AWS attach additional disk

The AWS disk was used up very fast, added additional volumes, The disk usage as below, [root@ip-172-31-2-32 ec2-user]# df -l Filesystem 1K-blocks Used Available Use% Mounted on /dev/xvda2 10473452 8020612 2452840 77% / devtmpfs 484472 0 484472 0% /dev tmpfs 507736 20 507716 1% /dev/shm tmpfs 507736 57588 450148 12% /run tmpfs 507736 0 507736 0% /sys/fs/cgroup tmpfs 101548 0 101548 0% /run/user/1000 First you need to add the volumes, added two additional disk, Block devices /dev/sda1 /dev/sdb /dev/sdc Then create ext4 file system on the volume, sudo mkfs -t ext4 /dev/sdb sudo mkfs -t ext4 /dev/sdb Create the mount point: mkdir /home/ec2-user/data mkdir /home/rongrong/data mount the device to the point created: mount /dev/xvdb /home/ec2-user/data mount /dev/xvdc /home/rongrong/data update /etc/fstab to make it auto mount, added two lines, /dev/xvdc /home/rongrong/data ext4 defaults,nofail 0 2 /dev/xvdb /home/ec2-user/data ext4 defaults,nofail 0 2 command mount -a mount -a check the disk usage again: