Re: DM-RAID1 data corruption

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Mikulas, does RedHat have a bugzilla bug opened for this problem?

Mikulas Patocka [mpatocka@xxxxxxxxxx] wrote:
> MD-RAID1 solves this problem by having counters in superblocks on both 
> legs. If some leg dies, the counter on the other devices is increased. If 
> the dead disk comes online again, it is found that it has old counter and 
> cannot be trusted.
> 
> Would it be possible to extend a logical volume when converting it to a 
> raid1 and use the last area of the volume as a superblock?

Interesting idea. Any more thoughts on this front?

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