安装parted
yum install -y parted
列出现有磁盘分区
parted -l
检查磁盘状态(sda是新添加的磁盘)
parted /dev/sda print
新建磁盘分区表类型MBR
parted -s /dev/sda mklabel msdos
新建磁盘分区表类型gpt
parted -s /dev/sda mklabel gpt
新建分区(取用全部空间)
parted -s /dev/sda mkpart primary 1M 100%
parted /dev/sda print
[实验1:新分区建立pv,vgs,再从vg移除,删除pv]
pvcreate /dev/sda1
vgextend rhel /dev/sda1
vgreduce rhel /dev/sda1
pvremove /dev/sda1
[实验2:新分区挂在到/mnt/new]
格式化分区
mkfs.ext4 /dev/sda1
mkdir /mnt/new
mount /dev/sda1 /mnt/new
df -Th /mnt/new
your system registers the new /etc/fstab configuration:
systemctl daemon-reload