EC2 root volume: resize2fs vs xfs_growfs
1 min readAug 29, 2022
For redhat, use sudo xfs_growfs
[ec2-user@ip-10-x-x-x ~]$ sudo lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
nvme0n1 259:0 0 150G 0 disk
├─nvme0n1p1 259:1 0 150G 0 part /
└─nvme0n1p128 259:2 0 1M 0 part[ec2-user@ip-10-x-x-x ~]$ sudo resize2fs /dev/nvme0n1p1
resize2fs 1.42.9 (28-Dec-2013)
resize2fs: Bad magic number in super-block while trying to open /dev/nvme0n1p1
Couldn't find valid filesystem superblock.[ec2-user@ip-10-x-x-x ~]$ sudo xfs_growfs /dev/nvme0n1p1
meta-data=/dev/nvme0n1p1 isize=512 agcount=26, agsize=524159 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=1 spinodes=0
data = bsize=4096 blocks=13106683, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 13106683 to 39321083[ec2-user@ip-10-x-x-x ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 7.6G 0 7.6G 0% /dev
tmpfs 7.6G 0 7.6G 0% /dev/shm
tmpfs 7.6G 520K 7.6G 1% /run
tmpfs 7.6G 0 7.6G 0% /sys/fs/cgroup
/dev/nvme0n1p1 150G 41G 110G 27% /
tmpfs 1.6G 0 1.6G 0% /run/user/1000