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



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
     correctly?

  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
precedence.
 
Alasdair
-- 
agk redhat com


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