Here’s a good document on file system analysis. As mentioned from this document: The aptly named UNIX Filesystems: Evolution, Design, and Implementation is only giving a general overview of how things work. Practical File System Design with the Be File System by Dominic Giampaolo is an [...]

Red Hat Enterprise Linux 3 with a 2.4 kernel base uses a single, robust, general purpose I/O elevator. The I/O schedulers provided in Red Hat Enterprise Linux 4, embedded in the 2.6 kernel, have advanced the I/O capabilities of Linux significantly. With Red Hat Enterprise Linux 4, applications can [...]