Disks, SSDs & NVMe
HDDs, SSDs, NVMe, and how the kernel sees them.
Linux Storage
Storage 01 — Block Devices2 articles
Partitions (MBR & GPT)
MBR, GPT, and how disk space gets divided.
Storage 02 — Filesystems2 articles
Filesystem Fundamentals
Inodes, journaling, VFS, and how files are actually stored.
ext4 & XFS
How ext4 and XFS differ in on-disk layout, growth, repair, and operational trade-offs, with commands for inspecting and managing each Linux filesystem.
Storage 03 — RAID2 articles
RAID Levels
Combining disks for performance, redundancy, or both.
Linux Software RAID (mdadm)
Managing arrays with the Linux MD subsystem.
Storage 04 — Device Mapper1 articles
Device Mapper
The kernel framework behind LVM, LUKS, and thin pools.
Storage 05 — LVM2 articles
LVM Fundamentals
Physical Volumes, Volume Groups, and Logical Volumes.
Thin Provisioning & Snapshots
Allocate on demand, snapshot at scale.
Storage 06 — Encryption2 articles
dm-crypt & LUKS
Full-disk encryption the Linux way.
LUKS Keys, crypttab & Auto-Unlock
Multiple unlock methods and integrating with systemd.
Storage 07 — TPM & Secure Boot2 articles
TPM Fundamentals
Trusted Platform Module — sealing secrets to hardware state.
Secure Boot & LUKS Auto-Unlock
Tying UEFI, TPM, and LUKS together.
