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Date:      Fri, 25 Aug 2006 12:38:30 -0600
From:      Scott Long <scottl@samsco.org>
To:        John Baldwin <jhb@freebsd.org>
Cc:        Julian Elischer <julian@elischer.org>, Dave Kingsley <david.kingsley@enc.edu>, freebsd-hardware@freebsd.org
Subject:   Re: sysinstall disklabel limit
Message-ID:  <44EF43A6.1050003@samsco.org>
In-Reply-To: <200608251353.20035.jhb@freebsd.org>
References:  <44EEE36E.1040201@enc.edu> <200608251353.20035.jhb@freebsd.org>

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John Baldwin wrote:
> On Friday 25 August 2006 07:47, Dave Kingsley wrote:
> 
>>I am attemping to use a RocketRAID 2224 8 channel card to set up a
>>storage server.  The server board is an Intel SE7230NH1-E with a P4-D
>>2.8GHz, 2GB RAM.
>>When I set up a RAID5 with 7 750GB drives I get nothing but wierdness.
>>Using sysinstall -> Configure -> Fdisk I can see the full size:
>>DISK Geometry:  547149 cyls/255 heads/63 sectors = 8789948685 sectors 
>>(4291967MB)
>>
>>But Label sees:
>>Disk: da0       Partition name: da0s1   Free: 200014030 blocks (97663MB)
>>
>>What am I doing wrong?  All of the drivers seem to installed; at least 
>>they say they are.
>>Is this just too big for FreeBSD?  I hope not!
> 
> 
> I think there are some patches to fix sysinstall, but it still tops out at 2TB 
> I thought.  cc'ing some folks who probably know better than I.
> 

Simply put, neither the fdisk nor the bsd partition schemes can address 
more than 2TB of storage.  This is inherent limitations to the formats.
Users who run into this are encouraged to either use a GPT for 
partitioning, or simply put the filesystem onto the storage without any
partitioning.

Scott




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