| 1 |
On Sat, 17 May 2014 14:44:04 +0100, Stroller wrote: |
| 2 |
|
| 3 |
> > a) Unlike other commands, pv will give you a progress bar so that you |
| 4 |
> > know how long your back up is taking. |
| 5 |
> |
| 6 |
> I've been using ddrescue recently - by default it seems to be faster |
| 7 |
> than plain old regular dd. |
| 8 |
> |
| 9 |
> I assume it must be possible to adjust the parameters (blocksize?) to |
| 10 |
> speed dd up, but I just want to run the command and not have to bother |
| 11 |
> tinkering. |
| 12 |
|
| 13 |
Use the bs option. The default is 512, which is incredibly slow, bs=4k |
| 14 |
makes a substantial difference. However, I usually use dcfldd these days, |
| 15 |
whch works out the best block size to use and adds progress reporting. |
| 16 |
|
| 17 |
|
| 18 |
-- |
| 19 |
Neil Bothwick |
| 20 |
|
| 21 |
Never underestimate the bandwidth of a station wagon full of tapes! |
Archives