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

[Spam]

> Hi,

> OK, currently dd (or better dd_rescue) is at work. What have I to do after
> the dd?

  Nothing. The drives will be identical to LVM so you should remove
  the faulty drive and then everything should be normal. :) Do not run
  any restore/backup commands.

> vgexport the VG, and then vgimport with the new device? Or do I use
> a "vgcfgrestore" and "vgcfgbackup" also?

> Greetings Tobias


> On 06/11/03 13:20, Rickard Olsson wrote:
>> Tobias Wagener wrote:
>> 
>> > 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?
>> 
>> Heinz told me:
>> "You need to dd starting from the first physical extent (use pvdata -PP
>> on the old one and look for pe_on_disk.base) to the same offset on the
>> new disk (skip and seek dd option) and you want dd to continue after
>> read errors (noerror option)."
>> 
>> Also, I was recently told about the dd_rescue utility, but I haven't had
>> the misfortune/opportunity to try that one yet.
>> 
>>     / Rickard Olsson,IT-Konsult/
>>    / Telefon: +46 70 635 01 42/
>>   / http://www.webhackande.se/
>> 
>> 
>> _______________________________________________
>> linux-lvm mailing list
>> linux-lvm at sistina.com
>> http://lists.sistina.com/mailman/listinfo/linux-lvm
>> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

> _______________________________________________
> linux-lvm mailing list
> linux-lvm at sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/