OT: Mirroring via disk image file

From: Marty (martyb_at_ix.netcom.com)
Date: 10/30/05

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    Date: Sun, 30 Oct 2005 15:15:56 -0500
To: debian list <debian-user@lists.debian.org>

    I plan to mirror then replace a hard drive, using an identical model drive.

    Instead of a device-device copy e.g. "cp /dev/hda /dev/hdb" I hope to do
    "cp <old drive> image" followed by cp image <new drive>" where "image" is
    a disk image file of the original drive.

    Will the physical sector arrangment be preserved using the intermediate image
    file, or is that only possible with the device-device copy? I'm asking here
    because don't have the identical drives available to test my theory beforehand. 

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