Rsync

Rsync over ssh

rsync -avz -e ssh remoteuser@remotehost:/remote/dir /this/dir/

Raid

Create software raid array

Create new raid array: sudo mdadm --create /dev/md3 --level=1 --raid-devices=2 /dev/sdb1 /dev/sdd

Save raid array config: mdadm --detail --scan > /etc/mdadm/mdadm.conf

Copy UUID: ls -l /dev/disk/by-uuid/ | grep md3

Add new mount point using UUID: sudo nano /etc/fstab

Delete software raid array

Find raid array name: cat /proc/mdstat

Stop raid array: sudo mdadm -S /dev/md_d3 (replace md_d3!)

Clear superblock:

• sudo mdadm --zero-superblock /dev/sdb1

• sudo mdadm --zero-superblock /dev/sdd1