HighPoint RocketRAID 2740 - Manual (Page 58)

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4. The Web GUI will notify you when the process starts. A progress bar will be displayed under the Status
column of the Manage-Array menu.
5. After the expansion/migration process is complete, Disk Management should recognize the additional
capacity. You are free to create a second partition, or expand the existing partition.
Notes:

Bootable volumes should not be expanded beyond 2TB – Windows will not recognize the
additional capacity.

Older 32-bit versions of Windows (2000, XP) limit capacity to 2TB, unless the VSS option is used.
If the VSS option is not already enabled, do not use the OCE/ORLM function – the operating
system will not recognize the additional space. You will need to start from scratch – backup the
data on the current array and create a new array using the VSS option.
 Make sure to enable “GPT” when initializing/partitioning arrays for use with Windows 2003, Vista,
2008 and, using the Windows Disk Management utility. This feature supports volumes over 2TB
in size, and allows for future capacity upgrades.