Open-E: Creating A Volume Group
After a RAID array is created, you're able to form one or more volume groups on it. One of the advantages that a volume group offers is the ability to dynamically expand or shrink down the road, as capacity needs change. Furthermore, a volume can be replicated to another storage device over a WAN, for example, or used as a WORM (write once read many) volume for data archiving. WORM volumes are particularly useful for archiving, a task that goes hand-in-hand with the target audience for this appliance.
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