How to Upgrade SCSI SAS HDD - RAID-1 Config / PowerEdge 1950


I've PowerEdge 1950 server with 2 x 73GB SAS hard drives installed. The server (Terminal Server) is running on Windows Server 2003 R2 x64 edition. Out of 4 slots, I already used 2 slots for the storage. I created a Virtual Disk by using RAID-1 configuration. I used Dell OpenManage Server Administration tool for this purpose. I would like to upgrade the storage on each hard drive from 73GB to 146GB.

How can I upgrade both the hard drives while preserving the same RAID-1 configuration? I got this reply from one of the support person "The easiest way would be to backup the current configuration and restore it to bigger one. When talking about replacing HDDs in current RAID1, as you use mirror configuration it must mirror the small drive to new drive. But this often leaves you with unused block of space because mirroring takes place which is equal to smallest drive in pair".

Any further help would be greatly appreciated! Thanks.
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  1. What's wrong with what the tech said? Sounds right to me.

    I assume this data is important to you, and you don't want to take any shortcuts with it.
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