Manage Linux Software Raid with mdadm

• How to Set Up Software RAID 0
• How to Set Up Software RAID 1
• How to delete an mdadm RAID Array
• RAID Capacity Calculator
• RAID getting created as /dev/md127

To assemble a software raid, run

mdadm --assemble /dev/md0  /dev/sda1 /dev/sdb1

Auto assemble

mdadm --assemble --scan

Get details about the raid

mdadm --detail --scan