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Virtual Event | September 15-16, 2021
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Wednesday, September 15 • 13:35 - 14:00
New Qemu Backup Architecture and API - Vladimir Sementsov-Ogievskiy, Virtuozzo

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Qemu block-layer moves to node-oriented APIs, user gets abilities to control the whole block graph. New approach allows to insert and remove filter drivers dynamically (for example, to enable throttling or copy-on-read). New backup API goes the same way: user could use copy-before-write filter to setup fleecing scheme in separate, may combine it with backup to setup push-backup-with-fleecing or with NBD export to setup pull-backup. Simple building blocks which are combined to solve complex task. The presentation will describe new interfaces, intended usage and some internals of Qemu backup.
Speakers
VS

Vladimir Sementsov-Ogievskiy

software developer, Virtuozzo
Vladimir works in Virtuozzo, maintaining qemu-kvm-vz package and deals in the main with Qemu block layer, developing features around backup, qcow2 and NBD. Vladimir is a co-maintainer of NBD and Block Jobs subsystems in Qemu. Some ongoing projects are: filter-based backup architecture... Read More →

kvm forum 2021 vsementsov pdf
Wednesday September 15, 2021 13:35 - 14:00 UTC
TBA
  KVM Track 2
  • Presentation Slides Attached Yes