I'd like to ask which sizes are comfortable to use for reading
from different media using the dd utility. As far as I know,
these are good values:

        Format          Device (example)        bs=
        -------------   ---------------------   ----
        Data CD         /dev/acd0               2048
        Music CD        /dev/acd0t01            2352
        DVD             /dev/acd0               2048 (?)
        Hard disk       /dev/ad0s1g             1m (?)

The usual command is

        % dd if=/dev/see-above of=somefile.dd bs=whatever

What about copying partition-wise from a hard disk to a dd file?
Which bs= parameter would be encouraged to use?

>From Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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