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Groups > comp.os.linux.misc > #29305
| From | The Natural Philosopher <tnp@invalid.invalid> |
|---|---|
| Newsgroups | comp.os.linux.misc |
| Subject | Re: How long should a dd take |
| Date | 2020-03-24 16:37 +0000 |
| Organization | A little, after lunch |
| Message-ID | <r5dcvp$4nk$1@dont-email.me> (permalink) |
| References | <r5crp4$mn1$1@dont-email.me> <n3apkg-d36.ln1@Telcontar.valinor> |
On 24/03/2020 12:13, Carlos E.R. wrote: > On 24/03/2020 12.43, The Natural Philosopher wrote: >> >> >> I have a 1TB internal disk which is full and also showing a rather >> high error rate. >> >> I have ordered a new disk to replace it of 4TB capacity. >> >> >> It contains backup data so its non essential mostly >> >> Yesterday I started to dd it in its entirety to a USB connected 1TB >> drive. >> >> as in >> >> dd if=/dev/sdb of=/dev/sdc > > Without a buffer it will be terribly slow. Add "bs=16M" or so. > > You can add "status=progress", and in the case of USB sticks I add > "oflag=direct" or the entire system ecomes slow. > >> Since I wasn't concerned about optimising for speed. However 15 hours >> later dd is still running! >> >> >> Is this reasonable or is something actually wrong? > > If the source disk is damaged (has errors), it will even be slower or > worse, fail. It is better to use ddrescue instead. > > And if you are using usb2, it is slow. > > > 24 hours and still chugging. No errors on the logs... I may restart it... -- There is nothing a fleet of dispatchable nuclear power plants cannot do that cannot be done worse and more expensively and with higher carbon emissions and more adverse environmental impact by adding intermittent renewable energy.
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How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-24 11:43 +0000
Re: How long should a dd take "Carlos E.R." <robin_listas@es.invalid> - 2020-03-24 13:13 +0100
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-24 16:37 +0000
Re: How long should a dd take Robert Heller <heller@deepsoft.com> - 2020-03-24 12:25 -0500
Re: How long should a dd take Eli the Bearded <*@eli.users.panix.com> - 2020-03-24 18:12 +0000
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-25 04:05 +0000
Re: How long should a dd take "Carlos E.R." <robin_listas@es.invalid> - 2020-03-25 21:25 +0100
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-26 12:25 +0000
Re: How long should a dd take "Carlos E.R." <robin_listas@es.invalid> - 2020-03-26 13:52 +0100
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-26 15:43 +0000
Re: How long should a dd take Rich <rich@example.invalid> - 2020-03-26 15:55 +0000
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-26 18:36 +0000
Re: How long should a dd take Rich <rich@example.invalid> - 2020-03-26 18:53 +0000
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-27 08:09 +0000
Re: How long should a dd take Rich <rich@example.invalid> - 2020-03-27 10:00 +0000
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-27 10:15 +0000
Re: How long should a dd take Rich <rich@example.invalid> - 2020-03-27 15:58 +0000
Re: How long should a dd take Jean-David Beyer <jeandavid8@verizon.net> - 2020-03-27 13:43 -0400
Re: How long should a dd take Roger Blake <rogblake@iname.invalid> - 2020-03-27 22:45 +0000
Re: How long should a dd take ant@zimage.comANT (Ant) - 2020-03-28 17:00 -0500
Re: How long should a dd take "Carlos E.R." <robin_listas@es.invalid> - 2020-03-27 14:11 +0100
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-27 13:49 +0000
Re: How long should a dd take Rich <rich@example.invalid> - 2020-03-27 17:44 +0000
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-27 18:31 +0000
Re: How long should a dd take Rich <rich@example.invalid> - 2020-03-27 19:58 +0000
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-27 20:14 +0000
Re: How long should a dd take Robert Heller <heller@deepsoft.com> - 2020-03-27 15:13 -0500
Re: How long should a dd take "Carlos E.R." <robin_listas@es.invalid> - 2020-03-27 21:47 +0100
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-28 05:30 +0000
Re: How long should a dd take Robert Heller <heller@deepsoft.com> - 2020-03-28 07:33 -0500
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-28 13:41 +0000
Re: How long should a dd take Robert Heller <heller@deepsoft.com> - 2020-03-28 09:47 -0500
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-28 17:48 +0000
Re: How long should a dd take Robert Heller <heller@deepsoft.com> - 2020-03-28 14:27 -0500
Re: How long should a dd take "Carlos E.R." <robin_listas@es.invalid> - 2020-03-28 22:22 +0100
Re: How long should a dd take The Natural Philosopher <tnp@invalid.invalid> - 2020-03-29 06:41 +0100
Re: How long should a dd take Jean-David Beyer <jeandavid8@verizon.net> - 2020-03-27 17:02 -0400
Re: How long should a dd take Rich <rich@example.invalid> - 2020-03-27 21:12 +0000
Re: How long should a dd take Robert Heller <heller@deepsoft.com> - 2020-03-27 20:35 -0500
Re: How long should a dd take Jean-David Beyer <jeandavid8@verizon.net> - 2020-03-27 21:35 -0400
Re: How long should a dd take Robert Heller <heller@deepsoft.com> - 2020-03-27 20:35 -0500
Re: How long should a dd take "Carlos E.R." <robin_listas@es.invalid> - 2020-03-26 22:03 +0100
Re: How long should a dd take "Anonymous Remailer (austria)" <mixmaster@remailer.privacy.at> - 2020-03-27 16:01 +0100
Re: How long should a dd take Roger Blake <rogblake@iname.invalid> - 2020-03-24 19:59 +0000
Re: How long should a dd take Marc Haber <mh+usenetspam1118@zugschl.us> - 2020-03-24 13:22 +0100
Re: How long should a dd take Robert Heller <heller@deepsoft.com> - 2020-03-24 08:21 -0500
Re: How long should a dd take Jean-David Beyer <jeandavid8@verizon.net> - 2020-03-24 14:22 -0400
Re: How long should a dd take "Carlos E.R." <robin_listas@es.invalid> - 2020-03-24 21:46 +0100
Re: How long should a dd take Jean-David Beyer <jeandavid8@verizon.net> - 2020-03-24 17:09 -0400
Re: How long should a dd take "Carlos E.R." <robin_listas@es.invalid> - 2020-03-25 01:20 +0100
Re: How long should a dd take Jean-David Beyer <jeandavid8@verizon.net> - 2020-03-24 22:06 -0400
Re: How long should a dd take Robert Heller <heller@deepsoft.com> - 2020-03-24 16:38 -0500
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