Daniel Kovacs
Author

Daniel Kovacs

Daniel Kovacs is a systems architect and technical writer with over 15 years of experience in high-performance computing, enterprise storage, and data center infrastructure. He has designed and deployed large-scale HPC clusters, parallel file systems, and NVMe storage solutions for research institutions and Fortune 500 companies. Daniel holds a Master's degree in Computer Engineering from Georgia Tech and has contributed to open-source projects including Lustre and Ceph. He is passionate about making complex infrastructure topics accessible to IT professionals at every level.

65 Articles

Articles by Daniel

Feb 11, 2026

NAND Flash

The non-volatile memory technology in SSDs, storing data in cells organized into pages and blocks with 3D stacking for increased…

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Feb 11, 2026

Latency

The time delay between an I/O request and its response, measured in microseconds for flash storage — a critical metric…

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Feb 11, 2026

POSIX

Portable Operating System Interface — a standard defining file system behavior that ensures application compatibility across different storage systems.

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Feb 11, 2026

Burst Buffer

A fast intermediate storage layer using NVMe SSDs that absorbs I/O bursts between compute nodes and the parallel file system.

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Feb 11, 2026

Metadata

Data about data in storage systems — file attributes, directory structure, and permissions. Metadata performance is often the scalability bottleneck.

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Feb 11, 2026

Ansible

An open-source IT automation tool for configuration management and orchestration, widely used for HPC cluster and data center provisioning.

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Feb 11, 2026

Write Amplification

A flash storage phenomenon where physical writes exceed logical writes due to block-level erase requirements, affecting SSD endurance and performance.

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