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6 posts
How HAST replication modes, role changes, fencing, and CTL iSCSI targets fit together without confusing replication with failover.
About This Mac says the disk is nearly full, but visible file sizes don't come close — how to find what's actually consuming space, hidden data included.
How FreeBSD GEOM builds storage graphs from providers, consumers, and classes for partitioning, labels, RAID, encryption, and diagnosis.
How FreeBSD ZFS pools, vdevs, datasets, snapshots, replication, scrubs, ARC, and boot environments behave in real operations.
A complete walkthrough from raw disks to a mounted, resizable logical volume — physical volumes, volume groups, and logical volumes explained as you build them.
How APFS's container/volume model, copy-on-write clones, and snapshots replaced HFS+ across every Apple platform starting in 2017.