February 12Feb 12 Hi all, I currently am running 6x14TB drives with two in parity. I recently bought two 28TB drives to add to my array. I'm looking to drop to one drive in parity and upgrade to having one of the two 28TB drives as the sole parity drive while repurposing the two 14TB drives currently in parity as data drives. Would the recommended steps be to disable parity2, then copy parity1 to one of the new 28TB drives? After checking parity I would clear the two 14TB drives and add the other new 28TB drive to the array.Is there a better way of doing this?Thanks!
February 12Feb 12 Community Expert Replace parity with larger drive, let it rebuild.Remove parity2If you assign drives to new data slots Unraid will clear them then you can format.
February 12Feb 12 Community Expert Do the steps in the order recommended by @trurl as this means your array is still protected by parity2 while you are rebuilding parity1 just in case a data disk has problems during the parity1 rebuild.Although it is not necessary to preclear any drives you might decide you want to (optionally) do this on the new 28TB drive to act as a confidence check before using it on the array. The old 14TB parity drives should not need this as they have (presumably) been running reliably as parity drives, and the Unraid Clear process is faster than doing a preclear.
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