How to Add more space to xfs mounted file system?
- You can use console or awscli to add more space to a volume of xfs file system
- No need to umount the file system
- Following command modifies file system data structure to add more space
# xfs_growfs -d /var/DockerData
systemd mount file to mount file system at reboot
- The file name for mount file should specify mounting directory
- If mounting directory is
/A/B/C/database then file name should be A-B-C-database.mount
[root@ip-40-40-0-181 system]# pwd
/usr/lib/systemd/system
# ls -l var-DockerData.mount
-rw-r--r-- 1 root root 138 Oct 25 17:47 var-DockerData.mount
# cat var-DockerData.mount
[Unit]
Description=Docker Engine File System
[Mount]
What=/dev/xvdf
Where=/var/DockerData
Type=xfs
[Install]
WantedBy=multi-user.target
- Detach/Attach may change device file.
- Always confirm your device file by
lsblk
# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
xvda 202:0 0 8G 0 disk
└─xvda1 202:1 0 8G 0 part /
xvdf 202:80 0 10G 0 disk /var/DockerData