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Server+ Certification Training Guide by Server+ Certified Technician Elton Jernigan

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Disk Subsystems

  • 0.7 Identify the strengths and weaknesses of the various types of disk subsystems. Content may include the following:

    • Integrated Drive Electronics (IDE/ATA)

    • Enhanced Integrated Drive Electronics (EIDE/ATA2)

    • Ultra ATA / Ultra DMA

    • Serial ATA

    • Small Computer System Interface (SCSI)

    • Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.)

    • Fibre Channel

    • Fibre Channel Arbitrated Loop (FC-AL)

    • Serial Storage Architecture (SSA)

    • Storage area network (SAN)

    • Network-attached storage (NAS)

NOTE

Disk Subsystem Transfer Rates Because most disk channels transfer bits in parallel (usually 8 bits or 16 bits), the transfer rates for disk subsystems are measured in megabytes (MB).

The disk subsystem is a very important component in network servers. Not ...

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