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On Mon, Oct 08, 2007 at 11:17:40AM +0200, Beso wrote: |
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> does this work from hd to external usb disk? |
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dd will not work between disparate media. It is even |
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risky between different (capacity, manufacturer) drives. |
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If by "this" you mean the latter stategy involving |
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sfdisk/rsync/grub the sfdisk step will mostly not work |
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between disparate media. |
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> 2007/10/7, Brian Litzinger <brian@××××××××××××.com>: |
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> > |
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> > On Sun, Oct 07, 2007 at 12:49:11AM -0400, Peter Davoust wrote: |
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> > > This may be a little noobish, and it may have been said, but can't you |
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> > > just install the new drive, partition it identically to the original |
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> > > drive and then... |
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> > > |
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> > > dd if=/dev/hda1 of=/dev/hdb1 |
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> > > dd if=/dev/hda2 of=/dev/hdb2 |
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> > > |
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> > > so on and so forth until you've got everything copied? Or event just |
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> > > |
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> > > dd if=/dev/hda of=/dev/hdb |
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> > > |
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> > > Wouldn't that work? |
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> > |
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> > The latter works fine in my experience. I do it regularly. |
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> > |
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> > The downside, is that cloning a 750GB drive takes a while |
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> > as it duplicates everything including unused sectors. |
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> > |
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> > Things like clonezilla just copy the "used"/active sectors. |
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> > |
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> > A popular way is to use sfdisk. I do not remember the exact |
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> > syntax, but a pair of sfdisk commands can transfer the partition |
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> > information directly between two drives. |
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> > |
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> > Then use rsync to move the data across. |
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> > |
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> > You may have to run grub setup on the new disk too. |
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> > |
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> > -- |
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> > Brian Litzinger |
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-- |
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