During forensics investigation, you may face a technology called RAID. In this lesson, we will learn what RAID is and some of its levels.
RAID (Redundant Array of Independent Disks ) for Digital Forensics:
Updated: Mar 29, 2020
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Afsaneh javadi
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So basically RAID is used to backup or store the data and if their is any disaster then we can recover the data without losing the information.
In that case what is the difference between RAID and SNAP?
@dhwanil: Have the same question as you, but found an article that may answer it to some extent ! :)
what would be a safe practice to put disks in a raid 5 configuration. should we do it by maintaining redundancy all along?
Article read : https://www.zdnet.com/article/raidfail-dont-use-raid-5-on-small-arrays/
@poojakhatri
The best RAID for performance would be RAID0. the following are the reasons why and somewhat describe RAID0 the best:
It is first of all non - redundant ( no extra data )
includes 2 or more disk drives: thus EQUAL data striping
Improved I/O performance because NO redundancy.
The best RAID level for Redundancy only would be RAID1:
It provides data mirroring with lesser expense.
Extra in-depth reading for best RAIDS for different purposes: https://docs.oracle.com/cd/E19871-01/820-1847-20/appendixf.html
What if a system just implements Raid1 but both disks fail? Do systems implement RAID5 by default to save data if other methods fail? (LIKE RAID 0 / RAID 1). Is RAID5 thus a default if we want to ultimately recover data?
Very interesting video.
Which Is Best Raid Level For Performance And Which Is Best For Redundancy?
Also, What happens if there is any disk failure in the RAID array?