3.3 – RAID Flashcards

1
Q

If server dies, use RAID system because

A

One drive dies, other one kicks in

–Allows computer to keep going if one drive dies

Hard drives are one of the 1st to fail because of moving parts

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2
Q

RAID Combines Drive for Computer

A

–Computer sees them as ONE drive

–Computer writes data to them

Some RAIDs give redundancy

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3
Q

RAID = Redundant Array of Independent [Inexpensive] Disks

A

–Combines identical hard drive to either increase storage capacity & performance, provide data protection or both

RAID 0, 1, 5, 10

–RAID is not specific to any kind of drive
IDE, SATA [common], M.2, PCIe, USB or Thunderbolt

SSD RAID is NOT common

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4
Q

Hardware RAID

A

a. Motherboard built-in RAID

b. PCI / PCIe RAID controller cord

c. USB / Thunderbolt external RAID encloser

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5
Q

Software RAID

A

a. Windows = Dynamic Disk & Storage Spaces

b. MacOS = Disk utility can be used to create RAID arrays

c. Linux = Built-in to the Linux kernal as a standard

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6
Q

JBOD = Just a Bunch of Disks

A

–Took all drives & put into a machine

Hard Drive & NVME – NOT raided, just connected

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