Ravi Sir's Cards › AWS
RAID 1 vs RAID 5
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Level
RAID 1
Mirror, 50% usable.
RAID 5
Parity, (n-1)/n usable.
Key points
2 disks.
3+ disks, slow rebuild.
Example
--level=1 -n 2
Use when
Boot, small DB.
Archives.