David Zafman
Senior Developer at Red Hat
Los Angeles, California, United States
Summary
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Top expert inInfrastructure and Network Automation
David Zafman is a Senior Developer and software architect based in Los Angeles with over 30 years of industry experience and 11 years focused on cloud-native storage and clustering at companies like Red Hat and Inktank. He specializes in Linux/UNIX kernel internals, clustering, filesystems, and NFSv2/v3, bringing deep low-level expertise to distributed storage problems. At Red Hat and in contributions to the Ceph project he has implemented scrubbing controls and storage integrity fixes, demonstrating a practical focus on reliability and data consistency. His background spans firmware to large-scale storage platforms—from LSI and Hitachi to startups—giving him a rare combination of kernel, firmware, and distributed systems experience. Colleagues rely on him for debugging complex kernel-level faults and designing robust cluster software that survives real-world failure modes.
11 years of coding experience
27 years of employment as a software developer
BA, BA at UC Santa Barbara
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (16)
data-storage10
storage10
distributed-systems10
filesystem10
distributed-file-system10
c-language10
debug10
cprogramming-language10
object-store10
test-automation9
block-storage9
automation-testing9
qa-automation9
testing8
bash7
Programming languages (6)
Github contributions (5)
ceph/ceph
Aug 2014 - Mar 2021
Ceph is a distributed object, block, and file storage platform
Role in this project:
Back-end & QA Engineer
Back-end & QA EngineerContributions:101 reviews, 1959 commits, 752 PRs in 6 years 7 months
Contributions summary:David primarily contributed to the storage system's code, focusing on bug fixes and feature implementations related to object storage and scrubbing functionality. They fixed shell globbing in a test, arranged code for better clarity, fixed the usage of a command, and introduced modifications to handle and abort scrub operations. Furthermore, the user implemented features like might_have_unfound status information within the list_unfound requests and added new scrub parameters.
fusefile-storagecephstorageopenebs
dzafman/ceph
Jan 2015 - Mar 2021
Ceph is a distributed object, block, and file storage platform
Contributions:1349 pushes, 931 branches, 15 comments in 6 years 2 months
file-storageazure-blob-storagecephglusterfscloud-storage
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