problem with LVM2 container not finding PV 0

Hi!


I have a setup with three software RAID arrays, which have been
combined into one LVM2 container in EVMS. I had some trouble with
harddisks in one of the RAID arrays, but I'm pretty sure that the
data in the array is fine.

When I boot a Live CD without EVMS and issue a 'vgdisplay --verbose'
I get the following:


  --- Volume group ---
  VG Name               datacontainer1
  System ID             
  Format                lvm2
  Metadata Areas        2
  Metadata Sequence No  27
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                1
  Open LV               0
  Max PV                0
  Cur PV                3
  Act PV                3
  VG Size               2.66 TB
  PE Size               32.00 MB
  Total PE              87150
  Alloc PE / Size       87150 / 2.66 TB
  Free  PE / Size       0 / 0   
  VG UUID               y1wkSA-Mp1z-3oRj-3fTU-9aVA-ZIQN-llWqUP
   
  --- Logical volume ---
  LV Name                /dev/datacontainer1/dataregion
  VG Name                datacontainer1
  LV UUID                RnmAbY-2fD6-serM-0X6g-hQVf-Vo1F-FLZhDR
  LV Write Access        read/write
  LV Status              available
  # open                 0
  LV Size                2.66 TB
  Current LE             87150
  Segments               5
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2
   
  --- Physical volumes ---
  PV Name               /dev/md3     
  PV UUID               gsyju6-kCtO-0ut2-rQxb-Jj56-jQJf-WtPnKn
  PV Status             allocatable
  Total PE / Free PE    35770 / 0
   
  PV Name               /dev/md1     
  PV UUID               P0nWTm-7clc-Fr8n-p2Ph-UmAE-VrqD-fEqTZ0
  PV Status             allocatable
  Total PE / Free PE    29808 / 0
   
  PV Name               /dev/md125     
  PV UUID               HjSvH5-7zK1-udaX-CoD3-qWak-PYAv-XNtaPi
  PV Status             allocatable
  Total PE / Free PE    21572 / 0
   

So I assumed that the PV on /dev/md3 is working. But back in the
installed OS EVMS tells me this:


LVM2: The PV with index 0 was not found when discovering container
lvm2/datacontainer1. An "error" object will be created in it's
place. Any regions in this container that map to this PV will return
I/O errors if they attempt to read or write to this PV. Regions that
don't map to this PV will work normally.


and thus I cannot mount the volume either. So, is /dev/md3 probably
broken even though lvdisplay list it? I do have dd-copies of the
RAID5 elements and maybe I have assembled the RAID array in the
wrong order..?


Any help is appreciated, thanks.


Nils


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