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4.8. Activating Logical Volumes on Individual Nodes in a Cluster
If you have LVM installed in a cluster environment, you may at times need to activate logical volumes exclusively on one node. For example, the
pvmovecommand is not cluster-aware and needs exclusive access to a volume. LVM snapshots require exclusive access to a volume as well.
To activate logical volumes exclusively on one node, use the
lvchange -aeycommand. Alternatively, you can use
lvchange -alycommand to activate logical volumes only on the local node but not exclusively. You can later activate them on additional nodes concurrently.