我有一个64GB的SanDisk SD卡,无法以任何形式写入。文件操作(exFat文件系统)或分区表操作(创建新的分区表等)均无效。但是,奇怪的是,也没有错误消息出现(在文件管理器和终端中都没有)。取而代之的是,每个更改看起来都很好,但是一旦设备被删除,它就会丢失。试着分开,也分开,表现相同。Dmesg没有提到任何可疑的事情:
[ 1745.157286] usb 2-1: new high-speed USB device number 11 using ehci-pci
[ 1745.297481] usb-storage 2-1:1.0: USB Mass Storage device detected
[ 1745.301922] scsi host1: usb-storage 2-1:1.0
[ 1746.437194] scsi 1:0:0:0: Direct-Access Multiple Card Reader 1.00 PQ: 0 ANSI: 0
[ 1747.215991] sd 1:0:0:0: [sdb] 124735488 512-byte logical blocks: (63.9 GB/59.5 GiB)
[ 1747.217152] sd 1:0:0:0: [sdb] Write Protect is off
[ 1747.217165] sd 1:0:0:0: [sdb] Mode Sense: 03 00 00 00
[ 1747.218239] sd 1:0:0:0: [sdb] No Caching mode page found
[ 1747.218253] sd 1:0:0:0: [sdb] Assuming drive cache: write through
[ 1747.227264] sdb: sdb1
[ 1747.231661] sd 1:0:0:0: [sdb] Attached SCSI removable disk
[ 1758.281234] usb 2-1: USB disconnect, device number 11
SD卡上的写锁定开关已关闭。启用后,parted会将磁盘识别为只读磁盘,因此它似乎可以工作。
有进一步诊断的想法吗?
SD卡健康吗?
—
Jaroslav Kucera
健康是什么意思?它不老,使用不多。
—
LukeLR