Unformatted text preview: Monday, May 11 Project #3 Project #4 Grading is in progress Credit Distribution Agreements are due Project Reviews are due before midnight tonight Plan of Attack due by midnight Wednesday, May 20 Rob's Seminar Homework #4 is posted Friday, May 22, in class Discussion Wednesday in class Today's topics More disk fundamentals I/O scheduling algorithms Magnetic Disk Fundamentals Position on disk (physical address) is uniquely specified by <cylinder,track,sector> triplet Disk drive is addressed as an array of logical blocks Each block number (logical address) is mapped to a unique <cylinder,track,sector> triplet. logical block is the smallest unit that can be transferred, i.e. a sector LBA mode Mappin...
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- Spring '08
- Operating Systems, Input/output, disk drives, Elevator algorithm, I/O scheduling, request queue, CFQ