Re: Block sizes for dd(1) to USB memory sticks (flash drives) for installers for FreeBSD

From: Wojciech Puchar <wojtek_at_puchar.net>
Date: Wed, 05 Oct 2022 13:43:31 UTC
unless you have
options         MAXPHYS=4194304


like i do

On Wed, 5 Oct 2022, Pau Amma wrote:

> On 2022-10-03 08:26, Wojciech Puchar wrote:
>>> <https://www.freebsd.org/releases/13.1R/announce/#_availability> and 
>>> elsewhere:
>>> 
>>> bs=1m
>>> 
>>> Why so small?
>> I've just checked. 128kB, 1MB and 4MB makes no noticable difference
>
> I remember someone in #freebsd (memory says debdrup) saying 128K is the 
> largest amount FreeBSD will write to a file or device as a single unit.
>
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