[CentOS] Duplicate PV on HW RAID?
Toby Bluhm
tkb at midwestinstruments.comMon Jul 28 18:20:04 UTC 2008
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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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