[CentOS] Cannot mount 3TB MyBook USB HD

Am 08.03.2013 22:32, schrieb Miller,Jason [Burlington]:
> Hello, new Linux user here and I cannot mount a new (empty) WD MyBook
> Essentials 3TB USB external hard drive (Model WDBACW0030HBK-NESN).

[ ... ]

> My linux OS is CentOS  5.4 x86-64 running on a dedicated HP z400. The WD
> MyBook is to back up the large data files we are creating on the HP400
> (it's used to run a DNA sequencer)

Your drive is most certainly not compatible with CentOS 5. See

https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/5/html-single/5.6_Technical_Notes/index.html#idm14006544

4 kilobyte physical sectors, 4 kilobyte logical sector harddisks

    4 kilobyte physical sectors, 4 kilobyte logical sector harddisks
require firmware and software modifications to function. This type of 4
kilobytes sector disks is currently not supported in Red Hat Enterprise
Linux 5

In addition:

https://bugzilla.redhat.com/show_bug.cgi?id=682928

Regards

Alexander