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Disk aggregation
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<p>Disk aggregation is the <a href="/facts/Abstraction_layer/EV8c84SY">abstraction</a> of two or more <a href="/facts/Hard_disk/kekLSGSE">hard disks</a>, <a href="/facts/Disk_partitioning/wrBk5RRS">disk partitions</a>, or other <a href="/facts/Volume_(computing)/g94wpmdC">logical volumes</a> into a single <a href="/facts/Logical_disk/UDeELzFr">logical disk</a>. </p><p>This is done to: </p> <ul><li>create a single logical disk with a capacity larger than any of the available physical disks</li> <li>provide a simple way to increase disk performance</li> <li>provide a simple way to implement <a href="/facts/Logical_unit_number/6FkUxbw6">LUN</a>-level <a href="/facts/Storage_virtualization/59AlfJSY">storage virtualization</a></li></ul>