vmware虚拟机扩容

最新推荐文章于 2025-09-23 17:30:18 发布

原创最新推荐文章于 2025-09-23 17:30:18 发布 · 3.4k 阅读

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#linux #运维 #服务器

1、查看硬盘使用情况

df -h
--------------------
Filesystem               Size  Used Avail Use% Mounted on
devtmpfs                 3.8G     0  3.8G   0% /dev
tmpfs                    3.9G   12K  3.9G   1% /dev/shm
tmpfs                    3.9G   14M  3.8G   1% /run
tmpfs                    3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/mapper/centos-root   26G   17G  17G   100% /
/dev/sda1               1014M  233M  782M  23% /boot
tmpfs                    781M     0  781M   0% /run/user/0

发现/dev/mapper/centos-root已使用100%

2、在VMware Workstation中设置扩容

选择到虚拟机，右键设置，选择硬盘，扩容，输入容量。

3、新建分区

查看分区情况

fdisk -l
------------------
Disk /dev/sda: 42.9 GB, 42949672960 bytes, 83886080 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000b9f67

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048     2099199     1048576   83  Linux
/dev/sda2         2099200    41943039    19921920   8e  Linux LVM
/dev/sda3        41943040    62914559    10485760   8e  Linux LVM

Disk /dev/mapper/centos-root: 27.9 GB, 27913093120 bytes, 54517760 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/centos-swap: 2147 MB, 2147483648 bytes, 4194304 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

现在容量已变成Disk /dev/sda: 42.9 GB说明扩容成功
现在进行分区操作

fdisk /dev/sda #上面查询出的挂载的设备号

查看分区情况

格式化分区

重启电脑

4、扩容主分区

查看虚拟卷组名

vgdisplay
------------
  --- Volume group ---
  VG Name               centos
  System ID             
  Format                lvm2
  Metadata Areas        2
  Metadata Sequence No  5
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                2
  Open LV               2
  Max PV                0
  Cur PV                2
  Act PV                2
  VG Size               28.99 GiB
  PE Size               4.00 MiB
  Total PE              7422
  Alloc PE / Size       7167 / <28.00 GiB
  Free  PE / Size       255 / 1020.00 MiB
  VG UUID               27c394-CgrW-lNJT-7KNZ-Mkkr-IXFL-EL2vuB

进入lvm管理

lvm
lvm> pvcreate /dev/sda4 #刚才新建分区
  Physical volume "/dev/sda4" successfully created.
lvm> vgextend centos /dev/sda4 #centos通过上面命令查询出来的VG Name
  Volume group "centos" successfully extended
lvm> lvextend -L +10G /dev/mapper/centos-root #扩展已有卷的容量

以上是卷扩了容量，执行以下命令来文件扩容

resize2fs /dev/mapper/centos-root
------------------------------
resize2fs 1.42.9 (28-Dec-2013)
resize2fs: Bad magic number in super-block while trying to open /dev/mapper/centos-root
Couldn't find valid filesystem superblock.

出现了错误
查询文件系统格式为xfs

cat /etc/fstab | grep centos-root
/dev/mapper/centos-root /                       xfs     defaults        0 0

使用xfs命令扩容

xfs_growfs /dev/mapper/centos-root
----------------------------
meta-data=/dev/mapper/centos-root isize=512    agcount=7, agsize=1113856 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=0 spinodes=0
data     =                       bsize=4096   blocks=6814720, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
log      =internal               bsize=4096   blocks=2560, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
data blocks changed from 6814720 to 9436160

查询

df -h
----------------------
Filesystem               Size  Used Avail Use% Mounted on
devtmpfs                 3.8G     0  3.8G   0% /dev
tmpfs                    3.9G   12K  3.9G   1% /dev/shm
tmpfs                    3.9G   14M  3.8G   1% /run
tmpfs                    3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/mapper/centos-root   36G   17G   20G  46% /
/dev/sda1               1014M  233M  782M  23% /boot
tmpfs                    781M     0  781M   0% /run/user/0

配置成功