Date: Thu, 14 Feb 2013 14:21:19 -0500 From: "Thomas Mueller" <mueller6724@bellsouth.net> To: freebsd-questions@FreeBSD.org Cc: Scott Bennett <bennett@cs.niu.edu> Subject: Re: 3 TB disk troubles Message-ID: <5B.18.06175.F293D115@smtp01.insight.synacor.com> References: <201302141116.r1EBGVIi019834@mp.cs.niu.edu>
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> I recently bought a 3 TB external hard drive. I attached it to the
> Firewire (400) bus and waited for my 8.2-STABLE i386 system to recognize it.
> After a small flurry of Firewire protocol messages, the kernel eventually
> said,
> Feb 12 23:35:42 hellas kernel: da2 at sbp0 bus 0 scbus0 target 1 lun 0
> Feb 12 23:35:42 hellas kernel: da2: <Initio INIC-1615P 0101> Fixed Direct Access SCSI-0 device
> Feb 12 23:35:42 hellas kernel: da2: 50.000MB/s transfers
> Feb 12 23:35:42 hellas kernel: da2: 2861588MB (5860533167 512 byte sectors: 255H
63S/T 364801C)
> So far, so good, I thought.
> Next I tried to use gpart(8) to set up a partition table. However,
> gpart, gpte (from sysutils/gpte), diskinfo(8), et al. only see the device
> as a 2 TB drive.
> hellas# diskinfo -v /dev/da2
> /dev/da2
> 512 # sectorsize
> 2199023253504 # mediasize in bytes (2T)
> 4294967292 # mediasize in sectors
> 0 # stripesize
> 0 # stripeoffset
> 267349 # Cylinders according to firmware.
> 255 # Heads according to firmware.
> 63 # Sectors according to firmware.
> # Disk ident.
> hellas#
> I have searched the archives of this list and several others, but
> haven't found anything helpful. This disk is *not* intended as a boot
> disk, just data storage. Is there any hope of using its full capacity?
> Or have I effectively bought an overpriced 2 TB drive?
> Please Cc: me directly in any replies because I am subscribed to
> the digest form of this list and would like to see responses without
> having to wait up to 24 hours. :-) Thanks in advance for any help!
> Scott Bennett, Comm. ASMELG, CFIAG
There is Rod Smith's gdisk, a gpt counterpart of fdisk.
http://rodsbooks.com/gdisk/
and available in FreeBSD ports collection, one version (0.8.5) behind Rod's current version 0.8.6.
This works for me.
Tom
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