[TOC]

背景

运维人员图方便，直接克隆了一台机子，但是内存分配不够用

image.png

其他内容

组是 cl

PART1

备份/home文件夹下内容

cp -r /home/ homebak/

卸载 /home

umount /home

如果失败通过以下指令终止/home下的进程

fuser -m -v -i -k /home

删除/home所在的lv

lvremove -y /dev/mapper/cl_smartmsp125-home

PART2 vgdisplay命令显示LVM卷组的信息

vgdisplay

引用

• 参考1最有效
• [扩容方案] (https://www.cnblogs.com/maohedashu/p/12082465.html)

历史的命令行

扩容命令行

  216  docker-compose -f /development/docker/docker-compose-confluence-postgresql.yml restart 
  217  cd /development/docker/
  218  ls
  219  reboot
  220  docker-compose -f /development/docker/docker-compose-confluence-postgresql.yml restart 
  221  reboot
  222  docker-compose -f /development/docker/docker-compose-confluence-postgresql.yml restart 
  223  cd 
  224  cd /development/docker/
  225  ls
  226  cd confluence/
  227  ls
  228  cd confluence-data/
  229  ls
  230  ls -i
  231     reboot
  232  reboot
  233  docker-compose -f /development/docker/docker-compose-confluence-postgresql.yml restart 
  234  reboot
  235  docker-compose -f /development/docker/docker-compose-confluence-postgresql.yml restart 
  236  reboot
  237  docker-compose -f /development/docker/docker-compose-confluence-postgresql.yml restart 
  238  shutdown
  239  shutdown -t 
  240  shutdown -t 0
  241  shutdown -t 0s
  242  shutdown now
  243  docker-compose -f /development/docker/docker-compose-confluence-postgresql.yml restart 
  244  reboot
  245  shutdown noew
  246  shutdown now
  247  cat /development/docker/docker-compose-confluence-postgresql.yml restart
  248  vi /development/docker/docker-compose-confluence-postgresql.yml restart
  249  shutdown now
  250  dh -f
  251  df -h
  252  cp -r /home/ homebak/
  253  du -h –max-depth=1
  254  du -h –max-depth=1 /home
  255  rx
  256  rz
  257  dz
  258  sz
  259  cd /
  260  ls
  261  sz home
  262  sz /home
  263  df- h
  264  df -h
  265  cp /home /dev/mapper/cl-home/home_tmp
  266  cp /home /dev/mapper/cl-home/home_tmp  -r
  267  mkdir /dev/mapper/cl-home/home_tmp
  268  cd /dev/mapper/cl-home
  269  sftp
  270  cd /etc/group
  271  whereis vsftpd
  272  ls
  273  cd /etc/vsftpd/
  274  whereis vsftpd
  275  cat /development/docker/docker-compose-confluence-postgresql.yml stop
  276  history 
  277  docker-compose -f /development/docker/docker-compose-confluence-postgresql.yml stop
  278  /etc/init.d/sshd start
  279  df -h
  280  shutdown now
  281  df -h
  282  vgdisplay
  283  fdisk -l
  284  fdisk /dev/sdb
  285  vgdisplay
  286  fdisk -l
  287  fdisk /dev/sdb
  288  pvcreate /dev/sdb1
  289  vgdisplay
  290  vgextend cl /dev/sdb1
  291  df -h
  292  pvdisplay 
  293  vgextend cl /dev/sdb1
  294  echo $?
  295  pvs
  296  cd /v
  297  cd /var/lo
  298  cd /var/log
  299  ls
  300  rm -rf *
  301  ls
  302  vgextend cl /dev/sdb1
  303  df -h
  304  vgdisplay 
  305  lvresize -L +190G /dev/mapper/cl-root
  306  df -h
  307  lvresize -L +190G /dev/mapper/cl-root
  308  df -h
  309  reboot
  310  df -h
  311  history