rsync cloning error

I've ubuntu desktop 10.04 running and is installed on a 80 HD of IDE interface. I've newly added a 250GB HD of SATA interface. I'm using rsync to completely copy root directory '/' to the newly added 250GB HD. I mounted the new disk and used the following command:

rsync -avPD --exclude 'mnt' / /mnt

In the middle of the process I'm getting the error like the below:
 
s    0:00:01 (xfer#48087, to-check=1027/71960)
rsync: read errors mapping "/sys/devices/pci0000:00/0000:00:00.0/class": No data available (61)
sys/devices/pci0000:00/0000:00:00.0/config
         256 100%    0.25kB/s    0:00:01 (xfer#48088, to-check=1026/71960)
sys/devices/pci0000:00/0000:00:00.0/device
        4096 100%    3.97kB/s    0:00:01 (xfer#48089, to-check=1025/71960)
rsync: read errors mapping "/sys/devices/pci0000:00/0000:00:00.0/device": No data available (61)
sys/devices/pci0000:00/0000:00:00.0/enable
        4096 100%    3.89kB/s    0:00:01 (xfer#48090, to-check=1024/71960)
rsync: read errors mapping "/sys/devices/pci0000:00/0000:00:00.0/enable": No data available (61)
sys/devices/pci0000:00/0000:00:00.0/firmware_node -> ../../LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0C02:02
sys/devices/pci0000:00/0000:00:00.0/irq
        4096 100%    3.89kB/s    0:00:01 (xfer#48091, to-check=1022/71960)
rsync: read errors mapping "/sys/devices/pci0000:00/0000:00:00.0/irq": No data available (61)
sys/devices/pci0000:00/0000:00:00.0/local_cpulist
        4096 100%    3.89kB/s    0:00:01 (xfer#48092, to-check=1021/71960)
rsync: read errors mapping "/sys/devices/pci0000:00/0000:00:00.0/local_cpulist": No data available (61)
sys/devices/pci0000:00/0000:00:00.0/local_cpus
        4096 100%    3.89kB/s    0:00:01 (xfer#48093, to-check=1020/71960)
rsync: read errors mapping "/sys/devices/pci0000:00/0000:00:00.0/local_cpus": No data available (61)
sys/devices/pci0000:00/0000:00:00.0/modalias
        4096 100%    3.89kB/s    0:00:01 (xfer#48094, to-check=1019/71960)
rsync: read errors mapping "/sys/devices/pci0000:00/0000:00:00.0/modalias": No data available (61)
sys/devices/pci0000:00/0000:00:00.0/msi_bus
        4096 100%    3.89kB/s    0:00:01 (xfer#48095, to-check=1018/71960)
rsync: read errors mapping "/sys/devices/pci0000:00/0000:00:00.0/msi_bus": No data available (61)

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And the entire process ends with the follwing error:

sent 6934616308 bytes  received 3786140 bytes  5727117.17 bytes/sec
total size is 6083618857  speedup is 0.88
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1060) [sender=3.0.7]

When I try to boot the machine with the new HD(250GB), I'm getting the following error:

error : no such partition
grub rescue>

I'm not using dd/ddrescue or any other tool because in my office rsync is being used over wan links between a cloud and backup server. So I'm practising this at my home computer. Need help...
Thyagaraj03Asked:
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jackiechen858Connect With a Mentor Commented:
that's not the right way to clone a hd.  a bootable hardrive has hidden booting section which won't be copied by rsync.

Try some software like ghost or other harddrive clone tool.

You will need to burn a bootable cd with the tool, boot with it, the clone the harddrive.


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Thyagaraj03Author Commented:
I can clone with other tools but I couldn't do with rsync.
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jackiechen858Connect With a Mentor Commented:
because rsync is not designed for this purpose. it's only for file level synchronization, not file system level.
 
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Thyagaraj03Author Commented:
Oh.. ok!
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Thyagaraj03Author Commented:
Could it be stopped generating error messages by any way?
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jackiechen858Connect With a Mentor Commented:
you can put --exclude=/proc/ --exclude=/sys/ to exclude those folders. Those folders's files are auto generated when you boot the system, they shouldn't be copied.  But even without the error, the new HD won't boot anyway.
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Thyagaraj03Author Commented:
I'm not excluding proc, sys, dev because I'll sync it later on the same machine with same hardware config.
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maxalarieConnect With a Mentor Commented:
Yui can use CloneZilla. This is what I use.. Very effective. I had problems with Norton Ghost. My images were not always working.

Download the cloneZilla Live CD here: http://clonezilla.org/clonezilla-live/

Burn the iso, boot with it.

You can copy disks, to images, partitions to images, etc.. very straight forward.
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Thyagaraj03Author Commented:
I'm not using dd/ddrescue, clonezilla or any other tool because in my office rsync is being used over wan links between a cloud and backup server. So I'm practising this at my home computer. Need help...
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maxalarieConnect With a Mentor Commented:
You can clone over lan with clonezilla.  But you'll need to install  the clonezilla  server..  rsync is  not the best tool to use if you want to clone an hdd.
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Thyagaraj03Author Commented:
Ok, on the lan I could do. How do I do for cloud servers over wan links which don't even have direct access to it.
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