我无法格式化硬盘。我记得几个月前我用 EXT4 格式化过它，并用 LUKS 保护它。
dmesg结果如下：
[ 105.101317] usb 2-1: new SuperSpeed Gen 1 USB device number 4 using xhci_hcd
[ 105.122022] usb 2-1: New USB device found, idVendor=0781, idProduct=55ae, bcdDevice=30.00
[ 105.122024] usb 2-1: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[ 105.122025] usb 2-1: Product: Extreme 55AE
[ 105.122026] usb 2-1: Manufacturer: SanDisk
[ 105.122027] usb 2-1: SerialNumber: 323132364750343032353932
[ 105.126494] scsi host1: uas
[ 112.053699] scsi 1:0:0:0: Direct-Access SanDisk Extreme 55AE 3000 PQ: 0 ANSI: 6
[ 112.054516] scsi 1:0:0:1: Enclosure SanDisk SES Device 3000 PQ: 0 ANSI: 6
[ 112.054951] sd 1:0:0:0: Attached scsi generic sg0 type 0
[ 112.055018] ses 1:0:0:1: Attached Enclosure device
[ 112.055079] ses 1:0:0:1: Attached scsi generic sg1 type 13
[ 112.055190] ses 1:0:0:1: Failed to get diagnostic page 0x1
[ 112.055193] ses 1:0:0:1: Failed to bind enclosure -19
[ 112.089832] sd 1:0:0:0: [sda] Attached SCSI removable disk
fdisk -l /dev/sda 显示：fdisk：无法打开 /dev/sda：未找到介质
有什么办法可以尝试吗？或者这个硬盘坏了？