Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Reinhard Gimbel
Hello Bo, hello community !

Bo wrote / schrieb:

> I've just been lurking so far but
> I would be happy to recieve some help on the topic of how to clone an
> entire disk (with
> partitions and diferent filesystems and all) on a dual boot home systen.
> No servers or anything.

Unix command "dd" (= device dump) is your friend !

Assuming the disk to clone is connected to primary IDE channel as master
(=/dev/hda) and the target disk resides on primary IDE as slave
(=/dev/hdb) the command you need to issue looks like this:

dd if=/dev/hda of=/dev/hdb bs=128M

The option "bs" specifies a buffer of 128MB size. Otherwise "dd" would
copy blocks of 512 byte each ...

If you need more information:

man dd
info dd
dd --help

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Never give up !

Best regards / Gruß, Reinhard.

"Software is like a parachute. It doesn't work if it is not open."
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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Jan Engelhardt

On Jan 13 2007 13:02, Reinhard Gimbel wrote:
>
>Unix command "dd" (= device dump) is your friend !

No please use dd_rescue.


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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Reinhard Gimbel
Hello Jan, hello community !

Jan Engelhardt wrote / schrieb:

> On Jan 13 2007 13:02, Reinhard Gimbel wrote:
> 
>> Unix command "dd" (= device dump) is your friend !
> 
> No please use dd_rescue.

In case Bo's disk already has some problems you are right. But this
wasn't mentioned in his OP.

Furthermore "dd" always will be installed and "dd_rescue" needs to be
installed seperately (BTW as package "ddrescue")
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Never give up !

Best regards / Gruß, Reinhard.

"Software is like a parachute. It doesn't work if it is not open."
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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Jan Engelhardt

On Jan 13 2007 14:18, Reinhard Gimbel wrote:
>
>Furthermore "dd" always will be installed and "dd_rescue" needs to be
>installed seperately (BTW as package "ddrescue")

Smells like a missing feature, and a bug.


-`J'
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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Anders Johansson
On Saturday 13 January 2007 14:22, Jan Engelhardt wrote:
> On Jan 13 2007 14:18, Reinhard Gimbel wrote:
> >Furthermore "dd" always will be installed and "dd_rescue" needs to be
> >installed seperately (BTW as package "ddrescue")
>
> Smells like a missing feature, and a bug.

dd_rescue == dd for broken media. dd is used far more often, dd_rescue only 
when there's a problem, so it should be in the rescue system, but I don't 
think there's a great need for having it installed by default in the real 
system

But feel free to propose it

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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Mike McMullin
On Sat, 2007-01-13 at 13:02 +0100, Reinhard Gimbel wrote:
> Hello Bo, hello community !
> 
> Bo wrote / schrieb:
> 
> > I've just been lurking so far but
> > I would be happy to recieve some help on the topic of how to clone an
> > entire disk (with
> > partitions and diferent filesystems and all) on a dual boot home systen.
> > No servers or anything.
> 
> Unix command "dd" (= device dump) is your friend !
> 
> Assuming the disk to clone is connected to primary IDE channel as master
> (=/dev/hda) and the target disk resides on primary IDE as slave
> (=/dev/hdb) the command you need to issue looks like this:
> 
> dd if=/dev/hda of=/dev/hdb bs=128M
> 
> The option "bs" specifies a buffer of 128MB size. Otherwise "dd" would
> copy blocks of 512 byte each ...
> 
> If you need more information:
> 
> man dd
> info dd
> dd --help

  man rsync

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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Anders Johansson
On Saturday 13 January 2007 16:04, Mike McMullin wrote:
> > Bo wrote / schrieb:
> > > I've just been lurking so far but
> > > I would be happy to recieve some help on the topic of how to clone an
> > > entire disk (with
> > > partitions and diferent filesystems and all) on a dual boot home
 

[...]
>
>   man rsync

rsync can't handle copying a partition table, and it can't handle copying the 
actual file system. It's not a cloning tool

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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Carlos E. R.
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Hash: SHA1


The Saturday 2007-01-13 at 13:02 +0100, Reinhard Gimbel wrote:

> Bo wrote / schrieb:
> 
> > I've just been lurking so far but
> > I would be happy to recieve some help on the topic of how to clone an
> > entire disk (with
> > partitions and diferent filesystems and all) on a dual boot home systen.
> > No servers or anything.
> 
> Unix command "dd" (= device dump) is your friend !

Mmmm...

You need both disks to be of equal size for that to work. Everything will 
be cloned exactly bit for bit, even if wrong.

There are specific tools out there to clone disks and modifiying sizes and 
partitions as needed. One of the most known is Ghost (windows), but 
although it handles some linux types, it gives problems. There is a linux 
program (cd live?) but I don't recall the name.

- -- 
Cheers,
   Carlos E. R.

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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Jan Engelhardt

On Jan 13 2007 14:39, Anders Johansson wrote:
>
>dd_rescue == dd for broken media. dd is used far more often, dd_rescue only 
>when there's a problem, so it should be in the rescue system, but I don't 
>think there's a great need for having it installed by default in the real 
>system

dd_rescue has a statistics indicator to show you how far it has progressed so
far. For dd, you got to figure out its pid, and send it a SIGUSR1. Urgh.


-`J'
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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Greg Freemyer

On 1/13/07, Reinhard Gimbel <[EMAIL PROTECTED]> wrote:

Hello Bo, hello community !

Bo wrote / schrieb:

> I've just been lurking so far but
> I would be happy to recieve some help on the topic of how to clone an
> entire disk (with
> partitions and diferent filesystems and all) on a dual boot home systen.
> No servers or anything.

Unix command "dd" (= device dump) is your friend !

Assuming the disk to clone is connected to primary IDE channel as master
(=/dev/hda) and the target disk resides on primary IDE as slave
(=/dev/hdb) the command you need to issue looks like this:

dd if=/dev/hda of=/dev/hdb bs=128M

The option "bs" specifies a buffer of 128MB size. Otherwise "dd" would
copy blocks of 512 byte each ...



I agree with others, that a Ghost like program would be better than
dd, but if you're going to use dd to copy a whole disk, use the read
error options to continue past the occasional bad sector:

dd if=/dev/hda of=/dev/hdb bs=128M conv=noerror,sync

And bs=4k is big enough in my experience.  (And I do this a lot
including timing tests etc..)  If you're target is a tape, then you
want (need) a big blocksize like above, but be sure to label your disk
with the blocksize you used.  I've found that a lot of tapes can only
be read if you use the same blocksize as you wrote.

Greg
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Forensics for the 21st Century
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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Rami Michael

Another idea, if you need to backup across a network, is to use dd
with netcat (this assumes you are on a highspeed local network) it
worked beautifully.  Google it and you should see some easy articles
and howto's.



On 1/13/07, Greg Freemyer <[EMAIL PROTECTED]> wrote:

On 1/13/07, Reinhard Gimbel <[EMAIL PROTECTED]> wrote:
> Hello Bo, hello community !
>
> Bo wrote / schrieb:
>
> > I've just been lurking so far but
> > I would be happy to recieve some help on the topic of how to clone an
> > entire disk (with
> > partitions and diferent filesystems and all) on a dual boot home systen.
> > No servers or anything.
>
> Unix command "dd" (= device dump) is your friend !
>
> Assuming the disk to clone is connected to primary IDE channel as master
> (=/dev/hda) and the target disk resides on primary IDE as slave
> (=/dev/hdb) the command you need to issue looks like this:
>
> dd if=/dev/hda of=/dev/hdb bs=128M
>
> The option "bs" specifies a buffer of 128MB size. Otherwise "dd" would
> copy blocks of 512 byte each ...
>

I agree with others, that a Ghost like program would be better than
dd, but if you're going to use dd to copy a whole disk, use the read
error options to continue past the occasional bad sector:

dd if=/dev/hda of=/dev/hdb bs=128M conv=noerror,sync

And bs=4k is big enough in my experience.  (And I do this a lot
including timing tests etc..)  If you're target is a tape, then you
want (need) a big blocksize like above, but be sure to label your disk
with the blocksize you used.  I've found that a lot of tapes can only
be read if you use the same blocksize as you wrote.

Greg
--
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The Norcross Group
Forensics for the 21st Century
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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Brett I. Holcomb
One option is partimage (http://www.partimage.org/Main_Page).  Another is to 
use the built in dd command.  It depends on what you want.

On Saturday 13 January 2007 06:30, Bo wrote:
> Hi
>  I've just been lurking so far but
> I would be happy to recieve some help on the topic of how to clone an 
> entire disk (with
> partitions and diferent filesystems and all) on a dual boot home systen.
> No servers or anything.
>
> Thanks
>
> Bo

-- 

Brett I. Holcomb
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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Felix Miata
On 2007/01/13 12:30 (GMT+0100) Bo apparently typed:

>  I've just been lurking so far but
> I would be happy to recieve some help on the topic of how to clone an 
> entire disk (with
> partitions and diferent filesystems and all) on a dual boot home systen. 
> No servers or anything.

This is what I've been using for everything partition related for over 5
years: http://www.dfsee.com/dfsee/

Not free, but your money gets you free personalized support that is well
worth the money if you screw something up and need to recover.
-- 
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John 10:10 NIV

 Team OS/2 ** Reg. Linux User #211409

Felix Miata  ***  http://mrmazda.no-ip.com/
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Re: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Mike McMullin
On Sat, 2007-01-13 at 16:08 +0100, Anders Johansson wrote:
> On Saturday 13 January 2007 16:04, Mike McMullin wrote:
> > > Bo wrote / schrieb:
> > > > I've just been lurking so far but
> > > > I would be happy to recieve some help on the topic of how to clone an
> > > > entire disk (with
> > > > partitions and diferent filesystems and all) on a dual boot home
>  
> 
> [...]
> >
> >   man rsync
> 
> rsync can't handle copying a partition table, and it can't handle copying the 
> actual file system. It's not a cloning tool

  Oddly enough, that one limitation is why I suggested it.  The problem
with dd starting at the actual disk beginning, is, as you know, that it
will put the partition info on the new disk.  If the new disk happens to
be bigger, or different enough in geometry, then dd isn't a good choice.
I'm not suggesting that rsync is "the way" to do it.  I'm suggesting the
OP look into it as a method to use in achieving his goals.  I have yet
to copy info from one disk to another, without major differences on the
disks.

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RE: [opensuse] How to Clone a whole disk?

2007-01-13 Thread Greg Wallace
On Saturday, January 13, 2007 @ 2:10 PM, Felix Miata wrote:

>On 2007/01/13 12:30 (GMT+0100) Bo apparently typed:

>>  I've just been lurking so far but
>> I would be happy to recieve some help on the topic of how to clone an 
>> entire disk (with
>> partitions and diferent filesystems and all) on a dual boot home systen. 
>> No servers or anything.

>This is what I've been using for everything partition related for over 5
>years: http://www.dfsee.com/dfsee/

>Not free, but your money gets you free personalized support that is well
>worth the money if you screw something up and need to recover.
>-- 
>"I have come that they may have life, and have it to the full."
John 10:10 NIV

> Team OS/2 ** Reg. Linux User #211409

>Felix Miata  ***  http://mrmazda.no-ip.com/

As long as we're introducing non-freebies, here's what I use

http://www.storix.com/products_overview/desktop_edition.html

Follow the embedded links for details.  It only does Linux, but you can do
such things as add, remove, or re-size partitions, change file systems (e.
g., EXT3 to Reiser), split partitions into multiple file systems, load new
SCSI or device modules, etc., all while doing the restore.  For cloning,
you'd just back up on one box and restore on the other.  Excellent email
support.

Greg W


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Re: [opensuse] How to Clone a whole disk?

2007-01-14 Thread Hylton Conacher(ZR1HPC)

Bo wrote:

Hi
I've just been lurking so far but
I would be happy to recieve some help on the topic of how to clone an 
entire disk (with
partitions and diferent filesystems and all) on a dual boot home systen. 
No servers or anything.

You might want to investigate:
BackUp/Restore HDD and partitions - Ghost4Linux
http://www.howtoforge.com/back_up_restore_harddrives_partitions_with_ghost4linux

HTH
Hylton
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Using SuSE 9.2 Professional with KDE and Mozilla Mail 1.7.13
Linux user # 229959 at http://counter.li.org


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Re: [opensuse] How to Clone a whole disk?

2007-01-14 Thread Bruce Marshall
On Saturday 13 January 2007 22:39, Greg Wallace wrote:

>
> As long as we're introducing non-freebies, here's what I use
>
> http://www.storix.com/products_overview/desktop_edition.html

And here's what I use:

http://www.acronis.com/enterprise/products/diskdirectorsuite/

Handles all file systems except  XFS.  (including NTFS)

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