'Fscan scan' presentation slideshows

Disk Access

Disk Access. Seek Algorithms. FCFS SSTF SCAN - ssd in preferred direction CSCAN - outer to inner, ssd, jump to outer FSCAN - scan for only those at start of scan nSCAN - only first n requests LOOK - lookahead & change diretion C-LOOK - outer to inner & jump. Rotation Algorithms.

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