Re: Duplicate PV on HW RAID?

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Ross S. W. Walker wrote:
Eduardo Grosclaude wrote:
Hello, My "hardware" (?) RAID system seems to work but says "duplicate PV" while booting, I don't think I was reading


Could just be that lvm is finding your pv through another path - lvm.conf can be setup to only scan specific devices.


There might be a disk from an old RAID1 set in there.


I'll second that. I forgot to zero out one of my disks from a test raid setup & the when I rebooted for the 5.2 upgrade, lvm refused to start - duplicate uuid - IIRC. 5.1 + updates didn't present the problem, so something was changed in that regard for 5.2.

mdadm --examine <pv device(s)> will tell if there's raid metadata there, --zero-superblock will erase it.



--
Toby Bluhm
Alltech Medical Systems America, Inc.
30825 Aurora Road Suite 100
Solon Ohio 44139
440-424-2240 ext203

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