Question : perc RAID re-config

I need to add some disk space to a RAID-5 on a Dell PE 2800 using PERC 4e/Di . The existing RAID consists of 4x300GB disks and is almost full with 840GB of data. I have 2 new 300GB disks that I wish to add to the array. Can I do this safely on the fly or should I take the server offline to do it? If I need to take the server offline, I need to minimise downtime. In this case, would it take much less time to add one disk than it would to add both?... ie does it take twice as long to add 2 disks than it does to add 1?

Thanks
John

Answer : perc RAID re-config

take the dim statement outside of the loop
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            Dim RandomClass As New Random()

For i = 0 To 10
            Dim r1 As Integer
            r1 = RandomClass.Next(1, 90)
            System.Diagnostics.Debug.Print(r1)
        Next
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