Category: Storage & OpenZFS
TrueNAS SCALE, OpenZFS pool topologies, dataset optimization, ARC caching, and drive replacement.
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Replacing a Failed Drive in a ZFS RAIDZ Pool
When a drive in an OpenZFS mirror or RAIDZ pool experiences read/write checksum errors or SMART failure, replacing it requires a disciplined sequence: taking the faulted disk offline, physical swap,…
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Managing and Pruning ZFS Snapshots with Native Properties and Sanoid
Automated snapshotting protects datasets against accidental file deletion and ransomware. However, unmonitored snapshots on high-churn datasets (like temporary downloads, virtual machine disks, or scratch volumes) quickly consume available pool capacity.…
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Enterprise Storage Architecture: TrueNAS SCALE, OpenZFS Topologies, ARC Caching & NVMe Tiering
Modern enterprise storage is defined by OpenZFS. For mission-critical homelabs and business servers, architecting the storage layout correctly from day one avoids painful resilvering bottlenecks, pool fragmentation, and unrecoverable data…
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Modern Linux SSD & NVMe Storage Optimizations: TRIM, Schedulers & Longevity
In the early days of consumer solid-state storage (circa 2012–2014), sysadmins frequently resorted to extreme manual tweaks: moving /var/log and /tmp into RAM (tmpfs), disabling journaling, and hacking fstab mount…