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T0542 / 12 - 01 Disk Hardware 1. Magnetic disk • Cylindes, tracks • IDE (Integrated Drive Electronics) • Overlapped seek • Logical block addressing DISKS.

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Presentation on theme: "T0542 / 12 - 01 Disk Hardware 1. Magnetic disk • Cylindes, tracks • IDE (Integrated Drive Electronics) • Overlapped seek • Logical block addressing DISKS."— Presentation transcript:

1 T0542 / Disk Hardware 1. Magnetic disk • Cylindes, tracks • IDE (Integrated Drive Electronics) • Overlapped seek • Logical block addressing DISKS Physical geometry vs possible virtual geometry

2 T0542 / RAID Redundant Array of Inexpensive Disks 3. CD-ROMS Struktur penyimpanan dari CD atau CD-RO

3 T0542 / Logical data layout pada CD-ROM Format Disk Suatu sektor pada disk

4 T0542 / Interleaving •No interleaving •Single interleaving •Double interleaving

5 T0542 / Disk Arm Scheduling Algorithms (1) •Tiga faktor yang menentukan waktu baca atau tulis pada disk block : • Seek time • Rotational delay • Actual transfer time •Seek time yang paling dominan

6 T0542 / Elevator Algoritma Penjadwalan Lengan Disk 1.First Come First Serve (FCFS) 2. Shortest Seek First (SSF)


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