minutes and run it..
2021 - 0:15:11. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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2021-03-05
14:40
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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
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 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
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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
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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
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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
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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
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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 - 0:16:49. HEP Computing; EOS workshop External links: Talk details; Event details In : EOS workshop

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