This guide explains the SCSI protocol, compares common hard‑disk interfaces such as IDE, SCSI, and SATA, shows how to install and use the lsscsi command with its options and examples, and details Linux SCSI file nodes and logging configuration.
This guide explains the SCSI protocol and common disk interfaces, details how to install and use the lsscsi command on various Linux distributions, describes its options and output formats, and provides examples of querying devices, interpreting results, and enabling SCSI logging for debugging.
This article explains the ALUA (Asymmetric Logical Unit Access) multipathing model, compares it with A/A‑Symmetric and Active/Passive mechanisms, describes its application in dual‑active storage architectures, and outlines OS support and key features for improving I/O performance and reliability.
This article explains the differences between parallel and serial hard‑disk interfaces, details ATA and SCSI protocols, and compares three major storage architectures—Direct‑Attached Storage (DAS), Network‑Attached Storage (NAS), and Storage Area Networks (SAN)—including their use cases, performance, and cost considerations.
