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根分区小于分区大小

tag-icon • tag-icon partitioning hard-drive encryption gparted
根分区小于分区大小

我在 VMware 上安装了 Ubuntu。之前的用户扩展了分区的大小（我相信是在启动模式下使用 GParted）。现在我收到有关根分区剩余可用空间的警告。不幸的是，除了磁盘使用工具外，它显示所有内容都是 80G。

> sudo lsblk -o NAME,FSTYPE,SIZE,MOUNTPOINT,LABEL
NAME                  FSTYPE        SIZE MOUNTPOINT                      LABEL
loop0                 squashfs    132,2M /snap/1password/66              
loop1                 squashfs     83,3M /snap/1password/61              
loop2                 squashfs        4K /snap/bare/5                    
loop3                 squashfs     10,2M /snap/canonical-livepatch/104   
loop4                 squashfs     55,4M /snap/core18/2128               
loop5                 squashfs     10,2M /snap/canonical-livepatch/105   
loop6                 squashfs    208,4M /snap/code/75                   
loop7                 squashfs       13M /snap/dmd/102                   
loop8                 squashfs    216,3M /snap/code/76                   
loop9                 squashfs      219M /snap/gnome-3-34-1804/72        
loop10                squashfs     99,3M /snap/core/11743                
loop11                squashfs     55,5M /snap/core18/2074               
loop12                squashfs      167M /snap/gitkraken/182             
loop13                squashfs      219M /snap/gnome-3-34-1804/66        
loop14                squashfs    162,9M /snap/gnome-3-28-1804/145       
loop15                squashfs     65,2M /snap/gtk-common-themes/1519    
loop16                squashfs     65,1M /snap/gtk-common-themes/1515    
loop17                squashfs    164,8M /snap/gnome-3-28-1804/161       
loop18                squashfs        7M /snap/dub/53                    
loop19                squashfs     32,3M /snap/snapd/13170               
loop20                squashfs    346,9M /snap/wine-platform-runtime/249 
loop21                squashfs    322,8M /snap/wine-platform-6-stable/8  
loop22                squashfs     61,4M /snap/prospect-mail/11          
loop23                squashfs    303,1M /snap/wine-platform-5-stable/16 
loop24                squashfs    126,6M /snap/slack/44                  
loop25                squashfs    303,1M /snap/wine-platform-5-stable/18 
loop26                squashfs       51M /snap/snap-store/547            
loop27                squashfs    168,1M /snap/postman/147               
loop28                squashfs     32,4M /snap/snapd/13270               
loop29                squashfs       51M /snap/snap-store/518            
loop30                squashfs      5,5M /snap/notepad-plus-plus/292     
loop31                squashfs    322,8M /snap/wine-platform-6-stable/5  
loop32                squashfs      5,7M /snap/notepad-plus-plus/307     
loop33                squashfs    127,2M /snap/slack/46                  
loop34                squashfs     99,4M /snap/core/11606                
loop35                squashfs    346,9M /snap/wine-platform-runtime/250 
loop36                squashfs    165,9M /snap/gitkraken/183             
loop37                squashfs    168,1M /snap/postman/148               
loop38                squashfs     64,9M /snap/prospect-mail/16          
sda                                  80G                                 
├─sda1                vfat          512M /boot/efi                       
├─sda2                                1K                                 
├─sda5                ext4          731M /boot                           
└─sda6                crypto_LUKS  78,8G                                 
  └─sda6_crypt        LVM2_member  78,8G                                 
    ├─vgubuntu-root   ext4         77,8G /                               
    └─vgubuntu-swap_1 swap          980M [SWAP]                          
sr0

磁盘使用工具

答案1

看起来您的分区大约有 80GB，但您的文件系统大约有 30GB。如果您使用的是 ext4、ext3 或 ext2，则可以使用 resize2fs 命令轻松扩展文件系统。您正在使用 LVM，因此下面的指南应该可以解决您的问题。您只需执行 resize2fs 步骤，但那里还有许多其他命令可以帮助您了解机器上的 LVM 设置

https://www.tecmint.com/extend-and-reduce-lvms-in-linux/

由于这是执行重要的磁盘操作，因此您应该备份任何不能丢失的内容。

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