USB分区被删除，只剩下sdb。 sdb1 不存在。如何重新分区 USB？现在它显示在lsblk输出中，但我无法安装它。
[xx@x ~]$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 465.8G 0 disk
├─sda1 8:1 0 500M 0 part /boot
├─sda2 8:2 0 8G 0 part [SWAP]
└─sda3 8:3 0 457.3G 0 part /
sdb 8:16 1 7.2G 0 disk
sr0 11:0 1 1024M 0 rom
[xx@x ~]$ sudo fdisk /dev/sdb
Welcome to fdisk (util-linux 2.39).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
当我插入正常工作的USB时，sudo fdisk /dev/sdb
当我运行命令时，会出现我可以使用的命令。例如该m命令有效。
不使用 n 命令。当 fdisk /dev/sdb 运行时，在一段时间后会出现输入/输出错误。
fdisk: cannot open /dev/sdb: Input/Output error
消息：
[10846.218694] I/O error, dev sdb, sector 60864 op 0x1:(WRITE) flags 0x104000 phys_seg 30 prio class 2
[10846.218706] buffer_io_error: 7 callbacks suppressed
[10846.218710] Buffer I/O error on dev sdb, logical block 7608, lost async page write
[10846.218726] Buffer I/O error on dev sdb, logical block 7609, lost async page write
[10846.218733] Buffer I/O error on dev sdb, logical block 7610, lost async page write
[10846.218739] Buffer I/O error on dev sdb, logical block 7611, lost async page write
[10846.218744] Buffer I/O error on dev sdb, logical block 7612, lost async page write
[10846.218750] Buffer I/O error on dev sdb, logical block 7613, lost async page write
[10846.218754] Buffer I/O error on dev sdb, logical block 7614, lost async page write
[10846.218760] Buffer I/O error on dev sdb, logical block 7615, lost async page write
[10846.218765] Buffer I/O error on dev sdb, logical block 7616, lost async page write
[10846.218769] Buffer I/O error on dev sdb, logical block 7617, lost async page write
[10852.869745] usb 3-2: reset high-speed USB device number 2 using xhci_hcd
[10859.734626] usb 3-2: reset high-speed USB device number 2 using xhci_hcd
第一次连接时：
[12538.293232] usb 3-2: New USB device found, idVendor=0930, idProduct=6544, bcdDevice= 1.00
[12538.293246] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[12538.293250] usb 3-2: Product: TransMemory
[12538.293253] usb 3-2: Manufacturer: TOSHIBA
[12538.293256] usb 3-2: SerialNumber: 307135823CDACE709B1D1E25
[12538.294235] usb-storage 3-2:1.0: USB Mass Storage device detected
[12538.294463] scsi host6: usb-storage 3-2:1.0
[12539.489418] scsi 6:0:0:0: Direct-Access TOSHIBA TransMemory 1.00 PQ: 0 ANSI: 4
[12539.490125] sd 6:0:0:0: [sdb] 15148608 512-byte logical blocks: (7.76 GB/7.22 GiB)
[12539.490389] sd 6:0:0:0: [sdb] Write Protect is off
[12539.490398] sd 6:0:0:0: [sdb] Mode Sense: 45 00 00 00
[12539.490643] sd 6:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
答案1
如您的输出所示dmesg：
[10846.218694] I/O error, dev sdb, sector 60864 op 0x1:(WRITE) flags 0x104000 phys_seg 30 prio class 2 [10846.218706] buffer_io_error: 7 callbacks suppressed [10846.218710] Buffer I/O error on dev sdb, logical block 7608, lost async page write
...
有东西此 USB 磁盘存在物理错误。没有办法解决它。
如果你需要康复，你就得寻求一些专业的服务。