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From: Matthias Schniedermeyer <ms@citd.de>
To: Christian Kujau <lists@nerdbynature.de>
Cc: Sean Elble <elbles@sessys.com>, xfs@oss.sgi.com
Subject: Re: Using xfsdump On Linux With IRIX Version 1 FS?
Date: Sat, 25 Jul 2009 09:26:17 +0200	[thread overview]
Message-ID: <20090725072617.GA30450@citd.de> (raw)
In-Reply-To: <alpine.DEB.2.01.0907242048000.6426@bogon.housecafe.de>

On 24.07.2009 20:53, Christian Kujau wrote:
> On Fri, 24 Jul 2009 at 15:13, Sean Elble wrote:
> > Yeah, that's probably what I'll do then.  I figure the disk will thrash for
> > a while during the search for a string in /etc/shadow, but hopefully it'll
> 
> Instead of working on the (old, slow) disk, you could just work on the 
> backup (located on faster disk, I presume), maybe even set up a 
> blockdevice for it:
> 
>   # losetup -r /dev/loop0 /path/to/IRIXbackup
>   # hexedit /dev/loop0 ...or whatever tool you'll be using.

Which has what advantage over directly changing the image?

And the old disc may be slow, but the relative speed (Speed in relation 
to total capacity) is much better than modern discs. IOW it only takes 
minutes to read/write it completly.

Some month ago i backed up some old HDDs (biggest was 4GB), it nearly 
took longer to switch on/off the computer and change the HDDs, than the 
actual time to copy the HDDs.
Even with just 10MB/s it's less than 4 Minutes for 2GB.
In comparison it takes over 3 hours to copy a modern 1TB HDD @ 80MB/s.






Bis denn

-- 
Real Programmers consider "what you see is what you get" to be just as 
bad a concept in Text Editors as it is in women. No, the Real Programmer
wants a "you asked for it, you got it" text editor -- complicated, 
cryptic, powerful, unforgiving, dangerous.

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  reply	other threads:[~2009-07-25  7:26 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-23 23:57 Using xfsdump On Linux With IRIX Version 1 FS? Sean Elble
2009-07-24  2:23 ` Eric Sandeen
2009-07-24  3:02   ` Sean Elble
2009-07-24  3:32   ` Sean Elble
2009-07-24  7:30     ` Matthias Schniedermeyer
2009-07-24 15:36       ` Sean Elble
2009-07-24 17:11         ` Matthias Schniedermeyer
2009-07-24 19:13           ` Sean Elble
2009-07-25  3:53             ` Christian Kujau
2009-07-25  7:26               ` Matthias Schniedermeyer [this message]
2009-07-25  9:46                 ` Christian Kujau
2009-07-25 10:22                   ` Matthias Schniedermeyer
2009-07-25 10:36                     ` Christian Kujau
2009-07-25 16:25                   ` Sean Elble
2009-07-26  0:24                   ` Sean Elble
2009-07-24  8:23     ` Andi Kleen

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