A. is Correct because Raid 10 uses mirroring and striping. Therefore for
each disk there must be one mirrored disk.
B. is incorrect, it does not include distributed parity.
C. is incorrect, it does not represent raid 10 rather more closely to raid 1
D. Is incorrect, striping does not provide fault tolerance. It increases
space and performance. Mirroring increases fault tolerance by creating
a mirrored drive to replace in the case of failure.
RAID 10 (1+0) combina espejado (mirroring) y división de datos (striping), lo cual ofrece tanto tolerancia a fallos como mejoras en el rendimiento. En esta configuración, la capacidad efectiva es la mitad de la suma de los discos, debido al uso del espejado. Por lo tanto, con cuatro discos de 2 TB cada uno, el espacio total disponible es de 2 TB.
When configuring RAID 10 (1+0) on FortiAnalyzer, it combines both mirroring (RAID 1) and striping (RAID 0), providing fault tolerance and performance. With RAID 10, half of the total disk space is used for mirroring (data redundancy), while the other half is available for use.
For example, if you have four disks, each with 2 TB of capacity, RAID 10 will mirror the data between pairs of disks. As a result, you will have 2 TB of usable space because half of the total storage is dedicated to mirroring for redundancy.
A is incorrect because the total usable space cannot be 4 TB due to mirroring.
C is correct: a four-disk configuration (2 TB each) provides 2 TB of usable space.
So, the correct answer is C.
I realize I made an error in my previous response. After reviewing the concept of RAID 10, the correct answer is A.
In RAID 10, with four 2 TB disks, you have a total capacity of 8 TB. Since RAID 10 uses mirroring, it effectively halves the usable space, leaving you with 4 TB of usable storage.
I apologize for the confusion in my earlier response, and thank you for pointing that out!
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