[CentOS] Re: raid1 disk format?
ssilva at sgvwater.com
Thu Jun 12 17:07:33 UTC 2008
on 6-11-2008 11:36 PM Les Mikesell spake the following:
> Scott Silva wrote:
>>> I'm curious as to why 2 complete dd'd copies don't pair at boot. One
>>> comes up running and it does work to mdadm --add the partner
>>> partitions and after the resync they do automatically pair at boot.
>> Are they dd copies of the different nodes (IE.. dd copy of sda paired
>> with dd copy of sdb)?
> No - what was sda was dd'd twice with the dups put in sda and sdb.
That is why it didn't work. The superblock knows which drive it was on, and
knows if there are dupes.
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