Aaron Cossey wrote at about 14:13:26 +0200 on Tuesday, July 23, 2013:
 > Sorry but all those pipes are going to slow the transfer
> needlessly.

While I too use SIGINFO, I doubt the extra pv pipe will slow anything
down given that disk read/write is by FAR the rate limiting step...

 >  To see
 > the progress of a running dd process, just send it SIGINFO :
 > 
 > dd if=/dev/sdb1 of=/dev/sdc1 bs=1M & ddpid=$!
 > kill -USR1 $ddpid
 > 
 > Aaron Cossey
 > aaron.cossey AT gmail DOT com
 > 
 > 
 > On Tue, Jul 23, 2013 at 11:07 AM, Tyler J. Wagner <tyler AT tolaris DOT com> 
 > wrote:
 > 
 > > On 2013-07-23 10:02, Tyler J. Wagner wrote:
 > > > dd if=/dev/sdb1 of=/dev/sdc1 bs=1M
 > >
 > > For those not familiar with dd, it doesn't display progress when working.
 > > And dd'ing a 2 TB drive can take a long time. If you want progress, use
 > > this:
 > >
 > > dd dd if=/dev/sdb1 bs=1M | pv | dd of=/dev/sdc1 bs=1M
 > >
 > > pv is great.
 > >
 > > Tyler
 > >
 > > --
 > > "In all life one should comfort the afflicted, but verily, also, one
 > > should afflict the comfortable, and especially when they are comfortably,
 > > contentedly, even happily wrong."
 > >    -- John Kenneth Galbraith
 > >
 > >
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