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I have a flashdisk drive that can't mount or backup, but when I check with lsusb that flashdisk is detected:

➜  ~ lsusb        
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0930:6544 Toshiba Corp. TransMemory-Mini / Kingston DataTraveler 2.0 Stick (2GB)
Bus 001 Device 003: ID 1bcf:2c18 Sunplus Innovation Technology Inc. 
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

But, if it is detected then why doesn't my flashdisk exist in /dev/sdb? Does anyone know what happened to my flashdisk?

➜  ~ sudo fdisk -l
Disk /dev/sda: 465,8 GiB, 500107862016 bytes, 976773168 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
Disklabel type: dos
Disk identifier: 0x00094cd3

Device     Boot     Start       End   Sectors   Size Id Type
/dev/sda1  *         2048 195311615 195309568  93,1G 83 Linux
/dev/sda2       195313662 199311359   3997698   1,9G  5 Extended
/dev/sda3       199313408 942567423 743254016 354,4G 83 Linux
/dev/sda4       942569472 976773167  34203696  16,3G 83 Linux
/dev/sda5       195313664 199311359   3997696   1,9G 82 Linux swap / Solaris

Partition 2 does not start on physical sector boundary.
Partition table entries are not in disk order.

➜  ~ sudo parted -l
Model: ATA WDC WD5000LPVT-2 (scsi)
Disk /dev/sda: 500GB
Sector size (logical/physical): 512B/4096B
Partition Table: msdos
Disk Flags: 

Number  Start   End    Size    Type      File system     Flags
 1      1049kB  100GB  100GB   primary   ext4            boot
 2      100GB   102GB  2047MB  extended
 5      100GB   102GB  2047MB  logical   linux-swap(v1)
 3      102GB   483GB  381GB   primary   ext4
 4      483GB   500GB  17,5GB  primary   ext4

➜  ~ lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0 465,8G  0 disk 
├─sda1   8:1    0  93,1G  0 part /
├─sda2   8:2    0     1K  0 part 
├─sda3   8:3    0 354,4G  0 part /media/agaust/Data
├─sda4   8:4    0  16,3G  0 part 
└─sda5   8:5    0   1,9G  0 part [SWAP]
sr0     11:0    1  1024M  0 rom 

I also tried to check it via Disks:

usb drive

marked as duplicate by sudodus, waltinator, Eric Carvalho, user364819, karel Jul 19 '17 at 7:02

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • would another flash drive work? – Camden Jul 18 '17 at 14:08
  • @Camden yes, another flash drive works properly.. – Sanca Kembang Jul 18 '17 at 14:10
  • will the flashdisk work in another computer – Camden Jul 18 '17 at 14:11
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    @sudodus great catch on that answer. Maybe flag this as a duplicate? – ThatGuy Jul 18 '17 at 14:29
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    no cuz its a broken drive – Camden Jul 18 '17 at 16:14