[linux-lvm] Can I dd one disc of a lv

Koch, Steffen steffen.koch at sphinx-electronics.de
Thu Nov 6 07:52:01 UTC 2003

> I have 3 discs, two 180 GB and one 200 GB drive, every drive 
> is one Partion with a one PV which builds a 560 GB VG from that I 
> get a 500 GB LV.
> Now the 200 GB hdd is faulty. But I have no change to extend the 
> LV, because the Max LV Size is 512 GB. So pvmove isn't 
> possible. But I have another 200 GB Drive in my system. 
> Now the question: Can I "dd" the faulty 200 GB drive to the 
> new 200 GB drive? And if, how? Does "dd if=/dev/hde1 
> of=/dev/hdf1" the job, or what have I to do?
If they are of exact the same size (best would be the same drive) you can do
a "dd if=/dev/hde of=/dev/hdf" and then remove the faulty drive. Should


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