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Tuesday, October 22 • 4:50pm - 5:40pm
Fixing the Filesystem Freeze API - Fernando Luis Vazquez Cao, NTT Open Software Center

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There are several issues with the way filesystem freeze works in   Linux, among them: there is no check API, which means there is no easy way to know whether a filesystem is frozen or not; it is possible to umount a frozen filesystem despite the fact that there is no API to thaw an unmounted filesystem; it is not possible to freeze multi-device filesystems such as BTRFS; it does not play well with DM snapshot.

This presentation provides an overview of the current work to fix the filesystem freeze API, which should make an essential part of many backup and snapshot solutions much more robust.

Speakers
FL

Fernando Luis Vazquez Cao

Fernando is a Linux developer based in Tokyo. His current interests include virtualization, data center bridging technologies, and high performance networking and storage systems. He is currently a principal software engineer at NTT Open Software Center and senior consultant at NTT Data Intellilink, dividing his time between community open source work and his consulting and support duties at NTT.


Tuesday October 22, 2013 4:50pm - 5:40pm
Monteith

Attendees (8)