Local Server
Local server OS: Ubuntu Server 20.04 LTS Processor: Intel(R) Core(TM) i3-6100 CPU @ 3.70GHz, 4 cores Memory: 4GB/3.79GiB(actual) Disks → command to get disk info `sudo fdisk -l` /dev/sdb : WDC WD5000LPVX-6 : 465.78 GiB /dev/sda : WDC WD10EZEX-75W : 931.28 GiB /dev/sdc : SanDisk SD7SB2Q- : 476.96 GiB /dev/sdd : HGST HTS721075A9 : 698.65 GiB Disk Usage /dev/sdc : SanDisk SD7SB2Q- : OS installed RAID 5 : /dev/md127 → `cat /proc/mdstat’ → get RAID config /dev/sdb /dev/sda /dev/sdd Creating RAID config: Create RAID during installation of the OS or after using Webmin Create a file system on the RAID drive /dev/mdX → X = your drive number it could be any number After file system is created mount the drive in one of the locations on the OS drive so that it is accessible by all the applications Links to understand RAID https://tldp.org/HOWTO/Software-RAID-HOWTO.html https://ahelpme.com/linux/recovering-md-array-and-mdadm-cannot-get-array-info-for-dev-md0/ Remove a disk from a RAID c...