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Re: Disc Cloning, partitioning.

To: linux-xfs@xxxxxxxxxxx
Subject: Re: Disc Cloning, partitioning.
From: Derek Glidden <dglidden@xxxxxxxxxxxxxxx>
Date: 10 Jan 2002 18:40:14 -0500
In-reply-to: <1010703978.13205.3.camel@UberGeek>
References: <1010703521.982.4.camel@two> <1010703978.13205.3.camel@UberGeek>
Sender: owner-linux-xfs@xxxxxxxxxxx
We use systemimager here all day long.  It's bloody wonderful!  I'm
happy to hear you're getting XFS support in - I can stop mucking about
with getting it to work now.  :)

I was assuming though that he wanted to "image" a live system directly
to a backup disk, which I didn't think either of those tools would
handle directly.

On Thu, 2002-01-10 at 18:06, Austin Gonyou wrote:
> System Imager or System Congifurator may eventually support this. I've
> made patches for SI to enable XFS support. I use it often. Please see
> freshmeat for the link.
> 
> On Thu, 2002-01-10 at 16:58, Derek Glidden wrote:
> > On Thu, 2002-01-10 at 16:23, pac@xxxxxxxxxxxxxx wrote:
> > >  
> > > Is there a tool that I can use to grab the partition table from
> > > One disc and flash it on a Second disk? I didnt see anything like 
> > > that from gpart or partimage. 
> > > 
> > >  I basically want to be able to automatically clone an entire disk, 
> > > with all of the data, but not by using 'dd' or ghost. Hopefully 
> > > something that is smart enough to forget all the empty zeros.
> > 
> > sfdisk and rsync or dump/xfsdump.
> > 
> > You could probably script it by looking at /etc/fstab or
> > /proc/partitions or something, although disks with different geometries
> > will catch you.  If they're IDE, you run into situations where a lot of
> > systems, even with identical disks, can ID the geometry differently
> > depending on what controller they're plugged into and how the BIOS
> > settings are configured.
> > 
> > -- 
> > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> > #!/usr/bin/perl -w
> > $_='while(read+STDIN,$_,2048){$a=29;$b=73;$c=142;$t=255;@t=map
> > {$_%16or$t^=$c^=($m=(11,10,116,100,11,122,20,100)[$_/16%8])&110;
> > $t^=(72,@z=(64,72,$a^=12*($_%16-2?0:$m&17)),$b^=$_%64?12:0,@z)
> > [$_%8]}(16..271);if((@a=unx"C*",$_)[20]&48){$h=5;$_=unxb24,join
> > "",@b=map{xB8,unxb8,chr($_^$a[--$h+84])}@ARGV;s/...$/1$&/;$d=
> > unxV,xb25,$_;$e=256|(ord$b[4])<<9|ord$b[3];$d=$d>>8^($f=$t&($d
> > >>12^$d>>4^$d^$d/8))<<17,$e=$e>>8^($t&($g=($q=$e>>14&7^$e)^$q*
> > 8^$q<<6))<<9,$_=$t[$_]^(($h>>=8)+=$f+(~$g&$t))for@a[128..$#a]}
> > print+x"C*",@a}';s/x/pack+/g;eval 
> > 
> > usage: qrpff 153 2 8 105 225 < /mnt/dvd/VOB_FILENAME \
> >     | extract_mpeg2 | mpeg2dec - 
> > 
> >          http://www.cs.cmu.edu/~dst/DeCSS/Gallery/
> > http://www.eff.org/                   http://www.anti-dmca.org/
> -- 
> Austin Gonyou
> Systems Architect, CCNA
> Coremetrics, Inc.
> Phone: 512-698-7250
> email: austin@xxxxxxxxxxxxxxx
> 
> "It is the part of a good shepherd to shear his flock, not to skin it."
> Latin Proverb
-- 
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#!/usr/bin/perl -w
$_='while(read+STDIN,$_,2048){$a=29;$b=73;$c=142;$t=255;@t=map
{$_%16or$t^=$c^=($m=(11,10,116,100,11,122,20,100)[$_/16%8])&110;
$t^=(72,@z=(64,72,$a^=12*($_%16-2?0:$m&17)),$b^=$_%64?12:0,@z)
[$_%8]}(16..271);if((@a=unx"C*",$_)[20]&48){$h=5;$_=unxb24,join
"",@b=map{xB8,unxb8,chr($_^$a[--$h+84])}@ARGV;s/...$/1$&/;$d=
unxV,xb25,$_;$e=256|(ord$b[4])<<9|ord$b[3];$d=$d>>8^($f=$t&($d
>>12^$d>>4^$d^$d/8))<<17,$e=$e>>8^($t&($g=($q=$e>>14&7^$e)^$q*
8^$q<<6))<<9,$_=$t[$_]^(($h>>=8)+=$f+(~$g&$t))for@a[128..$#a]}
print+x"C*",@a}';s/x/pack+/g;eval 

usage: qrpff 153 2 8 105 225 < /mnt/dvd/VOB_FILENAME \
    | extract_mpeg2 | mpeg2dec - 

         http://www.cs.cmu.edu/~dst/DeCSS/Gallery/
http://www.eff.org/                   http://www.anti-dmca.org/


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