7.04 (yes!) and large drives

Gene Heskett gheskett at wdtv.com
Sun Dec 1 15:03:20 UTC 2013


On Sunday 01 December 2013 09:58:06 Dave Woyciesjes did opine:

> On 11/30/2013 12:36 AM, Karl Auer wrote:
> > I have a 3TB drive in an Astone USB3.0 enclosure. The drive is seen,
> > but partitions (regardless of size and regardless of whether I use an
> > MBR or GUID partition table) cannot be mounted by Ubuntu 7.04 - it
> > reports the drive as being "very large", then a call to
> > READ_CAPACITY16 fails. A bit of googling suggests that this issue has
> > long since been fixed, but I wonder is there any workaround besides
> > upgrading?
> > 
> > I have 1TB drives that ARE recognised. They are in Astone USB2.0
> > enclosures. If I put a 1TB drive in the new enclosure, it works.
> > Putting the 3TB new drive in an old enclosure kinda works, but ONLY
> > if the drive is formatted with MBR and contains a first partition of
> > any size less than 800GB. The drive is recognised as an "802GB HDD".
> > Larger partitions are seen and are even mountable, but things like
> > e2fsck complain that the partition is larger than the disk, and that
> > something must be corrupted. I'm not sure how safe it would be to
> > proceed under those circumstances.
> > 
> > For now, I've given up and am using 800GB of the drive because that's
> > better than nothing.
> > 
> > Any ideas as to what I might do to get more of the drive recognised
> > and mounted? Is it safe to use the drive when the drive parameters
> > disagree with the file system parameters?
> > 
> > Please don't suggest upgrading Ubuntu, that much I have figured out by
> > myself :-)
> > 
> > Regards, K.
> 
>      OK, I won't suggest it, but there is a high probability that you're
> hosed with an OS that old. IIRC, 3TB drives weren't even available when
> 7.04 came out.

Another factor that might apply too Dave, is that his new 3Tb drive could 
also be a drive with a 4 kilobyte native sector size.  With 7.04 never 
having any knowledge of large sector drives, I'd bet the results of writing 
to it could get "interesting".  Seek calculations would be garbage.

Cheers, Gene
-- 
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