ReclaiMe Data Recovery Training
RAID Recovery Course - RAID Introduction Test
Is there a special single standard for RAID metadata?
What represents member disks in the RAID block layout diagrams?
Where is RAID metadata stored?
at the end of the member disk
anywhere, depending on the implementation specifics
at the beginning of the member disk
What typical values for block size in RAID?
up to 1 MB
up to 1 KB
More complex RAIDs have more parameters
How data is distributed to disks in a RAID5
in contiguous streams
data is divided into blocks of different size and then blocks are written to the disks
data is divided into blocks of the same size and then blocks are written to the disks
Should start offset be equal to block size?
Speed improvement is achieved due to the fact that:
data on a RAID is not fragmented
two data blocks on two disks can be read in one operation
each member disk in RAID is faster than a regular hard drive
Is it obligatory to use identical disks to create a RAID?
What type of the device can implement exotic RAIDs?
Next lesson - RAID levels
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