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This guide explains how to safely remove an SSD that was mistakenly added as a data disk in MooseFS by unmounting the MFS directory, editing the mfshdd configuration, restarting the chunkserver, cleaning up fstab entries, and verifying the removal.
This guide details common MooseFS mounting problems—including bad mount points, firewall port blocks, error messages, and incomplete disk scans—and provides step‑by‑step commands such as killing processes, unmounting, remounting, and checking services to resolve these issues.
At Baidu’s 49th Technical Salon, Cheng Yishi explained how the company revamped its MooseFS and Redis systems by adding a Shadow Master to split reads from writes, introducing Slave nodes for failover, and deploying a Redis proxy middleware, thereby dramatically improving performance, scalability, and high‑availability for critical services.