Need Help Cloning a Drive

[Stephen]

Honestly I suggest clonezilla for this. It will get everything windows Linux
grub etc.
On Jul 17, 2011 7:48 AM, "Mark Phillips" <mark at phillipsmarketing.biz> wrote:
> I purchased a larger hard drive (~750 GB)) for my laptop and want to clone
> my current laptop drive (~320 GB) to the new one. The new drive is
connected
> to the laptop via usb - I can mount it and read/write to it. This is what
I
> did, but it didn't seem to work out...
>
> 1. Boot laptop using latest Knoppix
> 2. umount both /dev/sda(old drive, internal to laptop) and /dev/sdb (new
> drive connected via usb)
> 3. I was going to use dd, but read that dd_rescue is a little better (read
> error handling, reporting progress), so I installed that and fired it iup
>
> knoppix at Microknoppix:~$ sudo ddrescue -f -n /dev/sda /dev/sdb
>
>
> Press Ctrl-C to interrupt
> rescued: 320072 MB, errsize: 0 B, current rate: 29753 kB/s
> ipos: 320072 MB, errors: 0, average rate: 29513 kB/s
> opos: 320072 MB, time from last successful read: 0 s
> Finished
>
> 4. I thought, time to use gparted to expand the Linux partition for my new
> drive to the full size, and install the new drive.....but wait, there are
> problems!
>
> knoppix at Microknoppix:~$ fdisk -l
>
> Disk /dev/sda: 320.1 GB, 320072933376 bytes
> 255 heads, 63 sectors/track, 38913 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x81d6785f
>
> Device Boot Start End Blocks Id System
> /dev/sda1 1 5 40131 de Dell Utility
> /dev/sda2 * 6 1918 15360000 7 HPFS/NTFS
> /dev/sda3 1918 7017 40963092+ 7 HPFS/NTFS
> /dev/sda4 7018 38913 256204620 5 Extended
> /dev/sda5 * 7018 37615 245778403+ 83 Linux
> /dev/sda6 37616 38913 10426153+ 82 Linux swap / Solaris
> Note: sector size is 4096 (not 512)
> Warning: ignoring extra data in partition table 5
> Warning: ignoring extra data in partition table 5
> Warning: ignoring extra data in partition table 5
> Warning: invalid flag 0xbfbb of partition table 5 will be corrected by
> w(rite)
>
> Disk /dev/sdb: 750.2 GB, 750156374016 bytes
> 255 heads, 63 sectors/track, 11400 cylinders
> Units = cylinders of 16065 * 4096 = 65802240 bytes
> Sector size (logical/physical): 4096 bytes / 4096 bytes
> I/O size (minimum/optimal): 4096 bytes / 4096 bytes
> Disk identifier: 0x81d6785f
>
> Device Boot Start End Blocks Id System
> /dev/sdb1 1 5 321048 de Dell Utility
> Partition 1 does not start on physical sector boundary.
> /dev/sdb2 * 6 1918 122880000 7 HPFS/NTFS
> /dev/sdb3 1918 7017 327704740 7 HPFS/NTFS
> /dev/sdb4 7018 38913 2049636960 5 Extended
> Partition 4 does not start on physical sector boundary.
> /dev/sdb5 ? 82628 130208 3057478824 48 Unknown
> knoppix at Microknoppix:~$
>
> It appears that dd-rescue did what I expected it to do....copied sda to
sdb
> bit by bit. I am not sure what the warnings are for sda, but it looks like
> dd_rescue did what it was supposed to do. However, What do I do about the
> errors on sdb? GParted does not recognize the partition table for sdb, and
> reports 698 GB of unallocated space.
>
> Thanks for any suggestions you may have to solve/explain what is going on!
>
> Mark
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