Raid 0 vs Raid 1 vs Raid 5

What is RAID 0 and RAID 1 and what are the differences between the different type of Raid?

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[Skylord_daniel]

Raid 5 allows you to replace a drive without losing your data or having to swap it out

[NilankaGrrr]

This is partially correct. You can also do nested raid like raid 10 (1+0 not ten) which is mirroring for redundancy and stripping for speed of access. This is currently the best way to ensure redundancy while having access speeds relatively unhindered, but also very expensive because you need clones of your drives basically. And nested raids are only possible through hardware.

[quatreraberbawinner]

i set up a hardware raid last year, and i recently realized i dont remember how to do it anymore

[olamidefawole]

Further confusion. Might have to watch again. 😂

[PhilippWiddra]

Raid 0 having no redundancy is an overstatement, with multiple drives which can fail and one failure is enough to render all data lost, its more like negative redundancy.

[techatharv]

I was so confused in this but now I got it

[Ryan-km]

raid 5 is cache summing the drives not taking a third of the drive each drive has a smaller cache sum of the others and the redundant has a large cache sum allowing you to recover entire drives

[IcyyX_]

can i use raid 10 on my 4 pcie gen 4 ssds?

[nid]

Always remember that RAID is not a backup, always follow 3 2 1 backup strategy for important data.

[NightKidBrandon]

What’s the point of these raid set ups?