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The original Seagate ST3146855SS disk is running firmware 515, while the one I'm going to buy has a more recent firmware. All other features are the same (15K5, 146Gb)

Will the controller just rebuild the RAID once I replace that disk?

Dario
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  • To clarify what I think SmallLoan is saying below: Buy the disk and place it into the array and let the array rebuild. Then upgrade the firmware on the rest of your disks - hopefully your array will allow you to do this in-situ without removing the disks. – Mark Henderson Nov 04 '16 at 12:18

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Yes, it will rebuild. However, it is best to match the firmware on your drives so they behave consistently during things like SCSI reset.

Spooler
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