Storage & Filesystems

The storage stack from the block device up: schedulers, device mapper, VFS and the on-disk formats of the filesystems you actually run.

6 courses · available in all eight cities and live online

Block layer3 courses

STO-1013 days Block Layer & I/O Schedulers How an I/O request travels from the filesystem to the device, and what the scheduler does to it on the way. Practitioner Practitioner-taught SAR 7,880Next 15 Nov STO-1103 days NVMe & NVMe-oF NVMe as a protocol and as a driver, including fabrics for disaggregated storage. Advanced Practitioner-taught SAR 9,000Next 25 Oct STO-1203 days Device Mapper & LVM Composing block devices: linear, striped, snapshot, thin provisioning, crypt and cache targets. Practitioner Practitioner-taught SAR 7,880Next 11 Oct

Filesystems3 courses

STO-2013 days VFS Internals The abstraction every filesystem implements: inodes, dentries, the page cache and the locking around them. Advanced Practitioner-taught SAR 9,000Next 18 Oct STO-2103 days ext4 & XFS Internals The on-disk layout and operational behaviour of the two filesystems most production Linux runs on. Advanced Practitioner-taught SAR 9,000Next 15 Nov STO-2204 days Writing a Filesystem from Scratch Implement a small but real filesystem, which is the fastest way to genuinely understand the VFS. Expert Practitioner-taught SAR 13,500Next 1 Nov