[CentOS] 3TB usb drive won't mount

m.roth at 5-cent.us m.roth at 5-cent.us
Thu Mar 22 11:05:38 EDT 2012


Bent Terp wrote:
> On Thu, Mar 22, 2012 at 1:39 PM, Barry Brimer <lists at brimer.org> wrote:
>
>> I wonder if it uses a GPT partition table or not.  I don't remember all
>> the details, but for some reason I think you need a GPT partition table
>> to handle partitions, filesystems, or something over 2 TB.
>>
> I would have expected this as well, but:
>  [bent at bnlaptop ~]$ sudo parted /dev/sdb print
> Model: WD My Book 1140 (scsi)
> Disk /dev/sdb: 3001GB
> Sector size (logical/physical): 4096B/4096B
> Partition Table: msdos
>
> Number  Start   End     Size    Type     File system  Flags
>  1      1049kB  3001GB  3001GB  primary
>

There's a problem here: MSDOS - that would be an MBR - can only handle
2TB. Now, if it's set up with 4k sectors, it'll do more, but I don't know
if there's an interaction there.

In short, either partition the drive, or rebuild the drive with a GPT.

       mark



More information about the CentOS mailing list