Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.os.linux.misc > #13269

Re: More on corrupted disk data..

Path csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!news.swapon.de!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From Tim Watts <tw_usenet@dionic.net>
Newsgroups comp.os.linux.misc
Subject Re: More on corrupted disk data..
Date Mon, 05 Jan 2015 14:29:21 +0000
Lines 16
Message-ID <1njqnb-15h.ln1@squidward.dionic.net> (permalink)
References <m8e6sl$ec7$1@news.albasani.net>
Mime-Version 1.0
Content-Type text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding 7bit
X-Trace individual.net lBQDr6gpcu3iKE5O2rfoPgH15LbFYBGUG7fdUzJxCo4XrQfht+
X-Orig-Path squidward.dionic.net!not-for-mail
Cancel-Lock sha1:a2DWZXnDZ3jX9Ewu0W7O12JsxO0=
User-Agent Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0
In-Reply-To <m8e6sl$ec7$1@news.albasani.net>
Xref csiph.com comp.os.linux.misc:13269

Show key headers only | View raw

On 05/01/15 14:25, The Natural Philosopher wrote:
>
> The question of recovering damaged data have raised a question in my mind:
>
> What organisation of data has the most redundancy (apart from RAID) so
> the best chance of recovering significant chunks of it? it would seem
> that a zip or other compressed single backup file has to be the worst..??
>
>

Depends if the compression algorithm is block based. If so, then the 
loss of one block would take out 2, maybe 3 block of real data and the 
rest would be recoverable.

A compression scheme that could not resync beyond a broken block would 
be a very poor choice.

Back to comp.os.linux.misc | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

More on corrupted disk data.. The Natural Philosopher <tnp@invalid.invalid> - 2015-01-05 14:25 +0000
  Re: More on corrupted disk data.. Tim Watts <tw_usenet@dionic.net> - 2015-01-05 14:29 +0000
  Re: More on corrupted disk data.. Richard Kettlewell <rjk@greenend.org.uk> - 2015-01-05 15:01 +0000
  Re: More on corrupted disk data.. Robert Heller <heller@deepsoft.com> - 2015-01-05 09:35 -0600
    Re: More on corrupted disk data.. The Natural Philosopher <tnp@invalid.invalid> - 2015-01-05 15:46 +0000
      Re: More on corrupted disk data.. "John F" <j@j.ii> - 2015-01-08 13:25 -0800
        Re: More on corrupted disk data.. Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2015-01-08 14:09 -0800
          Re: More on corrupted disk data.. The Natural Philosopher <tnp@invalid.invalid> - 2015-01-08 23:35 +0000
          Re: More on corrupted disk data.. Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2015-01-08 16:05 -0800
            Re: More on corrupted disk data.. Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2015-01-08 20:01 -0800
              Re: More on corrupted disk data.. Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2015-01-08 20:51 -0800
                Re: More on corrupted disk data.. Bobbie Sellers <bliss-sf4ever@dslextreme.com> - 2015-01-08 21:38 -0800
                Re: More on corrupted disk data.. Keith Keller <kkeller-usenet@wombat.san-francisco.ca.us> - 2015-01-08 21:44 -0800
                Re: More on corrupted disk data.. The Natural Philosopher <tnp@invalid.invalid> - 2015-01-09 09:18 +0000

csiph-web