[root@coremail /]# df -hT
文件系统 类型 容量 已用 可用 已用% 挂载点
devtmpfs devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs tmpfs 3.9G 12M 3.8G 1% /run
tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/centos-root xfs 50G 2.0G 49G 4% /
/dev/sda1 xfs 1014M 186M 829M 19% /boot
/dev/mapper/centos-home xfs 92G 33M 92G 1% /home
/dev/mapper/vg_coremail-lv_coremail xfs 200G 33M 200G 1% /home/coremail
tmpfs tmpfs 781M 0 781M 0% /run/user/0
tmpfs tmpfs 781M 0 781M 0% /run/user/1000
tmpfs tmpfs 60M 0 60M 0% /var/log/rtlog
[root@coremail /]# fdisk -l /dev/sdd
磁盘 /dev/sdd：107.4 GB, 107374182400 字节，209715200 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
[root@coremail /]# fdisk /dev/sdd
欢迎使用 fdisk (util-linux 2.23.2)。
更改将停留在内存中，直到您决定将更改写入磁盘。
使用写入命令前请三思。
Device does not contain a recognized partition table
使用磁盘标识符 0x3d668d30 创建新的 DOS 磁盘标签。
命令(输入 m 获取帮助)：m
命令操作
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
g create a new empty GPT partition table
G create an IRIX (SGI) partition table
l list known partition types
m print this menu
n add a new partition
o create a new empty DOS partition table
p print the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition's system id
u change display/entry units
v verify the partition table
w write table to disk and exit
x extra functionality (experts only)
命令(输入 m 获取帮助)：n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p):
Using default response p
分区号 (1-4，默认 1)：
起始 扇区 (2048-209715199，默认为 2048)：
将使用默认值 2048
Last 扇区, +扇区 or +size{K,M,G} (2048-209715199，默认为 209715199)：
将使用默认值 209715199
分区 1 已设置为 Linux 类型，大小设为 100 GiB
命令(输入 m 获取帮助)：p
磁盘 /dev/sdd：107.4 GB, 107374182400 字节，209715200 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0x3d668d30
设备 Boot Start End Blocks Id System
/dev/sdd1 2048 209715199 104856576 83 Linux
命令(输入 m 获取帮助)：t
已选择分区 1
Hex 代码(输入 L 列出所有代码)：8e
已将分区“Linux”的类型更改为“Linux LVM”
命令(输入 m 获取帮助)：p
磁盘 /dev/sdd：107.4 GB, 107374182400 字节，209715200 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0x3d668d30
设备 Boot Start End Blocks Id System
/dev/sdd1 2048 209715199 104856576 8e Linux LVM
命令(输入 m 获取帮助)：w
The partition table has been altered!
Calling ioctl() to re-read partition table.
正在同步磁盘。
[root@coremail /]# fdisk -l /dev/sdd
磁盘 /dev/sdd：107.4 GB, 107374182400 字节，209715200 个扇区
Units = 扇区 of 1 * 512 = 512 bytes
扇区大小(逻辑/物理)：512 字节 / 512 字节
I/O 大小(最小/最佳)：512 字节 / 512 字节
磁盘标签类型：dos
磁盘标识符：0x3d668d30
设备 Boot Start End Blocks Id System
/dev/sdd1 2048 209715199 104856576 8e Linux LVM
[root@coremail /]# pvcreate /dev/sdd1
Physical volume "/dev/sdd1" successfully created.
[root@coremail /]# vgextend vg_coremail /dev/sdd1
Volume group "vg_coremail" successfully extended
[root@coremail /]# lvextend -L +99.9G /dev/vg_coremail/lv_coremail /dev/sdd1
Rounding size to boundary between physical extents: 99.90 GiB.
Size of logical volume vg_coremail/lv_coremail changed from 199.80 GiB (51150 extents) to <299.71 GiB (76725 extents).
Logical volume vg_coremail/lv_coremail successfully resized.
[root@coremail /]# lvdisplay
--- Logical volume ---
LV Path /dev/centos/swap
LV Name swap
VG Name centos
LV UUID TjjDje-YB0x-yG7i-Qsm5-mSIw-hx0Z-aOAseS
LV Write Access read/write
LV Creation host, time coremail, 2020-11-24 11:38:24 +0800
LV Status available
# open 2
LV Size <7.88 GiB
Current LE 2016
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:1
--- Logical volume ---
LV Path /dev/centos/home
LV Name home
VG Name centos
LV UUID ctPV6m-wfeF-czMW-5c1v-Ae5i-lFba-1tJ4aC
LV Write Access read/write
LV Creation host, time coremail, 2020-11-24 11:38:25 +0800
LV Status available
# open 1
LV Size <91.12 GiB
Current LE 23326
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:2
--- Logical volume ---
LV Path /dev/centos/root
LV Name root
VG Name centos
LV UUID 4JEZxx-9i9z-0pQA-S9eH-cIYt-LnLB-Acg2oy
LV Write Access read/write
LV Creation host, time coremail, 2020-11-24 11:38:25 +0800
LV Status available
# open 1
LV Size 50.00 GiB
Current LE 12800
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:0
--- Logical volume ---
LV Path /dev/vg_coremail/lv_coremail
LV Name lv_coremail
VG Name vg_coremail
LV UUID YYTqFI-8Uty-JDM3-hIdL-OOx7-VVap-XXa60C
LV Write Access read/write
LV Creation host, time coremail, 2020-12-08 11:18:29 +0800
LV Status available
# open 1
LV Size <299.71 GiB
Current LE 76725
Segments 3
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:3
[root@coremail /]# df -hT | grep /home/coremail
/dev/mapper/vg_coremail-lv_coremail xfs 200G 33M 200G 1% /home/coremail
[root@coremail /]# xfs_growfs /dev/vg_coremail/lv_coremail
meta-data=/dev/mapper/vg_coremail-lv_coremail isize=512 agcount=8, agsize=6547200 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=52377600, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=12787, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 52377600 to 78566400
[root@coremail /]# df -hT | grep /home/coremail
/dev/mapper/vg_coremail-lv_coremail xfs 300G 33M 300G 1% /home/coremail