線上擴容

[root@liujunjun ~]# df -h
檔案系統                        容量  已用  可用 已用% 掛載點
devtmpfs                        384M     0  384M    0% /dev
tmpfs                           400M     0  400M    0% /dev/shm
tmpfs                           400M  5.8M  394M    2% /run
tmpfs                           400M     0  400M    0% /sys/fs/cgroup
 
/dev/mapper/cl-root              19G  1.4G   18G    8% /
/dev/sda1                       283M  126M  139M   48% /boot
tmpfs                            80M     0   80M    0% /run/user/0
/dev/mapper/vgtest-vgtest_LV01   30G  247M   30G    1% /data
[root@liujunjun ~]# lvextend -L 35G /dev/vgtest/vgtest_LV01 

[root@liujunjun ~]# lvdisplay 
  
 
--- Logical volume ---
  LV Path                /dev/vgtest/vgtest_LV01
  LV Name                vgtest_LV01
  VG Name                vgtest
  LV UUID                62qwnI-NGDT-Cvat-ahw1-Kzvf-qfgT-fOcDYR
  LV Write Access        read/write
  LV Creation host, time liujunjun, 2020-12-13 06:48:47 -0500
  LV Status              available
  # open                 
 
1
  LV Size                35.00 GiB
  Current LE             8960
  Segments               2
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     8192
  Block device           253:2

xfs_growfs /dev/vg01/lv01         #此為xfs分割槽格式的過載大小
resize2fs /dev/vg01/lv02        #此為ext分割槽格式的過載大小