mounting an external Hard Drive

Roland Smith rsmith at
Wed Apr 11 07:13:00 UTC 2007

On Tue, Apr 10, 2007 at 11:09:46PM +0200, Tun Eler wrote:
> Hello,
> i was trying to mount an external HDD in my machine running FBSD 6.2 RELEASE. 
> I configured the kernel according to the Handbook and pluged the exernal HD.
> Then i typed (starting with # are my commands, otherwise output):
> # dmesg
> acpi_tz0: failed to set new freq, disabling passive cooling
> umass0: vendor 0x04b4 Cypress AT2LP      RC7, rev 2.00/2.40, addr 2
> da0 at umass-sim0 bus 0 target 0 lun 0
> da0: <SAMSUNG SP2514N 0000> Fixed Direct Access SCSI-0 device 
> da0: 1.000MB/s transfers
> da0: 238475MB (488397168 512 byte sectors: 255H 63S/T 30401C)

> # mount_msdosfs /dev/da0 /exthd
> mount_msdosfs: /dev/da0: Invalid argument

Don't mount the disk, use a partition.

> # mount_msdosfs /dev/da0s1 /exthd
> mount_msdosfs: /dev/da0s1: Invalid argument

This should be allright.

> # dmesg
> mountmsdosfs(): bad FAT32 filesystem
> mountmsdosfs(): bad FAT32 filesystem

Are you sure it is formatted with FAT? It could be NTFS.

Try running 'fsck_msdosfs /dev/da0s1'

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