7.2 Installation Problem - Large Disk
ben at b1c1l1.com
Fri May 8 03:13:59 UTC 2009
On 05/07/2009 07:28 PM, Paul Stewart wrote:
> Hi there..
> I hope this is the correct mailing list to ask this question.
> I have a Dell Poweredge R710 server (brand new)... 7.2-RELEASE installs fine
> but I'm having a problem getting any large partitions over approximately
> 500GB. During the installation it allows me to create 4.5TB partition but
> after rebooting it's only really 500GB +/-
> Has anyone successfully installed into a disk this large? This is a RAID5
> array using the Dell Perc 6/I controller
> I have installed now 6+ times with smaller partitions (100GB even) and run
> into problems . hoping someone could share how they got large disk support
> working.. I'd be happy with several 1TB partitions but when I configure it
> this way and exceed 4 partitions it tells me disk error creating
Unfortunately, MBR and BSD disklabel use 32 bit values, so they are
limited to 2TB. GPT uses 64 bit values, but I don't believe that
FreeBSD fully supports it. You can see the Big Disk project page 
for more information.
As a workaround, you may wish redo your RAID configuration so that you
have multiple logical volumes (e.g. 2T, 2T, 0.5T).
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