Creating a RAID 1 (mirroring) array on a Linux system using the `mdadm` (Multiple Devices Admin) utility involves several steps. RAID 1 mirroring duplicates data across two or more drives. If one drive fails, the other drive(s) continue to operate, preventing data loss. First, ensure `mdadm` is installed. If not, install it using your distribution's package manager. For example, on Debian-based systems, use `sudo apt-get install mdadm`. On Red Hat-based systems, use `sudo yum install mdadm`. Second, identify the drives you will use for the RAID 1 array. Use commands like `lsblk` or `fdisk -l` to list the available block devices. It is recommended to use drives of the same size and type for optimal performance and capacity utilization. For this example, let's assume you have two drives: `/dev/sdb` and `/dev/sdc`. Third, create the RAID 1 array using the `mdadm` command. The basic syntax is: `sudo mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/sdb /dev/sdc`. In this command: `--create` specifies that you....
Log in to view the answer
