umass performance

[Olivier Nicole]

> I'm using dd to clone an 8GB USB memory into an identical one.
> 
> 
> 
> # dd if=/dev/da2 of=/dev/da1
> load: 0.01  cmd: dd 12026 [physwr] 0.00u 0.01s 0% 904k
> 396+0 records in
> 395+0 records out
> 202240 bytes transferred in 1.453741 secs (139117 bytes/sec)
> 15925248+0 records in
> 15925248+0 records out
> 8153726976 bytes transferred in 31722.194052 secs (257035 bytes/sec)
> 
> 
> As you can see the process is VERY slow, taking nearly 9 hours.
> Anything to try?

Maybe it has something to do with the block size?

Olivier