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How to Use Linux Server LVM Cache for Faster Storage
In this episode of Linux Server Admin with Fexingo, Lucas and Luna dive into LVM cache — a feature that lets you accelerate slower spinning disks with fast NVMe or SSD storage without rebuilding your filesystem. They explain how LVM cache works, using a practical example of a mail server with a 10TB HDD array and a 512GB NVMe drive. Lucas walks through the key commands and concepts: cache pools, cache modes (writeback and writethrough), and how to monitor performance with lvs and lvdisplay. They discuss when LVM cache makes sense — like for mixed read-heavy workloads — and when it doesn't…
The skinny
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