linux磁盘挂载

fdisk -l

oot@tiantian-MS-7A36:/# fdisk -l
Disk /dev/sda: 111.8 GiB, 120034123776 bytes, 234441648 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x8381099c

Device     Boot     Start       End   Sectors   Size Id Type
/dev/sda1  *         2048 217761791 217759744 103.9G 83 Linux
/dev/sda2       217763838 234440703  16676866     8G  5 Extended
/dev/sda5       217763840 234440703  16676864     8G 82 Linux swap / Solaris


Disk /dev/sdb: 931.5 GiB, 1000170586112 bytes, 1953458176 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xe1eaf634

Device     Boot     Start        End    Sectors   Size Id Type
/dev/sdb1  *       784384  717518847  716734464 341.8G  7 HPFS/NTFS/exFAT
/dev/sdb2       717518848 1953454079 1235935232 589.3G  7 HPFS/NTFS/exFAT
root@tiantian-MS-7A36:/#

mount /dev/sdb1 /data

umount /dev/sdb1

umount: /data: target is busy
        (In some cases useful info about processes that
         use the device is found by lsof(8) or fuser(1).)