使用根空间增加 /home 挂载大小

Question

我的 /home 目录已满。然而，该/目录有130G的可用空间。是否可以/home在root不重新启动的情况下调整目录大小？

操作系统：Centos 7

[$~]# parted /dev/sda "print free"
Model: VMware Virtual disk (scsi)
Disk /dev/sda: 268GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number  Start   End     Size    Type     File system  Flags
        32.3kB  1049kB  1016kB           Free Space
 1      1049kB  1075MB  1074MB  primary  xfs          boot
 2      1075MB  64.4GB  63.3GB  primary
 3      64.4GB  96.6GB  32.2GB  primary               lvm
 4      96.6GB  268GB   172GB   primary               lvm

[$ ~]# df -hT
Filesystem              Type      Size  Used Avail Use% Mounted on
devtmpfs                devtmpfs  7.8G     0  7.8G   0% /dev
tmpfs                   tmpfs     7.8G     0  7.8G   0% /dev/shm
tmpfs                   tmpfs     7.8G  275M  7.5G   4% /run
tmpfs                   tmpfs     7.8G     0  7.8G   0% /sys/fs/cgroup
/dev/mapper/centos-root xfs       196G   66G  130G  34% /
/dev/sda1               xfs      1014M  358M  657M  36% /boot
/dev/mapper/centos-home xfs        30G   30G   20K 100% /home <----- This
tmpfs                   tmpfs     1.6G   12K  1.6G   1% /run/user/42
tmpfs                   tmpfs     1.6G     0  1.6G   0% /run/user/1000

[$ ~]$ sudo fdisk -l

Disk /dev/sda: 268.4 GB, 268435456000 bytes, 524288000 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: 0x00000b68

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048     2099199     1048576   83  Linux
/dev/sda2         2099200   125829119    61864960   83  Linux
/dev/sda3       125829120   188743679    31457280   8e  Linux LVM
/dev/sda4       188743680   524287999   167772160   8e  Linux LVM

parted print free
WARNING: You are not superuser.  Watch out for permissions.
Error: Could not stat device print - No such file or directory.
Retry/Cancel? c
[$ ~]$ lsblk
NAME                                          MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
sda                                             8:0    0   250G  0 disk
├─sda1                                          8:1    0     1G  0 part  /boot
├─sda2                                          8:2    0    59G  0 part
│ └─luks-0cad437f-3fa3-479e-8a94-fcbe333513d6 253:0    0    59G  0 crypt
│   ├─centos-root                             253:1    0 195.7G  0 lvm   /
│   ├─centos-swap                             253:2    0   5.9G  0 lvm   [SWAP]
│   └─centos-home                             253:3    0    30G  0 lvm   /home
├─sda3                                          8:3    0    30G  0 part
│ └─centos-home                               253:3    0    30G  0 lvm   /home
└─sda4                                          8:4    0   160G  0 part
  └─centos-root                               253:1    0 195.7G  0 lvm   /
sr0                                            11:0    1  1024M  0 rom

[$ ~]# pvs
  PV                                                    VG     Fmt  Attr PSize    PFree
  /dev/mapper/luks-0cad437f-3fa3-479e-8a94-fcbe333513d6 centos lvm2 a--   <59.00g      0
  /dev/sda3                                             centos lvm2 a--   <30.00g <17.43g
  /dev/sda4                                             centos lvm2 a--  <160.00g      0
[$ ~]# vgs
  VG     #PV #LV #SN Attr   VSize    VFree
  centos   3   3   0 wz--n- <248.99g <17.43g

谢谢。