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VM Block Error Injection - A Novel Approach for Testing Linux Storage

Offered By: linux.conf.au via YouTube

Tags

linux.conf.au Courses Virtual Machines Courses QEMU Courses

Course Description

Overview

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Explore a novel approach to testing Linux storage through VM block error injection in this 44-minute conference talk from linux.conf.au 2020. Discover the importance of testing the storage stack, the challenges involved, and various methods for generating storage errors. Learn about the benefits of incorporating testing capabilities into virtual machines compared to other approaches. Gain insights into block histograms, access patterns, and playback possibilities. Examine a preview of a proof-of-concept implementation for QEMU's SCSI disk device. Understand how this technique can simulate hardware errors, allowing developers to test infrequent error paths and ensure the reliability of Linux's data storage and retrieval capabilities.

Syllabus

"VM block error injection, a novel approach for testing Linux storage" - Tony Asleson (LCA 2020)


Taught by

linux.conf.au

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