Moving RAID with LVM between Physical Machines
I have two identical phsyical machines in respect to hardware. I have already migrated all of my services from the one machine to the new production machine.
I am now migrating my backup device which is an external RAID enclosure connected via eSATA.
Within the RAID enclosure are currently three drives configured in a RAID5 array. I have successfully moved the enclosure over to the new production machine and have restored the array within mdadm.
The problem I am struggling with is accessing the data on the RAID5 array as I had LVM on top of the RAID.
I tried using a pvcreate command and I obtained the following error:
There are two logical volumes, each 500 GB on the lvm-backup volume group.
How can I successfully incorporate these into my existing LVM setup?
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