On Wed, Jan 07, 2004 at 06:05:47PM +0100, Hendrik Hasenbein wrote:
> Francisco Reyes wrote:
> >Other than speed is there any consideration about the buffer size?
> I assume you are referring to the 'bs=2048' argument to dd.
> The argument 'bs=2048' sets the block size to be used for the device.
> You can't use another value for cdrom drives than 2048 except you are 
> able to change the blocksize on the drive. Some can be jumpered for 512 
> per block, but there is no need to do that. If you use another value for 
> bs the operation will fail on a cdrom drive.

Well, you can use a bs value that is a multiple of 2048 (like the 64k in my
previous example).  Using a larger block size will generally speed up the
transfer, up to a point.


Scott Mitchell           | PGP Key ID | "Eagles may soar, but weasels
Cambridge, England       | 0x54B171B9 |  don't get sucked into jet engines"
scott at fishballoon.org | 0xAA775B8B |      -- Anon
[EMAIL PROTECTED] mailing list
To unsubscribe, send any mail to "[EMAIL PROTECTED]"

Reply via email to