storage mit ceph (glt 2013)
TRANSCRIPT
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Storage mit Ceph Scale-Out ganz einfach
Martin Gerhard Loschwitz
© 2013 hastexo Professional Services GmbH. All rights reserved.
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Wer?
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Skalierbares Storage
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2 Arten von Skalierbarkeit
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Scale-Up
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Scale-Up vorher:
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Scale-Up danach:
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Scale-Up stößt schnell an seine Grenzen
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Scale-Out
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Scale-Out vorher:
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Scale-Out danach:
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Scale-Out ist hip
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Webserver
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Datenbanken
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Sogar ich!
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Storage? Meh.
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Das Block-Problem
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HDD FS
User Space
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Blöcke für verteilte Systeme?
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Ich glaube nicht, Tim!
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Object Stores
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User Space
Objects
HDD
FS
HDD
FS
HDD
FS
HDD
FS
HDD
FS
HDD
FS
HDD
FS
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User Space
Objects
HDD
FS
HDD
FS
HDD
FS
HDD
FS
HDD
FS
HDD
FS
HDD
FS
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Ursprünglich eine Dissertation
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Object Store
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RADOS
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Redundant Autonomic Distributed Object Store
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2 Komponenten
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OSDs
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MONs
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Data Placement
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MONs
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MONs
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MONs
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MONs
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MONs
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MONs
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MONs
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Parallelisierung
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MONs
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MONs
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MONs
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MONs
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CRUSH
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Controlled Replication Under Scalable Hashing
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Rack aware
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Clients?
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Block Device Driver
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RBD (RADOS Block Device)
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rbd
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Qemu-RBD
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ReSTful API
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radosgw
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Kompatibel mit S3 und Swift
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POSIX file system
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CephFS
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CephFS: Leider noch Beta!
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Keinen passenden Client gefunden?
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librados
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Einsatzszenarien
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Gigantic Storage
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40TB, 3 Replikas = € 21.000
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Virtualisierung
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iSCSI Storage
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Cloud
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OpenStack
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Live-Demo
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24. Mai 2013
OpenStack DACH Tag 2013
http://openstackdach2013.eventbrite.com
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Mit besonderem Dank an:
Sage Weil (Twitter: @liewegas) & Crew für Ceph
Inktank (Twitter: @inktank)
für das Ceph-Logo
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goo.gl/S1sYZ (me on Google+)
twitter.com/hastexo
hastexo.com
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MONS