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Copying Device Files

Subject: Copying Device Files Author: fof3 Posted: 2006-07-02 12:48:58 Length: 718 byte(s)
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I have two scsi disks; exact in size and make. On sda there's a dual boot system - Windows XP, and Linux (debian). Windows is expanding; with 4G free space. I want to transfer Linux to sdb; and let Windows do its thing. I partitioned sdb, using Partition Magic; and I made the partition sizes a little greater than their corresponding ones on sda. I created the file system on sdb with KNOPPIX 4.0. I first tried "cp -pr /dev/sda2 /dev/sdb1" [sda1 is NTFS] and got "'/dev/sda2 ->' /dev/sdb1". If the copy command won't do it what will? I had tried dd in the past, and got the error that there was no more space left on the device.
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Subject: Copying Device Files Author: x86processor Posted: 2006-07-03 01:55:57 Length: 846 byte(s)
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[div class='quotetop']QUOTE[/div][div class='quotemain'] I first tried "cp -pr /dev/sda2 /dev/sdb1" [/quote] You are to copy the mount points, not the device files. For example, if /dev/sda2 is mounted in /mnt/hard-disk and /dev/sdb1 is mounted in /mnt/foobar, you will do: Code: br /]cp -pr /mnt/hard-disk /mnt/foobar [div class='quotetop']QUOTE[/div][div class='quotemain'] I had tried dd in the past, and got the error that there was no more space left on the device. [/quote] You didn't specify the size? Code: br /]dd if=/dev/sda2 of=/dev/sdb1 bs=1k count=3072 For bs=1k count=3072, the copy/disk size is 3 MB.
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