DD not working--SUCCESS!
Les Mikesell
lesmikesell at gmail.com
Fri Aug 31 17:50:42 UTC 2007
Mikkel L. Ellertson wrote:
> dd should not use lots of CPU time. The bottleneck is disk access
> speed. Depending on the drivers used, and some tweaking, the system
> may be spending a lot of time in the disk driver routines doing
> basically nothing.
CPU use will depend on your disk controller. IDE controllers have a lot
of CPU overhead for seeks/positioning even if DMA is used for the data
transfer - that's why people still use SCSI for busy servers.
--
Les Mikesell
lesmikesell at gmail.com
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