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root@OpenWrt:~# fdisk -l
Disk /dev/ram0: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram1: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram2: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/ram3: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/mmcblk0: 7.3 GiB, 7820083200 bytes, 15273600 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x98330e67
Device Boot Start End Sectors Size Id Type
/dev/mmcblk0p1 32768 294911 262144 128M 83 Linux
/dev/mmcblk0p2 294912 1343487 1048576 512M 83 Linux
/dev/mmcblk0p3 1343488 2392063 1048576 512M 83 Linux
/dev/mmcblk0p4 2392064 15273599 12881536 6.1G 83 Linux
Disk /dev/sda: 931.5 GiB, 1000204877824 bytes, 1953525152 sectors
Disk model: EZEX-00M2NA0
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xe419e419
Device Boot Start End Sectors Size Id Type
/dev/sda1 2048 1953525151 1953523104 931.5G 83 Linux
Disk /dev/sdb: 29.3 GiB, 31457280000 bytes, 61440000 sectors
Disk model: Flash Disk
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 63 61439999 61439937 29.3G 7 HPFS/NTFS/exFAT
root@OpenWrt:~# mkfs.ext4 /dev/sdb
mke2fs 1.44.3 (10-July-2018)
/dev/sdb contains `DOS/MBR boot sector; partition 1 : ID=0x7, active, start-CHS (0x0,1,1), end-CHS (0x2f0,118,6), startsector 63, 61439937 sectors' data
Proceed anyway? (y,N) y
/dev/sdb is apparently in use by the system; will not make a filesystem here!
root@OpenWrt:~# mkdir /mnt/lnmp
mkdir: can't create directory '/mnt/lnmp': File exists
root@OpenWrt:~#
出错了,
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