Linux RAID 1 Setup

Linux

RAID 1

RAID stands for Redundant Array of Inexpensive Disks, There are many RAID levels such as RAID 0, RAID 1, RAID 5, RAID 10 etc. we will set up software RAID 1 on a running Linux distribution.

Format Hard Drive

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fdisk /dev/sdb

Create RAID 1 Logical Drive

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mdadm --examine /dev/sdb /dev/sdc

mdadm --create /dev/md0 --level=mirror --raid-devices=2 /dev/sda6 /dev/sdb2
cat /proc/mdstat

mkfs.ext4 /dev/md0
mkdir /aemg
mount /dev/md0 /aemg
df -h /aemg
/dev/md0   /aemg   ext4   defaults   0   0

mdadm --examine /dev/sda6 /dev/sdb2
mdadm --detail /dev/md0

/dev/sdc1   /media/hdd   ext4   defaults   0   0
/dev/sdc2   /media/hdd2   ext4   defaults   0   0

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