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Unified Cloud Storage with Synnefo + Ganeti + Archipelago + Ceph

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Metadaten

Formale Metadaten

Titel Unified Cloud Storage with Synnefo + Ganeti + Archipelago + Ceph
Serientitel FOSDEM 2014
Autor Koukis, Vangelis
Lizenz CC-Namensnennung 2.0 Belgien:
Sie dürfen das Werk bzw. den Inhalt zu jedem legalen Zweck nutzen, verändern und in unveränderter oder veränderter Form vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
DOI 10.5446/32647
Herausgeber FOSDEM VZW
Erscheinungsjahr 2014
Sprache Englisch

Inhaltliche Metadaten

Fachgebiet Informatik
Abstract This talk presents Synnefo's evolution since FOSDEM '13, focusing on its integration with Ganeti, Archipelago, and Ceph to deliver a unified, scalable storage substrate for IaaS clouds. The talk will begin with an overview of the Synnefo architecture (Python, Django, Ganeti, and Xen or KVM). Then, it will introduce Archipelago, a software-defined, distributed storage layer that decouples Volume and File operations/logic from the underlying storage technology, used to store the actual data. Archipelago provides a unified way to provision, handle and present Files, Images, Volumes and Snapshots independently of the storage backend. We will focus on using Ceph/RADOS as a backend for Archipelago. With Archipelago and its integration with Synnefo and Ganeti one can: * maintain commonly-used data sets as snapshots and attach them as read-only disks or writeable clones in VMs running the application, * begin with a base OS image, bundle all application and supporting library code inside it, and upload it to the Archipelago backend in a syncing, Dropbox-like manner, * start a parallel HPC application in hundreds of VMs, thinly provisioned from this Image, * modify the I/O processing pipeline to enable aggressive client-side caching for improved number of IOPS, * create point-in-time snapshots of running VM disks, * share snapshots with other users, with fine-grained Access Control Lists, * and sync them back to their PC for further processing. The talk will include a live demonstration of a workflow including this functionality in the context of a large-scale public cloud. The intended audience spans from enterprise users comparing cloud platforms, to developers who wish to discover a different design approach to IaaS clouds and storage virtualization. Please see the abstract above for a rough sketch of the proposed presentation. The presentation will mostly consist of live demonstration and a small deck of slides, meant to describe the main features of Archipelago and its integration with Synnefo, as well as provoke discussion in the Q&A session. The main workflow in the demonstration will be [copied and pasted from the Abstract]: * begin with a base OS image, bundle all application and supporting library code inside it, and upload it to the Archipelago backend in a syncing, Dropbox-like manner, * start a parallel HPC application in hundreds of VMs, thinly provisioned from this Image, * modify the I/O processing pipeline to enable aggressive client-side caching for improved number of IOPS, * create point-in-time snapshots of running VM disks, * share snapshots with other users, with fine-grained Access Control Lists, * and sync them back to their PC for further processing

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