Ravi Sir's Cards › AWS
RAID for a busy DB?
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
What it is
RAID 10: fast and safe.
Why it matters
RAID 5 has write penalty.
How / example
Create.
sudo mdadm --create /dev/md0 --level=10 --raid-devices=4 /dev/sd[b-e]