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Date:      Fri, 27 Aug 2010 14:17:27 +0200
From:      Matthias Apitz <guru@unixarea.de>
To:        freebsd-questions@freebsd.org
Subject:   Re: installing FreeBSD in VMWare-player
Message-ID:  <20100827121727.GA4224@current.Sisis.de>
In-Reply-To: <4C778001.3030809@otenet.gr>
References:  <20100823070819.GB2539@current.Sisis.de> <4C7241C2.2000305@otenet.gr> <20100823112621.GA4367@current.Sisis.de> <4C725BFC.90006@otenet.gr> <20100824084225.GA2160@current.Sisis.de> <4C739A78.4070303@otenet.gr> <20100827072416.GA2516@current.Sisis.de> <4C778001.3030809@otenet.gr>

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El día Friday, August 27, 2010 a las 12:06:09PM +0300, Manolis Kiagias escribió:

>  On 27/08/2010 10:24 ??.??., Matthias Apitz wrote:
> >
> > Is it possible that the data gets corrupt on an USB key after some time?
> > I'm wondering why the system even is intact to be booted from...
> >
> > Will prepare the key again or just fill in the dumps I have...
> >
> > 	matthias
> >
> 
> I've heard of stories of data 'fading out' from USB flash drives after
> some period of complete inactivity.
> Haven't experienced this myself though. Otherwise your procedure looks
> fine and it shouldn't fail.

A dump of the key gives several error messages:

# dump -0au -f usb8.dmp /dev/da0s1a
  DUMP: Date of this level 0 dump: Fri Aug 27 14:06:04 2010
  DUMP: Date of last level 0 dump: the epoch
  DUMP: Dumping /dev/da0s1a to usb8.dmp
  DUMP: mapping (Pass I) [regular files]
  DUMP: mapping (Pass II) [directories]
  DUMP: estimated 3980686 tape blocks.
  DUMP: dumping (Pass III) [directories]
  DUMP: dumping (Pass IV) [regular files]
  DUMP: 52.81% done, finished in 0:04 at Fri Aug 27 14:15:35 2010
  DUMP:   DUMP: read error from /dev/da0s1a: Input/output error: [block
4992928]: count=8192
read error from /dev/da0s1a: Input/output error: [block 4992870]:
count=10240
  DUMP: read error from /dev/da0s1a: Input/output error: [block
4992896]: count=7168
  DUMP:   DUMP: read error from /dev/da0s1a: Input/output error: [sector
4992928]: count=512
  DUMP: read error from /dev/da0s1a: Input/output error: [sector
4992870]: count=512
read error from /dev/da0s1a: Input/output error: [sector 4992896]:
count=512
  DUMP:   DUMP: read error from /dev/da0s1a: Input/output error: [sector
4992899]: count=512
  DUMP: read error from /dev/da0s1a: Input/output error: [sector
4992931]: count=512
read error from /dev/da0s1a: Input/output error: [sector 4992873]:
count=512
  DUMP:   DUMP: read error from /dev/da0s1a: Input/output error: [block
5032906]: count=10240
read error from /dev/da0s1a: Input/output error: [block 5032928]:
count=9216
  DUMP: read error from /dev/da0s1a: Input/output error: [block
5032946]: count=7168

I will re-create the key or even use another media;

	matthias

-- 
Matthias Apitz
t +49-89-61308 351 - f +49-89-61308 399 - m +49-170-4527211
e <guru@unixarea.de> - w http://www.unixarea.de/
Solidarity with the zionistic pirates of Israel?   Not in my  name!
¿Solidaridad con los piratas sionistas de Israel? ¡No en mi nombre!



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