Re: block size: 512B configured, 4096B native all of a sudden

On 4/22/2024 11:37 AM, Dag-Erling Smørgrav wrote:
> mike tancsa <mike@sentex.net> writes:
>> I guess the next question is how can I fix the issue?  its over 73TB
>> and would take quite a long time to zfs send | zre recv.  The HDDs are
>> indeed 4K disks.  If I offline the 2 SSD disks that are part of the
>> special device one by one and resilver, will it fix it?
> No, the ashift is a vdev property.  You'll have to remove one disk from
> the pool, create a new pool, send | recv across, then destroy the old
> pool and add the remaining disk to the new pool.  Make sure you have a
> backup before you start.

I was afraid of that. So basically I have to copy the entire pool or 
live with the performance penalty :(  73TB is a lot to copy / move.

     ---Mike