modifying size of AWS EBS volume

• outline

modifying size of AWS EBS volume

• how-to

# df -h | grep xvda1
/dev/xvda1      8.0G  5.8G  2.3G  73% /

# lsblk
NAME    MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
xvda    202:0    0  20G  0 disk
└─xvda1 202:1    0   8G  0 part /

# growpart /dev/xvda 1
CHANGED: partition=1 start=4096 old: size=16773087 end=16777183 new: size=41938911,end=41943007

# lsblk
NAME    MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
xvda    202:0    0  20G  0 disk
└─xvda1 202:1    0  20G  0 part /

# xfs_growfs -d /
meta-data=/dev/xvda1             isize=512    agcount=4, agsize=524159 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=1 spinodes=0
data     =                       bsize=4096   blocks=2096635, 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 2096635 to 5242363

# df -h | grep xvda1
/dev/xvda1       20G  5.8G   15G  29% /

• reference

https://docs.aws.amazon.com/ko_kr/AWSEC2/latest/UserGuide/requesting-ebs-volume-modifications.html#modify-ebs-volume
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/recognize-expanded-volume-linux.html