storage optimization – ITFROMZERO

Boost HDD Speed by 10x with bcache: Use an Old SSD as Cache on Linux

By admin June 14, 2026

Don't let slow HDDs bottleneck your system. Here is a detailed guide on using bcache to turn an SSD into a cache for your HDD, multiplying IOPS at a minimal cost.

VMware

VMware Paravirtual SCSI (PVSCSI): Reduce CPU Load and Increase Disk Throughput for Virtual Machines

By admin June 13, 2026

PVSCSI (Paravirtual SCSI) is VMware's optimized virtual adapter that significantly reduces CPU overhead and boosts IOPS compared to the default emulated LSI Logic adapter. This guide covers how to change the SCSI adapter via the GUI, PowerCLI, and .vmx file, with real fio benchmarks on vSphere 8.0.

Fedora

Managing Flatpak Applications on Fedora: Installation, Sandboxing, and Storage Optimization

By admin March 4, 2026

Flatpak on Fedora is convenient, but it can silently consume tens of gigabytes of disk space if not managed properly. This guide covers installation, controlling sandbox permissions, and cleaning up unused runtimes to optimize real-world storage usage.