Linux Filesystems and Storage Questions

Specialized knowledge of Linux storage subsystems, filesystem architectures, and maintenance. Covers filesystem internals and selection considerations for ext4, XFS, and btrfs; partitioning tools and workflows using fdisk and parted; logical volume management including physical volumes, volume groups, logical volumes, snapshots and resizing; adding and expanding disks, resizing filesystems, mount options and performance tradeoffs; filesystem integrity tools such as fsck, recovery techniques, inode and metadata concepts, capacity planning, and interaction with software and hardware RAID and storage arrays.