Conveners
Storage & Filesystems
- Peter van der Reest (DESY)
Storage & Filesystems
- Ofer Rind
Storage & Filesystems
- Peter van der Reest (DESY)
Storage & Filesystems
- Ofer Rind
Storage & Filesystems
- There are no conveners in this block
The CERN IT Storage group operates multiple distributed storage systems and it is responsible for the support of the CERN storage infrastructure, ranging from the physics data of the LHC and non-LHC experiments to users' files.
This talk will summarise our experience and the ongoing work in evolving our infrastructure, focusing on some of the most important areas.
EOS is the high-performance...
In 2019 and 2020 there will be the long shutdown of the LHC.
Besides technical interventions on the accelerator itself, we plan to review our practices and upgrade our Oracle databases.
In this session I will show what goals we have on the Oracle Database side and how we intend to achieve them.
The CERN IT-Storage group Analytics and Development section is responsible for the development of Data Management solutions for Disk Storage and Data Transfer. These solutions include EOS - the high-performance CERN IT distributed storage for High-Energy Physics, DPM - a system for managing disk storage at small and medium sites, and FTS - the service responsible for distributing the majority...
In this talk, I will give an update to the ATLAS data carousel R&D project, focused mainly on the recent tape performance tests, on the T1 sites. Main topics to be covered include :
1) the overall throughput delivered by the tape system
2) the overall throughput delivered to the end user (rucio)
3) any issues/bottlenecks in the various service layers (tape, SRM, FTS, rucio) observed
4)...
The NSF-funded OSiRIS project (http://www.osris.org), which is creating a multi-institutional storage infrastructure based upon Ceph and SDN is entering its fourth year. We will describe the project, its science domain users and use cases, and the technical and non-technical challenges the project has faced. We will conclude by outlining the plans for the remaining two years of the project...
Fujifilm is the world's leading manufacturer of magnetic tapes (LTO, 3592 and T10000). More than 80% of the storage capacity delivered on tapes comes from Fujifilm's manufacturing and assembly plants in Odawara (Japan) and Bedford (USA). Fujifilm is working in partnership with IBM on the development of the
next tape generations: a roadmap is established, describing the tape formats that will...
FlexiRemap® Technology
Patented design, built from the ground up for replacing disk- based
RAID in flash storage arrays.
Faster performance, longer SSD lifespan, and advanced data
protection over traditional RAID technology.
CERN has purchased LTO-8 tape drives that we have started to use with LTO-8 and LTO-7 type M media. While LTO is attractive in terms of cost/TB, it lacks functionality for fast positioning available on enterprise drives, such as a high-resolution tape directory and drive-assisted file access ordering (aka RAO). In this contribution, we will outline our experiences with LTO so far, describe...
High performance computing (HPC) environments continually test the limits of technology and require peak performance from their equipment—including storage. Slow overall writing of data and long seek times between file reads due to non-consecutive files, library partitioning, or laborious loading mechanisms often plague tape library efficiencies for large tape users managing massive sets of...
CTA is designed to replace CASTOR as the CERN Tape Archive solution, in order to face scalability and performance challenges arriving with LHC Run-3.
This presentation will give an overview of the initial software deployment on production grade infrastructure. We discuss its performance against various workloads: from artificial stress tests to production condition data transfer sessions with...
CERN's Backup Service hosts around 11 PB of data, in more than 2.1 billion files. We have over 500 clients which back up or restore an average of 80 TB of data each day. At the current growth rate, we expect to have about 13 PB by the end of 2018.
In this contribution we review the impact of the latest changes of the backup infrastructure. We will see how these optimizations helped us to...
