[OmniOS-discuss] changing sector size for pool

[Paul B. Henson]

Are you sure the replacement disk has the same physical sector size? It's not like vendors don't change specs on newer versions of the same model sometimes :(. What exactly is it? Is it by any chance one of those 4K drives with a jumper that controls whether or not it lies about the physical sector size?

> On Nov 20, 2015, at 8:44 PM, Doug Hughes <doug at will.to> wrote:
> 
> 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 at 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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