Question : IBM DS3400 add hard-drive to existing LUN

I have a DS3400 configured with 3 Arrays. One of our network shares are reaching copacity.  I have added an additional harddrive to the second Array and it shows as free capacity. Is there a way to add the additional space to an existing LUN without losing the data? In other words, combine LUN 2 with Free Capacity into a single LUN?

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Answer : IBM DS3400 add hard-drive to existing LUN

http://telnet25.wordpress.com/2010/01/05/mailbox-move-error-exchange-2010/