RAID Recovery Course - RAID Levels Test

RAID0 is

non-redundant block array
redundant non-block array
non-redundant non-block array
redundant block array

Which controller uses non-typical RAID6 layout – wide pace?

HP SmartArray
LSI
Promise

What you can get with a JBOD?

speed improvement and capacity
fault tolerance
large capacity
speed improvement

What is hotspare?

disk storing a copy of RAID data
disk storing a copy of parity data
blank disk already installed in a RAID in anticipation of a member disk failure

Which parity function is usually used in a RAID5?

Huffman
Reed-Solomon
Lempel, Ziv, Welch
XOR

Choose the correct statement relating to RAID5E

hotspare blocks are integrated in the end of RAID
hotspare blocks are evenly spread across array member disks
hotspare blocks are reserved on a standalone hard drive

How data is distributed to disks in a RAID1

data is written to the first disk until it is full, then to the next disk
two copies of data are stored on two disks

What RAID type is shown on the right?

JBOD
RAID0
RAID1
RAID5

What controllers use delayed parity?

LSI
HP SmartArray
Promise

Check RAID levels which may utilize delayed parity

RAID6
RAID10
RAID4
RAID5