硬盘扩容

一.扩容分区

1.在esxi中调整硬盘大小

2.刷新硬盘

echo 1 >  /sys/class/block/sda/device/rescan

3.调整分区大小

yum install cloud-utils-growpart xfsprogs -y
lsblk
LANG=en_US.UTF-8
growpart /dev/sda 2

4.扩容LVM

#扩容PV
pvresize /dev/sda2
#扩容vg
vgextend centos /dev/sda2
#扩容lv
# 将剩余的空间100%全部给lv扩容
lvextend -l +100%FREE /dev/mapper/centos-root
# 将lv额外增加5G空间
lvextend -L +5G /dev/mapper/centos-root

5.合并文件系统

#xfs
xfs_growfs /dev/centos/root
#ext*
resize2fs /dev/centos/root