[linux-lvm] Re: [dm-devel] Re: LVM on dmraid breakage

Alasdair G Kergon agk at redhat.com
Wed Aug 8 21:45:38 UTC 2007

On Wed, Aug 08, 2007 at 05:04:12PM -0400, Phillip Susi wrote:
> https://bugs.launchpad.net/ubuntu/+source/dmraid/+bug/129285
There's something not quite right there:
  Why doesn't the 'lvdisplay' issue a message about the duplicate PV?
  - run 'vgscan -vvvv' to see what lvm2 is really doing with all the
    relevant devices

  What lvm2 version? 
   - could be old and not containing the code to do the detection

  Are there non-upstream-default config settings that had the effect of turning
off the detection?  
   - see 'lvm dumpconfig' output or /etc/lvm/lvm.conf plus any compile-time
     default changes

Standard procedure these days is to ask people to run 'lvmdump -a'
(scripts/lvm_dump.sh in the source tree) to capture the relevant information
for examination.

> This is do to the fact that the lvm tools open /dev/sd* and look for lvm 
> partitions, which it finds.
But I don't yet see why it didn't also open the other devices, write a warning
message about duplicate IDs, and do the right thing and give them
agk at redhat.com

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