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Re: RAID5 (mdadm) array hosed after grow operation (there are two of us)



also sprach Boyd Stephen Smith Jr. <bss@iguanasuicide.net> [2009.04.29.1557 +0200]:
> >One should thus fix LVM to be a bit more careful...
> 
> LVM allows you to strictly limit what devices it scans for PV headers.

That's not enough; LVM knows that md exists, and LVM-on-md is about
99.99998% of the sane use-cases, so LVM should require a --force or
even --yes-i-know-what-i-am-doing-so-let-the-monkeys-rain flag
before it uses a physical volume that has an md superblock.

-- 
 .''`.   martin f. krafft <madduck@d.o>      Related projects:
: :'  :  proud Debian developer               http://debiansystem.info
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  `-  Debian - when you have better things to do than fixing systems
 
anyone who says sunshine brings happiness
has never danced in the rain.

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