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LVM is a typical block storage, but this backend does not support
-snapshot and clones. Unfortunately, normal LVM snapshots are quite
-inefficient, because they interfere all writes on the whole volume
+snapshots and clones. Unfortunately, normal LVM snapshots are quite
+inefficient, because they interfere with all writes on the entire volume
group during snapshot time.
One big advantage is that you can use it on top of a shared storage,
-for example an iSCSI LUN. The backend itself implement proper cluster
-wide locking.
+for example, an iSCSI LUN. The backend itself implements proper cluster-wide
+locking.
-TIP: The newer LVM-thin backend allows snapshot and clones, but does
+TIP: The newer LVM-thin backend allows snapshots and clones, but does
not support shared storage.