Data disappears when you add LUNs to a volume group
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Data on the LUN disappears, when you add an existing LUN to a volume group.
If you add an existing LUN to a volume group that is managed by the LVM, and then execute a pvcreate
command, the data is overwritten.
Workaround
If you need data that is on an existing LUN, you must migrate that data to a LUN that you create using the LVM. Complete the following steps.
-
Create new LUNs.
-
Place the LUNs under LVM control by using the
pvcreate
, thevgcreate
, and thelvcreate
commands. -
Copy data from the existing LUNs to the LUNs you created and placed under LVM control.