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From: David W. Hodgins on 11 Jun 2010 15:21
On Fri, 11 Jun 2010 05:37:11 -0400, Doug Freyburger <dfreybur(a)yahoo.com> wrote:

> I don't think this is a Qlogic driver problem because "fdisk -l
> /dev/sdl" sees the size and complains. It tells me to run parted
> instead just like I expect with a device over 2 TB. But that should not
> matter because it sees primary partition 1:
>
> WARNING: The size of this disk is 2.6 TB (2576980377600 bytes).
> DOS partition table format can not be used on drives for volumes
> larger than 2.2 TB (2199023255040 bytes). Use parted(1) and GUID
> partition table format (GPT).
>
> Disk /dev/sdl: 2576.9 GB, 2576980377600 bytes
> 255 heads, 63 sectors/track, 313300 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
> Device Boot Start End Blocks Id System
> /dev/sdl1 1 267349 2147480811 83 Linux
>
> So I see the LUN as a device. That suggests it is not a Qlogic driver
> problem. I see the partition table with fdisk. That suggests it is not
> a partitioning problem.

For a device using the GUID partition table format, the mbr should have
one fake entry of type EE, to protect the space from partitioning
tools that don't handle GUID.

See
http://en.wikipedia.org/wiki/GUID_Partition_Table#Legacy_MBR_.28LBA_0.29

Follow the warning to use parted, to see what is on the GUID partition
table.

Regards, Dave Hodgins

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