[root@localhost ~]# cat /etc/rc.local
#!/bin/bash
# THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES
#
# It is highly advisable to create own systemd services or udev rules
# to run scripts during boot instead of using this file.
#
# In contrast to previous versions due to parallel execution during boot
# this script will NOT be run after all other services.
#
# Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure
# that this script will be executed during boot.
touch /var/lock/subsys/local
###
/usr/bin/growpart /dev/vda 1
/usr/sbin/xfs_growfs /
/usr/bin/sed '/^###/,$d' -i /etc/rc.d/rc.local
[root@localhost ~]# [ 94.391711] random: crng init done
[root@localhost ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 253:0 0 30G 0 disk
└─vda1 253:1 0 16G 0 part /
[root@rootroom9pc01 ~]# virsh
欢迎使用 virsh，虚拟化的交互式终端。
输入：'help' 来获得命令的帮助信息
'quit' 退出
virsh # start node1
域 node1 已开始
virsh # lsblk
错误：未知的命令：'lsblk'
virsh # console node1
连接到域 node1
换码符为 ^]
CentOS Linux 7 (Core)
Kernel 3.10.0-693.el7.x86_64 on an x86_64
localhost login: root
Password:
Last login: Fri Jul 20 01:11:22 on ttyS0
[root@localhost ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 253:0 0 30G 0 disk
└─vda1 253:1 0 16G 0 part /
[root@localhost ~]# cat /etc/rc.local
#!/bin/bash
# THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES
#
# It is highly advisable to create own systemd services or udev rules
# to run scripts during boot instead of using this file.
#
# In contrast to previous versions due to parallel execution during boot
# this script will NOT be run after all other services.
#
# Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure
# that this script will be executed during boot.
touch /var/lock/subsys/local
###
/usr/bin/growpart /dev/vda 1
/usr/sbin/xfs_growfs /
/usr/bin/sed '/^###/,$d' -i /etc/rc.d/rc.local
[root@localhost ~]# [ 94.391711] random: crng init done
[root@localhost ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 253:0 0 30G 0 disk
└─vda1 253:1 0 16G 0 part /
[root@localhost ~]# /usr/bin/growpart /dev/vda 1
CHANGED: partition=1 start=2048 old: size=33552384 end=33554432 new: size=62912479,end=62914527
[root@localhost ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 253:0 0 30G 0 disk
└─vda1 253:1 0 30G 0 part /
[root@localhost ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/vda1 16765952 1151084 15614868 7% /
devtmpfs 989700 0 989700 0% /dev
tmpfs 999588 0 999588 0% /dev/shm
tmpfs 999588 8452 991136 1% /run
tmpfs 999588 0 999588 0% /sys/fs/cgroup
tmpfs 199920 0 199920 0% /run/user/0
[root@localhost ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/vda1 16G 1.1G 15G 7% /
devtmpfs 967M 0 967M 0% /dev
tmpfs 977M 0 977M 0% /dev/shm
tmpfs 977M 8.3M 968M 1% /run
tmpfs 977M 0 977M 0% /sys/fs/cgroup
tmpfs 196M 0 196M 0% /run/user/0
[root@localhost ~]# /usr/sbin/xfs_growfs /
meta-data=/dev/vda1 isize=512 agcount=4, agsize=1048512 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=4194048, 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 4194048 to 7864059
[root@localhost ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/vda1 30G 1.1G 29G 4% /
devtmpfs 967M 0 967M 0% /dev
tmpfs 977M 0 977M 0% /dev/shm
tmpfs 977M 8.3M 968M 1% /run
tmpfs 977M 0 977M 0% /sys/fs/cgroup
tmpfs 196M 0 196M 0% /run/user/0