20231218在Ubuntu18.04下以EXT4格式化HDD
 2023/12/18 17:24
 缘起:
 编译一个Android10+大概要200GB,编译10+个Android10+的SDK,3TB的HDD机械硬盘就估计会被填满了!
 如果使用rm -rf *这个命令将SDK一个一个逐个地删除,估计2小时+(可能大半天就没有了。)
 想过WINDOWS下的解决方式,直接格式化!

 百度搜索:ubuntu 格式化分区
 https://blog.51cto.com/u_4042309/3603342
 Ubuntu - 硬盘分区、格式化、自动挂载配置
在终端窗口中输入如下命令:
 sudo mount -t ext4 /dev/sdb /devdata
 说明:
 指定硬盘分区文件系统类型为ext4 ,同时将 /dev/sdb 分区挂载到目录 /devdata。



 ootroot@rootroot-X99-Turbo:/etc$ sudo umount /home/rootroot/3TB 
 umount: /home/rootroot/3TB: target is busy.
 rootroot@rootroot-X99-Turbo:/etc$ 
 rootroot@rootroot-X99-Turbo:/etc$ 
rootroot@rootroot-X99-Turbo:/etc$ sudo mkfs -t ext4 /
 /dev/loop0      /dev/loop11     /dev/loop14     /dev/loop17     /dev/loop2      /dev/loop22     /dev/loop3      /dev/loop6      /dev/loop9      /dev/nvme0n1p2  /dev/nvme0n1p5  /dev/sda        
 /dev/loop1      /dev/loop12     /dev/loop15     /dev/loop18     /dev/loop20     /dev/loop23     /dev/loop4      /dev/loop7      /dev/nvme0n1    /dev/nvme0n1p3  /dev/nvme0n1p6  /path/to/file   
 /dev/loop10     /dev/loop13     /dev/loop16     /dev/loop19     /dev/loop21     /dev/loop24     /dev/loop5      /dev/loop8      /dev/nvme0n1p1  /dev/nvme0n1p4  /dev/nvme0n1p7  
 rootroot@rootroot-X99-Turbo:/etc$ sudo mkfs -t ext4 /dev/sda
 mke2fs 1.44.1 (24-Mar-2018)
 /dev/sda contains a ext4 file system
     last mounted on /home/rootroot/3TB on Sat Dec 16 09:00:38 2023
 Proceed anyway? (y,N) y
 /dev/sda is mounted; will not make a filesystem here!
 rootroot@rootroot-X99-Turbo:/etc$ 
 rootroot@rootroot-X99-Turbo:/etc$ sudo umount /dev/sda
 umount: /home/rootroot/3TB: target is busy.
 百度:/dev/sda is mounted; will not make a filesystem here!
 百度:umount: /home/rootroot/3TB: target is busy.
 https://blog.csdn.net/qq_35444051/article/details/130979470
 卸载磁盘时报错:‘Umount Target is Busy‘
sudo lsof /Path/to/target
rootroot@rootroot-X99-Turbo:/etc$ sudo lsof /dev/sda
 lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs
       Output information may be incomplete.
 COMMAND  PID USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
 smbd    2892 root   34r   DIR    8,0     4096    2 /home/rootroot/3TB
 smbd    2892 root   35r   DIR    8,0     4096    2 /home/rootroot/3TB
 rootroot@rootroot-X99-Turbo:/etc$ 
rootroot@rootroot-X99-Turbo:/etc$ sudo kill -9 2892
 rootroot@rootroot-X99-Turbo:/etc$ 
 rootroot@rootroot-X99-Turbo:/etc$ sudo lsof /dev/sda
 lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs
       Output information may be incomplete.
 rootroot@rootroot-X99-Turbo:/etc$ 
rootroot@rootroot-X99-Turbo:/etc$ sudo umount /dev/sda
 rootroot@rootroot-X99-Turbo:/etc$ 
 rootroot@rootroot-X99-Turbo:/etc$ sudo mkfs -t ext4 /dev/sda
 mke2fs 1.44.1 (24-Mar-2018)
 /dev/sda contains a ext4 file system
     last mounted on /home/rootroot/3TB on Sat Dec 16 09:00:38 2023
 Proceed anyway? (y,N) y
 Creating filesystem with 732566646 4k blocks and 183148544 inodes
 Filesystem UUID: 87934346-2be0-4970-87f5-a1c3727a970f
 Superblock backups stored on blocks: 
     32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
     4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 
     102400000, 214990848, 512000000, 550731776, 644972544
Allocating group tables: done                            
 Writing inode tables: done                            
 Creating journal (262144 blocks): done
 Writing superblocks and filesystem accounting information: done       
rootroot@rootroot-X99-Turbo:/etc$
 结果:重启之后,结果ubuntu黑屏了,原因不明。我直接格式化【系统】了,【然后】重装【整台电脑的WIN10/Ubuntu20.04】了!
 【步骤应该没有问题呀!^_】

dev/nwmeon1n7:recovering iournal
dew/numeon1n7:clean,300464/2992416 files, 3898699/11962880 b1ocks
3.596527] EDAC sbridge: CPU SrcID #O, Ha #0, Channel #1 has DIMMs, but ECCis disabled
3.5965791EDACsbridge: Couldn't find mci handler
3.5966051EDACsbridge: Couldn't find mci handler3.5966321sbridge: Failed to register device with error -19EDAC
You are in emergency mode. After logging in, type "journalct1 -xh"system logs."systemctI reboot' to reboot , "systemctl default"to boot into default. mode .to view
Press Enter for maintenanceor 'exit
(or press Control-D to cont inue) :
root@rootroot-x99-Turho:'#
 稳妥的步骤:
 rootroot@rootroot-X99-Turbo:/etc$ sudo cp fstab fstab.bak2
 rootroot@rootroot-X99-Turbo:/etc$ cp fstab.bak1 fstab
 rootroot@rootroot-X99-Turbo:/etc$ sudo reboot
rootroot@rootroot-X99-Turbo:/etc$ sudo lsof /dev/sda
 rootroot@rootroot-X99-Turbo:/etc$ sudo mkfs -t ext4 /dev/sda
 【然后重新挂载/dev/sda即可!】
参考资料:
 https://blog.csdn.net/nielinyuan1466/article/details/131953088
 ubuntu磁盘分区、格式化、挂载
 https://blog.51cto.com/xyzlinux/1530157
 创建分区、格式化分区、挂载分区 原创