执行以下命令，扩展磁盘分区文件系统的大小。

sudo xfs_growfs 磁盘名称

命令示例：

sudo xfs_growfs/dev/vdb

回显类似如下信息：

[root@ecs-test ~]# sudo xfs_growfs /dev/vdb

meta-data=/dev/vdb isize=512 agcount=4, agsize=655360 blks

= sectsz=512 attr=2, projid32bit=1

= crc=1 finobt=0, spinodes=0

data = bsize=4096 blocks=2621440, imaxpct=25

= sunit=0 swidth=0 blks

naming =version2 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 2621440 to 15728640.