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On Sunday 15 May 2011 17:45:05 Adam Carter wrote: |
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> I'm cloning a windows disk using gentoo; |
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> |
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> On the old 66GB disk; |
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> # dd if=/dev/sdb of=/root/winmbr.bin bs=512 count=1 |
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> # dd if=/dev/sdb1 bs=10M | gzip -v > winpartition.gz |
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> |
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> Then after swapping in the new 500GB disk; |
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> dd if=/root/winmbr.bin of=/dev/sdb bs=512 count=1 |
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> # gunzip -c winpartition.gz | dd of=/dev/sdb1 bs=10M |
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> dd: writing `/dev/sdb1': No space left on device |
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> 0+306 records in |
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> 0+305 records out |
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> 10137600 bytes (10 MB) copied, 0.109885 s, 92.3 MB/s |
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> # fdisk -l /dev/sdb |
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> |
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> Disk /dev/sdb: 500.1 GB, 500107862016 bytes |
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> 255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors |
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> Units = sectors of 1 * 512 = 512 bytes |
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> Sector size (logical/physical): 512 bytes / 512 bytes |
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> I/O size (minimum/optimal): 512 bytes / 512 bytes |
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> Disk identifier: 0xe3f7e3f7 |
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> |
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> Device Boot Start End Blocks Id System |
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> /dev/sdb1 * 206848 117207039 58500096 7 HPFS/NTFS/exFAT |
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> |
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> Why is dd saying no space left after copying 10MB when sdb1 is 65GB? |
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Did you reboot after the first "dd"? |
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Or at least, force a re-read of the partition tables? |
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|
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Linux caches the partition tables and when overwriting the partition table, |
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strange things will happen. |
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-- |
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