Command which does not work anymore?

perryh at perryh at
Tue Dec 6 03:40:18 UTC 2011

Dan Nelson <dnelson at> wrote:

> dd with a bs= option tells dd to use read() syscalls with a 10mb
> size, but ssh is going to feed it data in much smaller chunks ...
> Try using a smaller blocksize (8k or 4k), or use a buffering
> program like ports/misc/team or misc/buffer just in front of your
> dd command, so that dd always sees block-sized writes from its
> stdin stream.

or specify something along the lines of "obs=126b" instead of "bs=",
so that dd will reblock the data itself.

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