Pair Add Start

Creation of the pair started.

Pair Add Complete

Creation of the pair completed.

Pair Delete

The pair was deleted.

Pair Suspend (Operation)

The pair was split.

Pair Suspend (Failure)

The pair was split (suspended) because of a failure.

Pair Resync. start

Resynchronization of the pair was started.

Pair Resync. Complete

Resynchronization of the pair was completed.