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The FreeBSD GEOM Disk I/O Subsystem
Who should attend: FreeBSD system administrators and power users will learn how to interact with GEOM in order to control and diagnose problems. FreeBSD programmers will get a comprehensive introduction to the GEOM subsystem and should be able to go home and write trivial GEOM transformations with little trouble. Programmers and architects from other OS projects will be able to judge whether they should consider adopting GEOM for their operating system.

In today's heterogeneous environments, the traditional UNIX philosophy on disks fails to deliver a competitive service. Apple's iPod uses Apple's own disk partitioning format, but UNIX kernels recognize only their own formats.

GEOM is the new disk I/O subsystem in FreeBSD 5.x. It provides an extensible and modular framework for "doing things" to disk I/O requests. It allows you to recognize Apple partitions on your PC and Solaris partitions on your Alpha, mirror your striped disks, stripe your mirrored disks, and even stripe your encrypted, mirrored Apple partitions on your Sparc64 computer.

speaker: Poul-Henning Kamp

location: TBA


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