如何删除京东云内置储存的内容

yk***

ftp上去显示无权限删除。

yk***

yk***

能格式化也行啊

yk***

[JDC-1 /opt/home/admin]# mkfs.ext4 /dev/mmcblk0
mke2fs 1.45.4 (23-Sep-2019)
/dev/mmcblk0 contains a ext4 file system
        last mounted on /media/AiCard_01 on Mon Sep 25 19:47:43 2023
Proceed anyway? (y,N) y
/dev/mmcblk0 is mounted; will not make a filesystem here!
mke2fs 1.45.4 (23-Sep-2019)
mkfs.ext4: Device size reported to be zero.  Invalid partition specified, or
        partition table wasn't reread after running fdisk, due to
        a modified partition being busy and in use.  You may need to reboot
        to re-read your partition table.

lxh1***

这是已经被挂载到目录了，用mkfs的话需要卸载设备才可以。

yk***

lxh112210 发表于 2023-9-25 20:16
这是已经被挂载到目录了，用mkfs的话需要卸载设备才可以。

请问如何卸载 谢谢

lxh1***

umount /dev/mmcblk0

如果有程序占用，是没法卸载的

yk***

lxh112210 发表于 2023-9-25 20:36
umount /dev/mmcblk0

如果有程序占用，是没法卸载的

[JDC-1 /home/root]# umount /dev/mmcblk0 umount: can't unmount /dev/mmcblk0: Invalid argument

yk***

BusyBox v1.29.3 (2023-08-28 23:45:06 CST) built-in shell (ash)
Enter 'help' for a list of built-in commands.

[JDC-1 3.4.3.9-099_23-09-1]# 2023-09-25 20:46:17
[JDC-1 /home/root]# mkfs.ext4/dev/mmcblk0
-sh: mkfs.ext4/dev/mmcblk0: not found
[JDC-1 /home/root]# fdisk -l
Disk /dev/mtdblock0: 0 MB, 196608 bytes, 384 sectors
0 cylinders, 255 heads, 63 sectors/track
Units: sectors of 1 * 512 = 512 bytes

Disk /dev/mtdblock0 doesn't contain a valid partition table
Disk /dev/mtdblock1: 0 MB, 65536 bytes, 128 sectors
0 cylinders, 255 heads, 63 sectors/track
Units: sectors of 1 * 512 = 512 bytes

Disk /dev/mtdblock1 doesn't contain a valid partition table
Disk /dev/mtdblock2: 0 MB, 65536 bytes, 128 sectors
0 cylinders, 255 heads, 63 sectors/track
Units: sectors of 1 * 512 = 512 bytes

Disk /dev/mtdblock2 doesn't contain a valid partition table
Disk /dev/mtdblock3: 1 MB, 1387008 bytes, 2709 sectors
0 cylinders, 255 heads, 63 sectors/track
Units: sectors of 1 * 512 = 512 bytes

Disk /dev/mtdblock3 doesn't contain a valid partition table
Disk /dev/mtdblock4: 19 MB, 20370432 bytes, 39786 sectors
2 cylinders, 255 heads, 63 sectors/track
Units: sectors of 1 * 512 = 512 bytes

Disk /dev/mtdblock4 doesn't contain a valid partition table
Disk /dev/mtdblock5: 10 MB, 11468800 bytes, 22400 sectors
1 cylinders, 255 heads, 63 sectors/track
Units: sectors of 1 * 512 = 512 bytes

Disk /dev/mtdblock5 doesn't contain a valid partition table
Disk /dev/mtdblock6: 20 MB, 21757952 bytes, 42496 sectors
2 cylinders, 255 heads, 63 sectors/track
Units: sectors of 1 * 512 = 512 bytes

Disk /dev/mtdblock6 doesn't contain a valid partition table
Disk /dev/mmcblk0: 58 GB, 61865984000 bytes, 120832000 sectors
1888000 cylinders, 4 heads, 16 sectors/track
Units: sectors of 1 * 512 = 512 bytes

Disk /dev/mmcblk0 doesn't contain a valid partition table
Disk /dev/mmcblk0boot1: 4 MB, 4194304 bytes, 8192 sectors
128 cylinders, 4 heads, 16 sectors/track
Units: sectors of 1 * 512 = 512 bytes

Disk /dev/mmcblk0boot1 doesn't contain a valid partition table
Disk /dev/mmcblk0boot0: 4 MB, 4194304 bytes, 8192 sectors
128 cylinders, 4 heads, 16 sectors/track
Units: sectors of 1 * 512 = 512 bytes

Disk /dev/mmcblk0boot0 doesn't contain a valid partition table
[JDC-1 /home/root]#