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Hard Drive
Technology Know/be able to answer the following:
- What
is low level formatting and what does it do to your hard drive. When
would you use it?
- What
is precompensation and how does it speed up the writing of data?
- What kind of
cable does an IDE drive use? (Number of pins.)
- Be able to
identify tracks, sectors, the FAT, MBR, and other components on the
platter.
- What does
the OS “see” an IDE drive as?
- How many
devices can be on an IDE or EIDE channel?
- What is the
makeup of an IDE circuit board?
- What DOS
commands can be used with hard drives?
- What is the
purpose of zone bit recording and how does it speed up reading and
writing?
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SCSI Drives
Know and be able to answer the following:
- How more
than one SCSI device can communicate on a chain.
- How SCSI IDs
are defined.
- How many
devices can communicate on one chain.
- Define: LUN,
DEV NR, SCAC, SCAM, ultra scsi, wide scsi, termination
- What devices
in a SCSI chain should be terminated.
- The
difference between SCSI BIOS and system BIOS.
- Which takes
precedence, SCSI BIOS or system BIOS.
- What role
the host adapter plays in communications.
- Sizes of
cables used on narrow and wide scsi.
- Types of
terminators and which is most effective.
- How a disk
is prepared for use.
- The analogy
of SCSI to networks.
- Types of
drivers used with SCSI
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Logical Organization
of Drives Know and be able to answer the following:
- Know how
partitioning works and where the OS should be on a partitioned drive.
- Know the
utilities that can be used to fix drives in Windows 98 and DOS
- Know how
many tracks per sector you have on IDE drives.
- Know what
the FAT, MBR, Partition table, and root directory are.
- Know the
length of the partition table.
- Know what
the boot record is.
- Know the
difference between primary and extended partitions and how many you can
have of each.
- Know the DOS
commands for managing the hard drive.
- Know the
differences among FAT16, FAT32, and FAT12.
- How long are
root directory entries?
- What is a
cluster and how does using some file systems waste space due to
clusters?
- DOS based
utility programs.
- What size
clusters are used for FAT16 and FAT32?
- How many
entries is a FAT16 root directory size limited to?
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DOS know and be
able to use:
- How to use
FDISk
- DOS commands
- How clusters
work.
- Define lost
clusters.
- Define a
cross linked file.
- What is
fragmentation?
- What is a
virtual drive? Disk caching?
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New Storage:
- What are the
new things on the horizon?
- Where can
you find out more information?
- Describe the
following technologies
- HAMR
- Spintronics
technology/UB Sensor
- Holographic
storage
- Future of
SAN (Storage Area Networks)
- Other
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