>
> if i use newfs -S 1024, i get the same error. Is FFS not capable of blocksizes
> other than 512?


FFS needs block size min 4096 and fragment size min 512

use -b 8192 -f 1024 for your 1024-byte sector media.

> I know, MO is not really intended to be a true direct-read/write access device,
> but maybe this problem is more generic.
> As a different test, i did mkisofs of some dirs on the device directly, with
> the success to be able to mount the partition as cd9660-fs without any
> problems.
>
> Is there a hack to use FFS (and maybe even CCD, which i didn't test for now)
> with blocksizes like 1024 or 2048, or is this a bug?
>
> ...Michael
>
> --
> http://www.bsdfans.org/    Home network powered by: NetBSD OpenBSD FreeBSD IRIX
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Instead of asking why a piece of software is using "1970s technology,"
start asking why software is ignoring 30 years of accumulated wisdom.