Re: How long should a dd take

From	"Carlos E.R." <robin_listas@es.invalid>
Newsgroups	comp.os.linux.misc
Subject	Re: How long should a dd take
Date	2020-03-27 14:11 +0100
Message-ID	<ika1lg-qnt.ln1@Telcontar.valinor> (permalink)
References	(8 earlier) <r5iijp$8eu$1@dont-email.me> <r5ija3$b23$2@dont-email.me> <r5ismv$gnl$1@dont-email.me> <r5itni$nso$1@dont-email.me> <r5kcau$58k$3@dont-email.me>

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On 27/03/2020 09.09, The Natural Philosopher wrote:
> On 26/03/2020 18:53, Rich wrote:
>> The Natural Philosopher <tnp@invalid.invalid> wrote:
>>> On 26/03/2020 15:55, Rich wrote:
>>>> Carlos' suggestion of ddrescue was likely meant as a safety factor.
>>>> Should one of those recoverable errors have converted to unrecoverable
>>>> during your 'pv' read, you would not have a full copy of the disk now
>>>> (you would have only up to the first unrecoverable error if pv aborts
>>>> when it receives one, and it likely does abort).
>>> in which case yes some other way would have been necessary, but I didn't
>>> set out to replace the disk because of errors,but because it was FULL.
>>>
>>> I just noted that it was old and 'beginning to burn oil'
>>
>> Indeed you did.
>>
>> But the fact remains that an "old and 'beginning to burn oil'" engine
>> has a higher probability of failure at any given time than a "not so
>> old, and not yet buring oil" engine (excluding the new engine break-in
>> period).
>>
>> Carlos' suggestion was roughtly equivalent to carrying a toolbox and
>> extra couple quarts of oil in the trunk of the car with the "old and
>> 'beginning to burn oil'" engine in case the higher probability of
>> failure catches up with one while one is out driving around.
>>
> But I did not need to as time was not of the essence.

You were lucky this time. The drive could have failed in the middle of 
your "pv", and it would be too late to retry with another command.

-- 
Cheers, Carlos.

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Thread

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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