When this pool was setup, it was with a different controller that didn't support > 2TB / disk. When the controller was replaced, the pool is still set for ashift=9, but if I try to replace a disk in it with another disk of exactly the same model I get the annoying error:

root@x4275-3-15-22:/root# zpool replace zpool1 c0t5000CCA22BC8F4C2d0 c0t5000CCA3DE1719Fd0 cannot replace c0t5000CCA22BC8F4C2d0 with c0t5000CCA23DE1719Fd0: devices have different sector alignment

I know there's a -o ashift=9 option for Linux. Is there some sort of equivalent action that I can take, perhaps upgrading the existing zpool without having to recreate it?

Thanks

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