Extend XFS EBS Volume on CentOS AWS Instance

February 19, 2020 Jordansphere AWS

Query

I wanted to extend an XFS formatted disk in Linux which is backed by an EBS volume. The mount point is called mydata

To extend the volume in AWS:

Goto Compute -> EC2 -> EBS -> Volumes -> {Select Volume} -> Modify Volume -> {change size}

On the Linux device

ec2-user]# lsblk

NAME    MAJ:MIN RM SIZE RO TYPE MOUNTPOINT

xvda    202:0    0  10G  0 disk 
└─xvda1 202:1    0  10G  0 part /
xvdf    202:80   0   7G  0 disk 

ec2-user]# df -h
Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        475M     0  475M   0% /dev
tmpfs           492M     0  492M   0% /dev/shm
tmpfs           492M  396K  492M   1% /run
tmpfs           492M     0  492M   0% /sys/fs/cgroup
/dev/xvda1       10G  2.1G  8.0G  21% /
tmpfs            99M     0   99M   0% /run/user/1000
/dev/xvdf       7.0G   40M  7.0G   1% /mydata

 

ec2-user]# lsblk
NAME    MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
xvda    202:0    0  10G  0 disk 
└─xvda1 202:1    0  10G  0 part /
xvdf    202:80   0   9G  0 disk /mydata

 

 

ec2-user]# xfs_growfs -d /mydata

meta-data=/dev/xvdf              isize=512    agcount=4, agsize=458752 blks

         =                       sectsz=512   attr=2, projid32bit=1

         =                       crc=1        finobt=1 spinodes=0

data     =                       bsize=4096   blocks=1835008, 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 1835008 to 2359296

 

 

ec2-user]# df -h
Filesystem      Size  Used Avail Use% Mounted on
devtmpfs        475M     0  475M   0% /dev
tmpfs           492M     0  492M   0% /dev/shm
tmpfs           492M  396K  492M   1% /run
tmpfs           492M     0  492M   0% /sys/fs/cgroup
/dev/xvda1       10G  2.1G  8.0G  21% /
tmpfs            99M     0   99M   0% /run/user/1000
/dev/xvdf       9.0G   44M  9.0G   1% /jordansphere1

 

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