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# linux挂载硬盘

## 查看当前硬盘情况

```bash
lsblk
```

## 新建分区


物理分区

虚拟分区(LVM)

**小于2T**

```bash
fdisk /dev/vdb

# 依次输入 `n`、`p`、三次回车、`w`
```


**大于2T**

```bash
# GPT 分区支持 2T 以上硬盘
apt install parted -y
parted /dev/sdb
# 在交互式界面输入以下命令
mklabel gpt
mkpart primary xfs 0% 100%
```


## 格式化为 xfs 格式

```bash
# 安装 xfsprogs 包
apt install xfsprogs -y

mkfs.xfs /dev/vdb1
```

## 挂载硬盘

```bash
mkdir /data/ && mount /dev/vdb1 /data/
```

## 永久挂载硬盘

```bash
echo '/dev/vdb1 /data xfs defaults 0 0' >> /etc/fstab
```

## 安装依赖


**Debian**

```bash
apt update
apt install -y lvm2 xfsprogs
```


**CentOS**

```bash
dnf install -y lvm2 xfsprogs
```


## 创建并挂载 LVM 分区

```bash
pvcreate /dev/vdb

vgcreate test_vg /dev/vdb

lvcreate -n data_lv -l 100%FREE test_vg

mkfs.xfs /dev/test_vg/data_lv

mkdir -p /data

mount /dev/test_vg/data_lv /data

blkid /dev/test_vg/data_lv

UUID=`blkid -s UUID -o value /dev/test_vg/data_lv `

echo $UUID

cat /etc/fstab && echo "UUID=$UUID /data  xfs  defaults,noatime  0  0">> /etc/fstab && mount -a && lsblk && df -Th
```

##