前幾天製作樹莓派的TF卡映像文件,TF卡容量從64GB變成了700MB左右。
現在這個TF卡要重新格式化,恢復64GB,採用FAT32格式。
#1.查看磁盤列表
diskutil list
#2. 請確認TF卡磁盤名稱和路徑(這個是個危險的操作,其他無關的外設請事先拔出來,以免誤操作。)
diskutil list #再次確認一下TF卡設備,一般情況下TF卡磁盤容量比Mac 上的磁盤要小很多,一般是32GB,64GB,如果不是請認證覈實,下面操作不可逆,無法撤銷,沒有後悔藥吃。
我的TF卡是64GB的TF卡, /dev/disk2
)
sudo diskutil eraseDisk FAT32 RASPBIAN MBRFormat /dev/disk2
下面是我在自己電腦上的操作信息輸出:
linyingjiedeMacBook-Pro:Volumes linyingjie$ diskutil list
/dev/disk0 (internal):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme 1.0 TB disk0
1: EFI EFI 314.6 MB disk0s1
2: Apple_APFS Container disk1 1.0 TB disk0s2
/dev/disk1 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +1.0 TB disk1
Physical Store disk0s2
1: APFS Volume Macintosh HD 658.8 GB disk1s1
2: APFS Volume Preboot 45.5 MB disk1s2
3: APFS Volume Recovery 509.8 MB disk1s3
4: APFS Volume VM 1.1 GB disk1s4
/dev/disk2 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *64.0 GB disk2
1: Windows_NTFS TFCARD 268.4 MB disk2s1
2: Linux 6.2 GB disk2s2
linyingjiedeMacBook-Pro:Volumes linyingjie$ diskutil eraseDisk FAT32 RASPBIAN MBRFormat /dev/disk2
Started erase on disk2
Unmounting disk
Creating the partition map
Waiting for partitions to activate
Formatting disk2s1 as MS-DOS (FAT32) with name RASPBIAN
512 bytes per physical sector
/dev/rdisk2s1: 125010048 sectors in 1953282 FAT32 clusters (32768 bytes/cluster)
bps=512 spc=64 res=32 nft=2 mid=0xf8 spt=32 hds=255 hid=2048 drv=0x80 bsec=125040640 bspf=15261 rdcl=2 infs=1 bkbs=6
Mounting disk
Finished erase on disk2