新格式化的磁盘是只读的

新格式化的磁盘是只读的

我刚刚重新格式化了硬盘,使用 ntfs 文件系统,但它显示为只读。我怎样才能让它可写?

这是 dmesg:

~$ dmesg | tail
[49340.213245] sd 14:0:0:0: [sdb] No Caching mode page found
[49340.213251] sd 14:0:0:0: [sdb] Assuming drive cache: write through
[49340.213709] sd 14:0:0:0: Attached scsi generic sg3 type 0
[49340.223618]  sdb: unknown partition table
[49340.269165] sd 14:0:0:0: [sdb] Attached SCSI disk
[49590.985052] UDF-fs: warning (device sdb): udf_load_vrs: No anchor found
[49590.985056] UDF-fs: Rescanning with blocksize 2048
[49591.183252] UDF-fs: warning (device sdb): udf_load_vrs: No anchor found
[49591.183257] UDF-fs: Rescanning with blocksize 2048
[49591.222542] UDF-fs: INFO Mounting volume 'ESD-ISO', timestamp 2015/08/02 19:41 (1f10)

fdisk -l
   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   ?     6579571  1924427647   958924038+  70  DiskSecure Multi-Boot
/dev/sdb2   ?  1953251627  3771827541   909287957+  43  Unknown
/dev/sdb3   ?   225735265   225735274           5   72  Unknown
/dev/sdb4      2642411520  2642463409       25945    0  Empty

我使用磁盘实用程序进行格式化。

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