VM虚拟机安装CentOS7添加硬盘扩展存储空间的方法
VM虚拟机安装CentOS7添加硬盘扩展存储空间的方法[root@node115 ~]# vgdisplay--- Volume group ---VG NameclSystem IDFormatlvm2Metadata Areas1Metadata Seq...
·
VM虚拟机安装CentOS7添加硬盘扩展存储空间的方法
总结过程步骤如下:
fdisk -l
fdisk /dev/xvdb
p
n
p
t
8e
w
reboot
fdisk -l
mkfs.ext3 /dev/xvdb1 #mkfs -t xfs /dev/xvdb1
lvm
pvcreate /dev/xvdb1
y
vgextend cl /dev/xvdb1
vgdisplay -v
lvextend -l+511999 /dev/mapper/cl-root
pvdisplay
quit
df -h
xfs_growfs /dev/mapper/cl-root
df -h
具体操作过程如下:
[root@node115 ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
/dev/mapper/cl-root 50G 17G 34G 34% /
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.7G 0 7.7G 0% /dev/shm
tmpfs 7.7G 8.5M 7.7G 1% /run
tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup
/dev/xvda1 1014M 138M 877M 14% /boot
/dev/mapper/cl-home 62G 33M 62G 1% /home
tmpfs 1.6G 0 1.6G 0% /run/user/0
[root@node115 ~]# fdisk -l
磁盘 /dev/xvdb:2147.5 GB, 2147483648000 字节,4194304000 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 /dev/xvda:128.8 GB, 128849018880 字节,251658240 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:0x0009f539
设备 Boot Start End Blocks Id System
/dev/xvda1 * 2048 2099199 1048576 83 Linux
/dev/xvda2 2099200 251658239 124779520 8e Linux LVM
磁盘 /dev/mapper/cl-root:53.7 GB, 53687091200 字节,104857600 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 /dev/mapper/cl-swap:8321 MB, 8321499136 字节,16252928 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 /dev/mapper/cl-home:65.8 GB, 65758298112 字节,128434176 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@node115 ~]# fdisk /dev/xvdb
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 0x0afb3533 创建新的 DOS 磁盘标签。
命令(输入 m 获取帮助):p
磁盘 /dev/xvdb:2147.5 GB, 2147483648000 字节,4194304000 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:0x0afb3533
设备 Boot Start End Blocks Id System
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):p
磁盘 /dev/xvdb:2147.5 GB, 2147483648000 字节,4194304000 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:0x0afb3533
设备 Boot Start End Blocks Id System
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): p
分区号 (1-4,默认 1):
起始 扇区 (2048-4194303999,默认为 2048):
将使用默认值 2048
Last 扇区, +扇区 or +size{K,M,G} (2048-4194303999,默认为 4194303999):
将使用默认值 4194303999
分区 1 已设置为 Linux 类型,大小设为 2 TiB
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):w
The partition table has been altered!
Calling ioctl() to re-read partition table.
正在同步磁盘。
[root@node115 ~]# fdisk -l
磁盘 /dev/xvdb:2147.5 GB, 2147483648000 字节,4194304000 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:0x0afb3533
设备 Boot Start End Blocks Id System
/dev/xvdb1 2048 4194303999 2097150976 8e Linux LVM
磁盘 /dev/xvda:128.8 GB, 128849018880 字节,251658240 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:0x0009f539
设备 Boot Start End Blocks Id System
/dev/xvda1 * 2048 2099199 1048576 83 Linux
/dev/xvda2 2099200 251658239 124779520 8e Linux LVM
磁盘 /dev/mapper/cl-root:53.7 GB, 53687091200 字节,104857600 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 /dev/mapper/cl-swap:8321 MB, 8321499136 字节,16252928 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 /dev/mapper/cl-home:65.8 GB, 65758298112 字节,128434176 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
重启机子
[root@node115 ~]# reboot
Connection closing...Socket close.
Connection closed by foreign host.
Disconnected from remote host(192.168.30.115) at 10:18:05.
Type `help' to learn how to use Xshell prompt.
[c:\~]$
Connecting to 192.168.30.115:22...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.
WARNING! The remote SSH server rejected X11 forwarding request.
Last login: Thu Nov 22 09:53:06 2018 from hsgpc
[root@node115 ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
/dev/mapper/cl-root 50G 17G 34G 33% /
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.7G 0 7.7G 0% /dev/shm
tmpfs 7.7G 8.4M 7.7G 1% /run
tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup
/dev/xvda1 1014M 138M 877M 14% /boot
/dev/mapper/cl-home 62G 33M 62G 1% /home
tmpfs 1.6G 0 1.6G 0% /run/user/0
[root@node115 ~]# fdisk -l
磁盘 /dev/xvdb:2147.5 GB, 2147483648000 字节,4194304000 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:0x0afb3533
设备 Boot Start End Blocks Id System
/dev/xvdb1 2048 4194303999 2097150976 8e Linux LVM
磁盘 /dev/xvda:128.8 GB, 128849018880 字节,251658240 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:0x0009f539
设备 Boot Start End Blocks Id System
/dev/xvda1 * 2048 2099199 1048576 83 Linux
/dev/xvda2 2099200 251658239 124779520 8e Linux LVM
磁盘 /dev/mapper/cl-root:53.7 GB, 53687091200 字节,104857600 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 /dev/mapper/cl-swap:8321 MB, 8321499136 字节,16252928 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 /dev/mapper/cl-home:65.8 GB, 65758298112 字节,128434176 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@node115 ~]# vgdisplay
--- Volume group ---
VG Name cl
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 4
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 3
Open LV 3
Max PV 0
Cur PV 1
Act PV 1
VG Size 119.00 GiB
PE Size 4.00 MiB
Total PE 30463
Alloc PE / Size 30462 / 118.99 GiB
Free PE / Size 1 / 4.00 MiB
VG UUID PQLECv-i0Yr-sgLQ-kNGU-HswJ-dHZn-rdXjVA
[root@node115 ~]# mkfs.ext3 /dev/xvdb1
mke2fs 1.42.9 (28-Dec-2013)
文件系统标签=
OS type: Linux
块大小=4096 (log=2)
分块大小=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
131072000 inodes, 524288000 blocks
26214400 blocks (5.00%) reserved for the super user
第一个数据块=0
Maximum filesystem blocks=4294967296
16000 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000, 214990848, 512000000
Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (32768 blocks): 完成
Writing superblocks and filesystem accounting information: 完成
[root@node115 ~]# lvm
lvm> vgdisplay -v
--- Volume group ---
VG Name cl
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 4
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 3
Open LV 3
Max PV 0
Cur PV 1
Act PV 1
VG Size 119.00 GiB
PE Size 4.00 MiB
Total PE 30463
Alloc PE / Size 30462 / 118.99 GiB
Free PE / Size 1 / 4.00 MiB
VG UUID PQLECv-i0Yr-sgLQ-kNGU-HswJ-dHZn-rdXjVA
--- Logical volume ---
LV Path /dev/cl/swap
LV Name swap
VG Name cl
LV UUID ZvBdC9-snr8-d7yZ-Y2Lj-HTnM-84kp-SX6ny3
LV Write Access read/write
LV Creation host, time node1, 2018-11-08 18:06:09 +0800
LV Status available
# open 2
LV Size 7.75 GiB
Current LE 1984
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:1
--- Logical volume ---
LV Path /dev/cl/home
LV Name home
VG Name cl
LV UUID E5GahN-x1E9-LeYz-Al42-IDjn-PKD4-BNZ97U
LV Write Access read/write
LV Creation host, time node1, 2018-11-08 18:06:09 +0800
LV Status available
# open 1
LV Size 61.24 GiB
Current LE 15678
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:2
--- Logical volume ---
LV Path /dev/cl/root
LV Name root
VG Name cl
LV UUID bryF7M-XMOy-YZbe-z4Zk-7t4s-2jwX-79so4y
LV Write Access read/write
LV Creation host, time node1, 2018-11-08 18:06:09 +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
--- Physical volumes ---
PV Name /dev/xvda2
PV UUID HJjZMK-sxkD-ZKBv-4tCT-yo2d-ielX-wK5Xm3
PV Status allocatable
Total PE / Free PE 30463 / 1
lvm> pvcreate /dev/xvdb1
WARNING: ext3 signature detected on /dev/xvdb at offset 1080. Wipe it? [y/n]: y
Wiping ext3 signature on /dev/xvdb1.
Physical volume "/dev/xvdb1" successfully created.
lvm> vgextend cl /dev/xvdb1
Volume group "cl" successfully extended
lvm> vgdisplay -v
--- Volume group ---
VG Name cl
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 5
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 3
Open LV 3
Max PV 0
Cur PV 2
Act PV 2
VG Size 2.07 TiB
PE Size 4.00 MiB
Total PE 542462
Alloc PE / Size 30462 / 118.99 GiB
Free PE / Size 512000 / 1.95 TiB
VG UUID PQLECv-i0Yr-sgLQ-kNGU-HswJ-dHZn-rdXjVA
--- Logical volume ---
LV Path /dev/cl/swap
LV Name swap
VG Name cl
LV UUID ZvBdC9-snr8-d7yZ-Y2Lj-HTnM-84kp-SX6ny3
LV Write Access read/write
LV Creation host, time node1, 2018-11-08 18:06:09 +0800
LV Status available
# open 2
LV Size 7.75 GiB
Current LE 1984
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:1
--- Logical volume ---
LV Path /dev/cl/home
LV Name home
VG Name cl
LV UUID E5GahN-x1E9-LeYz-Al42-IDjn-PKD4-BNZ97U
LV Write Access read/write
LV Creation host, time node1, 2018-11-08 18:06:09 +0800
LV Status available
# open 1
LV Size 61.24 GiB
Current LE 15678
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:2
--- Logical volume ---
LV Path /dev/cl/root
LV Name root
VG Name cl
LV UUID bryF7M-XMOy-YZbe-z4Zk-7t4s-2jwX-79so4y
LV Write Access read/write
LV Creation host, time node1, 2018-11-08 18:06:09 +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
--- Physical volumes ---
PV Name /dev/xvda2
PV UUID HJjZMK-sxkD-ZKBv-4tCT-yo2d-ielX-wK5Xm3
PV Status allocatable
Total PE / Free PE 30463 / 1
PV Name /dev/xvdb1
PV UUID OPV4yv-UjWr-g1p1-8FoB-3iRS-YIYo-dRw2se
PV Status allocatable
Total PE / Free PE 511999 / 511999
lvm> lvextend -l+511999 /dev/mapper/cl-root
Size of logical volume cl/root changed from 50.00 GiB (12800 extents) to 2.00 TiB (524799 extents).
Logical volume cl/root successfully resized.
lvm> pvdisplay
--- Physical volume ---
PV Name /dev/xvda2
VG Name cl
PV Size 119.00 GiB / not usable 3.00 MiB
Allocatable yes (but full)
PE Size 4.00 MiB
Total PE 30463
Free PE 0
Allocated PE 30463
PV UUID HJjZMK-sxkD-ZKBv-4tCT-yo2d-ielX-wK5Xm3
--- Physical volume ---
PV Name /dev/xvdb1
VG Name cl
PV Size 1.95 TiB / not usable 4.00 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 511999
Free PE 1
Allocated PE 511998
PV UUID OPV4yv-UjWr-g1p1-8FoB-3iRS-YIYo-dRw2se
lvm> quit
Exiting.
[root@node115 ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
/dev/mapper/cl-root 50G 17G 34G 33% /
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.7G 0 7.7G 0% /dev/shm
tmpfs 7.7G 8.4M 7.7G 1% /run
tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup
/dev/xvda1 1014M 138M 877M 14% /boot
/dev/mapper/cl-home 62G 33M 62G 1% /home
tmpfs 1.6G 0 1.6G 0% /run/user/0
[root@node115 ~]# fdisk -l
磁盘 /dev/xvdb:2147.5 GB, 2147483648000 字节,4194304000 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 /dev/xvda:128.8 GB, 128849018880 字节,251658240 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:0x0009f539
设备 Boot Start End Blocks Id System
/dev/xvda1 * 2048 2099199 1048576 83 Linux
/dev/xvda2 2099200 251658239 124779520 8e Linux LVM
磁盘 /dev/mapper/cl-root:2201.2 GB, 2201166544896 字节,4299153408 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 /dev/mapper/cl-swap:8321 MB, 8321499136 字节,16252928 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 /dev/mapper/cl-home:65.8 GB, 65758298112 字节,128434176 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@node115 ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
/dev/mapper/cl-root 50G 17G 34G 33% /
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.7G 0 7.7G 0% /dev/shm
tmpfs 7.7G 8.4M 7.7G 1% /run
tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup
/dev/xvda1 1014M 138M 877M 14% /boot
/dev/mapper/cl-home 62G 33M 62G 1% /home
tmpfs 1.6G 0 1.6G 0% /run/user/0
[root@node115 ~]# xfs_growfs /dev/mapper/cl-root
meta-data=/dev/mapper/cl-root isize=512 agcount=4, agsize=3276800 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=13107200, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=6400, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 13107200 to 537394176
[root@node115 ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
/dev/mapper/cl-root 2.1T 17G 2.0T 1% /
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.7G 0 7.7G 0% /dev/shm
tmpfs 7.7G 8.4M 7.7G 1% /run
tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup
/dev/xvda1 1014M 138M 877M 14% /boot
/dev/mapper/cl-home 62G 33M 62G 1% /home
tmpfs 1.6G 0 1.6G 0% /run/user/0
[root@node115 ~]#
更多推荐
已为社区贡献5条内容
所有评论(0)