Expanding the Storage Space of an EBS Volume on Linux

[root@data ~]# df -TH
Filesystem Type Size Used Avail Use% Mounted on
/dev/xvda1 xfs 859G 818G 42G 96% /
devtmpfs devtmpfs 4.1G 0 4.1G 0% /dev
tmpfs tmpfs 4.2G 0 4.2G 0% /dev/shm
tmpfs tmpfs 4.2G 26M 4.1G 1% /run
tmpfs tmpfs 4.2G 0 4.2G 0% /sys/fs/cgroup
/dev/xvdg ext4 212G 201G 4.1k 100% /databackup
/dev/mapper/vg_newlvm-centos7_newvol ext4 106G 20G 81G 20% /data1
tmpfs tmpfs 821M 0 821M 0% /run/user/1004
tmpfs tmpfs 821M 0 821M 0% /run/user/0

[root@data ~]# resize2fs /dev/xvdg
resize2fs 1.42.9 (28-Dec-2013)
Filesystem at /dev/xvdg is mounted on /databackup; on-line resizing required
old_desc_blocks = 25, new_desc_blocks = 50
The filesystem on /dev/xvdg is now 104857600 blocks long.

[root@data ~]# df -TH
Filesystem Type Size Used Avail Use% Mounted on
/dev/xvda1 xfs 859G 818G 42G 96% /
devtmpfs devtmpfs 4.1G 0 4.1G 0% /dev
tmpfs tmpfs 4.2G 0 4.2G 0% /dev/shm
tmpfs tmpfs 4.2G 26M 4.1G 1% /run
tmpfs tmpfs 4.2G 0 4.2G 0% /sys/fs/cgroup
/dev/xvdg ext4 423G 201G 203G 50% /databackup
/dev/mapper/vg_newlvm-centos7_newvol ext4 106G 20G 81G 20% /data1
tmpfs tmpfs 821M 0 821M 0% /run/user/1004
tmpfs tmpfs 821M 0 821M 0% /run/user/0
[root@data ~]#

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