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楼主啊,扩容的时候你是不是漏了一条命令啊,我反复了几次都没成功,发现少了挂回去这条“mount /dev/mmcblk0p27 /mnt/mmcblk0p27”![](static/image/smiley/default/titter.gif)
root@iStoreOS:~# umount /dev/mmcblk0p27
root@iStoreOS:~# mkfs.ext4 -F /dev/mmcblk0p27
mke2fs 1.46.5 (30-Dec-2021)
/dev/mmcblk0p27 contains a ext4 file system
last mounted on /mnt/mmcblk0p27 on Sat Sep 2 01:07:11 2023
Discarding device blocks: done
Creating filesystem with 14699511 4k blocks and 3678208 inodes
Filesystem UUID: 37617b5f-bd5d-4b64-a081-05238f47c2b6
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424
Allocating group tables: done
Writing inode tables: done
Creating journal (65536 blocks): done
Writing superblocks and filesystem accounting information: done
root@iStoreOS:~# mount /dev/mmcblk0p27 /mnt/mmcblk0p27
root@iStoreOS:~# cp -r /overlay/* /mnt/mmcblk0p27
root@iStoreOS:~# ls /mnt/mmcblk0p27
lost+found upper work
root@iStoreOS:~# block detect > /etc/config/fstab
root@iStoreOS:~# sed -i s#/mnt/mmcblk0p27#/overlay# /etc/config/fstab
root@iStoreOS:~# sed -i '12s/1/0/g' /etc/config/fstab
root@iStoreOS:~# reboot
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