겹치는 파티션 테이블

겹치는 파티션 테이블

이제 충분합니다. 64GB SD 카드가 있는데 더 이상은 모르겠습니다. 포맷했는데 데이터와 파티션 테이블이 그대로 남아 있었습니다. :'(

내가 원하는 것은 빈 드라이브이며 데이터를 백업했습니다.

hartofwave@HartofWave-Flaming-Blade-GTI:~ > sudo fdisk -l -u /dev/sdb

Disk /dev/sdb: 63.9 GB, 63864569856 bytes                                                                                                                                                                                                    
64 heads, 32 sectors/track, 60906 cylinders, total 124735488 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                                                                                                                                                                                            
Disk identifier: 0x6b736964                                                                                                                                                                                                                  

This doesn't look like a partition table                                                                                                                                                                                                     
Probably you selected the wrong device.                                                                                                                                                                                                      

   Device Boot      Start         End      Blocks   Id  System                                                                                                                                                                               
/dev/sdb1   ?  1701998624  3331515282   814758329+  74  Unknown                                                                                                                                                                              
/dev/sdb2   ?  1330184192  1869160479   269488144   65  Novell Netware 386
/dev/sdb3   ?   538989391  1937352302   699181456   53  OnTrack DM6 Aux3
/dev/sdb4   ?  3909118566  3909183904       32669+  bb  Boot Wizard hidden

Partition table entries are not in disk order

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hartofwave@HartofWave-Flaming-Blade-GTI:~ > sudo parted /dev/sdb unit s print
Model: TS-RDF5 SD Transcend (scsi)
Disk /dev/sdb: 124735488s
Sector size (logical/physical): 512B/512B
Partition Table: loop

Number  Start  End         Size        File system  Flags
 1      0s     124735487s  124735488s  fat32

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hartofwave@HartofWave-Flaming-Blade-GTI:~ > sudo mount -l
/dev/sda1 on / type ext4 (rw,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/fs/cgroup type tmpfs (rw)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
none on /run/user type tmpfs (rw,noexec,nosuid,nodev,size=104857600,mode=0755)
none on /sys/fs/pstore type pstore (rw)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
systemd on /sys/fs/cgroup/systemd type cgroup (rw,noexec,nosuid,nodev,none,name=systemd)

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Hartofwave@HartofWave-Flaming-Blade-GTI:~ > sudo mkfs.ext2 /dev/sdb
mke2fs 1.42.9 (4-Feb-2014)
/dev/sdb is entire device, not just one partition!
Proceed anyway? (y,n) y
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
3899392 inodes, 15591936 blocks
779596 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4294967296
476 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
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                            
Writing superblocks and filesystem accounting information: done  

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Hartofwave@HartofWave-Flaming-Blade-GTI:~ > sudo dd if=/dev/zero of=/dev/sdb bs=1 count=512
[sudo] password for hartofwave: 
512+0 records in
512+0 records out
512 bytes (512 B) copied, 0.00280728 s, 182 kB/s

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hartofwave@HartofWave-Flaming-Blade-GTI:~ > sudo fdisk /dev/sdb
[sudo] password for hartofwave: 

Command (m for help): o
Building a new DOS disklabel with disk identifier 0x0cf4e32b.
Changes will remain in memory only, until you decide to write them.
After that, of course, the previous content won't be recoverable.

Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.

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고쳐 쓰다

그래서 여전히 수정 사항이 없습니다. 한 가지 궁금한 점은 변경 사항을 적용하고 작성한 후 장치를 새로 고치거나 PC를 다시 시작한 후에 변경 사항이 취소되는 이유는 무엇입니까? 누구든지 내가 시도해 볼 수 있는 것이 있나요?

sudo fdisk /dev/sdb
[sudo] password for hartofwave: 

Welcome to fdisk (util-linux 2.25.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


Command (m for help): v
Partition 1: overlaps partition 2.
Partition 1: overlaps partition 3.
Total allocated sectors 4866404289 greater than the maximum 124735488.

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