# 分区大于2T，下载gdisk软件  parted工具
yum install -y gdisk

# 格式化磁盘
mkfs.xfs -f /dev/sdb


# gdisk重新分区，这里分4个200G的分区（p、n、 w命令）
gdisk /dev/sdb
#   Command (? for help): n
#   Partition number (1-128, default 1): 
#   First sector (34-5622988766, default = 2048) or {+-}size{KMGTP}: 
#   Last sector (2048-5622988766, default = 5622988766) or {+-}size{KMGTP}: +200G
#   Current type is 'Linux filesystem'
#   Hex code or GUID (L to show codes, Enter = 8300): 
#   Changed type of partition to 'Linux filesystem'
#   ...
#         Command (? for help): p
#         Disk /dev/sdb: 5622988800 sectors, 2.6 TiB
#         Logical sector size: 512 bytes
#         Disk identifier (GUID): D8F5B5AF-5335-45FE-B80A-5F53793DF843
#         Partition table holds up to 128 entries
#         First usable sector is 34, last usable sector is 5622988766
#         Partitions will be aligned on 2048-sector boundaries
#         Total free space is 3945267133 sectors (1.8 TiB)
#         
#         Number  Start (sector)    End (sector)  Size       Code  Name
#            1            2048       419432447   200.0 GiB   8300  Linux filesystem
#            2       419432448       838862847   200.0 GiB   8300  Linux filesystem
#            3       838862848      1258293247   200.0 GiB   8300  Linux filesystem
#            4      1258293248      1677723647   200.0 GiB   8300  Linux filesystem



# 格式化新建的分区：
mkfs.xfs -f /dev/sdb1
mkfs.xfs -f /dev/sdb2
mkfs.xfs -f /dev/sdb3
mkfs.xfs -f /dev/sdb4

# 改名
parted /dev/sdb
print  #查看文件系统
name 1  mysql  
name 2  mongodb
name 3  kafka
name 4  redis

# 创建并挂载目录
mkdir /mysql
mkdir /mongodb
mkdir /kafka
mkdir /redis

mount /dev/sdb1 /mysql
mount /dev/sdb2 /mongodb
mount /dev/sdb3 /kafka
mount /dev/sdb4 /redis

# 验证
df -TH | grep mysql
df -TH | grep mongodb
df -TH | grep kafka
df -TH | grep redis


# 加入开机启动
cat << EOF >> /etc/fstab
/dev/sdb1 /mysql xfs     defaults        0 0
/dev/sdb2 /mongodb xfs    defaults        0 0
/dev/sdb3 /kafka xfs     defaults        0 0
/dev/sdb4 /redis xfs     defaults        0 0
EOF