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I am considering upgrading my 300GB Saas drives to 450GB drives. &nbsp;Can I hot swap these one at a time, should I buy an additional shelf, migrate the data and swap them that way? &nbsp;Basically I am looking for the most cost efficient method to do this swap. &nbsp;All ideas welcome. 
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I am considering upgrading my 300GB Saas drives to 450GB drives.  Can I hot swap these one at a time, should I buy an additional shelf, migrate the data and swap them that way?  Basically I am looking for the most cost efficient method to do this swap.  All ideas welcome. 

netapp drive upgrade

Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. In addition to local storage devices like CD and DVD readers, hard drives and flash drives, solid state drives can hold enormous amounts of data in a very small device. Cloud services and other new forms of remote storage also add to the capacity of devices and their ability to access more data without building additional data storage into a device.