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Re: [Xen-users] XCP: 4TB local storage

Thanks for the reply Denis.

I kinda figured that GPT is required.

So how does one install XCP with a GPT partion instead of an MBR partition?

On Monday, 09 May, 2011 06:16 PM, Denis Cardon wrote:
Hi Jessy,

4TB storage in RAID10

We installed XCP 1.0 and it was successful except that XCP only sees 2TB
of storage.
Output of df -h:
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 4.0G 1.5G 2.3G 39% /
none 380M 0 380M 0% /dev/shm

the df output just tells you the size of the dom0 system partition. The VM are stored on a lvm partition and you should use vgdisplay to see what you have there.

Output of fdisk -l:

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util
fdisk doesn't support GPT. Use GNU Parted.

fdisk cannot deal with GPT partition table (see warning above), and GPT is required for partition above 2GB. You should actually use gparted to look at such a partition table.



WARNING: The size of this disk is 4.0 TB (3997997989888 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/sda: 3997.9 GB, 3997997989888 bytes
255 heads, 63 sectors/track, 486062 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sda1 * 1 523 4194304 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 523 1045 4194304 83 Linux
/dev/sda3 1045 267218 2138039945+ 8e Linux LVM

Any idea on how this can be resolved? Thanks in advance.

Jessie Evangelista
Manager, Software Services
Apollo Technologies Inc

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