'Removable disks' diaporamas de présentation

Removable disks - PowerPoint PPT Presentation

FCFS

FCFS

FCFS. Illustration shows total head movement of 640 cylinders. SSTF. SCAN. C-SCAN. C-LOOK. Booting from a Disk in Windows 2000. Data Structures for Swapping on Linux Systems. RAID. Several improvements in disk-use techniques involve the use of multiple disks working cooperatively.

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574 views • 37 slides
FCFS

FCFS

FCFS. Illustration shows total head movement of 640 cylinders. SSTF. SCAN. C-SCAN. C-LOOK. Booting from a Disk in Windows 2000. Data Structures for Swapping on Linux Systems. RAID. Several improvements in disk-use techniques involve the use of multiple disks working cooperatively.

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402 views • 37 slides
Overview of Mass Storage Structure

Overview of Mass Storage Structure

Overview of Mass Storage Structure. Magnetic disks provide bulk of secondary storage Drives rotate at 70 to 250 times per second Ipod disks: 4200 rpm Laptop disks: 4200, 5400 rpm or 7200 rpm Desktop disks: 7200 rpm Server disks: 10000 rpm or 15000 rpm

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256 views • 25 slides
Tmpfs/memory file system

Tmpfs/memory file system

Tmpfs/memory file system. Use virtual memory to build a file system Will not survive reboots Contents might be written back to disk as part of VM Temporary files, that need to survive reboots can be fast because nothing ever goes to disk. .c. .out. CC1. CC. CC2. AS. Link. .i. .s. .o.

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392 views • 24 slides
Tertiary Storage Devices

Tertiary Storage Devices

Tertiary Storage Devices. Low cost is the defining characteristic of tertiary storage. Generally, tertiary storage is built using removable media Common examples of removable media are floppy disks and CD-ROMs; other types are available. Removable Disks.

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431 views • 22 slides
Module 14: Tertiary-Storage Structure

Module 14: Tertiary-Storage Structure

Module 14: Tertiary-Storage Structure. Tertiary Storage Devices Operating System Issues Performance Issues. Tertiary Storage Devices. Low cost is the defining characteristic of tertiary storage. Generally, tertiary storage is built using removable media

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729 views • 15 slides
National Weather Radar Testbed

National Weather Radar Testbed

National Weather Radar Testbed. Wayne Sabin Lockheed Martin Walter Mazur Lockheed Martin Timothy Maese Lockheed Martin James Hunziker Lockheed Martin Bob Walsh SKY Computers, Inc. DISPLAY TEST TOOL. REALTIME. UF. RADAR. WEATHER. UF HARD. CONTROLLER. FILES. SCHEDULER. DISPLAY.

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311 views • 8 slides

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