Re: md RAID and LVM recovery techniques.

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Robin Laing wrote:
Hello,

I know how to recover a single md drive but I am not sure how this works under LVM.

My situation is two drives for md0 (~130gig) and two for md1. This on FC4 so shouldn't make that much difference.

Joined together under LVM. One of the md0 drives failed on the weekend and I want to ensure that I do this correctly.

As the drive comes up with no file-system error, I want to pull the drive out and test it in an external carrier and possibly map out bad blocks.

The other option is to replace the drive with a much larger drive (price is lower) and partition the as a replacement.

Can I just rebuild the drive under md tools and it will work in the LVM or do I have to re-label the drive?

If I pull the drive and put it in a carrier, will I be able to pull data off of the drive?

Basically, can I just ignore the LVM on this drive?



Well no help from the list as of yet but I did finally find this which may be useful to others.

http://www.linuxjournal.com/article/8874


--
Robin Laing


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