512e/4kn drive formatting

Alan Somers asomers at freebsd.org
Fri May 14 01:18:29 UTC 2021


Nope.  But why would you need to?  Most file systems understand physical
block size and will do the right thing.  You can even force ZFS to treat
all disks as having 4k sectors by setting vfs.zfs.min_auto_ashift=12.
-Alan

On Thu, May 13, 2021 at 5:53 PM joe mcguckin <joe at via.net> wrote:

> I notice most drive vendors supply  512e and  4Kn format drives. Is it
> possible to buy a 512e drive and use is as a 4kn drive
> or possibly  reformat to 4kn?  I’m specifically looking at the Seagate
> Exos drives...
>
> Thanks,
>
> Joe
>
> Joe McGuckin
> ViaNet Communications
>
> joe at via.net
> 650-207-0372 cell
> 650-213-1302 office
> 650-969-2124 fax
>
>
>
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