Help with a little dd damage!
brianchad at westnet.com.au
Wed Feb 27 23:36:50 UTC 2008
Ian Malone wrote:
> Brian Chadwick wrote:
>> Morgan Read wrote:
>>> [root at morgansmachine DiskBUImagesEtc]# dd if=/dev/sda
>>> of=2ndstage.rescue bs=1K count=1280
>>> 1280+0 records in
>>> 1280+0 records out
>>> 1310720 bytes (1.3 MB) copied, 0.0535238 s, 24.5 MB/s
>>> [root at morgansmachine DiskBUImagesEtc]# chown morgan: ./2ndstage.rescue
>>> [root at morgansmachine DiskBUImagesEtc]# dd if=zImage-LAB-20060421.htc
>>> 2348+0 records in
>>> 2348+0 records out
>>> 1202176 bytes (1.2 MB) copied, 0.117155 s, 10.3 MB/s
>>> [root at morgansmachine DiskBUImagesEtc]#
>>> So, fingers firmly crossed, have I managed to copy enough of my hard
>>> drive with the first two commands to be able to patch back the
>>> catastrophic damage I seem to have done with the last command.
>>> Could someone more confident than I give me some instruction:)
>> sorry ... dd is final ... it did what you said as a root user. dont
>> you love linux ... it does EXACTLY what you say when you are root.
> The point was Morgan has an accidental sort-of backup of the bit
> he dd-ed over.
he copied 1280 blocks .... then overwrote it with 2348 blocks ... the
damage is done
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