Hi,

backuppc AT kosowsky DOT org wrote on 2013-07-23 09:01:09 -0400 [Re: 
[BackupPC-users] Move BackupPC "TopDir" To New Larger Hard Drive]:
> 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...

well, yes, but the pipes *do* mean data has to be copied around needlessly,
which does come at *some* cost (possibly CPU load).

My recommendation would be dd_rescue, which shows you progress, handles read
errors, has a less error prone command line syntax ...

Regards,
Holger

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