Data not yet sent to the mirror

VN:RO [1.9.17_1161]
Rating: 5.0/5 (1 vote cast)
1
5,390 0
This metric tracks the amount of data waiting to be sent from the principal database to the mirror. This is known as the send queue. Read more

Current status of mirroring

VN:RO [1.9.17_1161]
Rating: 5.0/5 (1 vote cast)
1
10,659 0
Mirroring systems can go offline. This metric returns the current state of the mirroring system so you’ll know from a single value what the current status of your mirroring environment is. Read more

Current role of a database

VN:RO [1.9.17_1161]
Rating: 0.0/5 (0 votes cast)
0
4,144 1
This metric allows you to keep track of the role of a given database within your mirroring set up. The single value returned tells you whether the database is the principal or the mirror. Read more

Status of the witness

VN:RO [1.9.17_1161]
Rating: 0.0/5 (0 votes cast)
0
8,040 0
This metric returns a single value that tells you whether the witness is connected, disconnected or unknown. Knowing if it is offline can be as important as knowing if your mirrored databases are available. Read more

Mirroring latency

VN:RO [1.9.17_1161]
Rating: 5.0/5 (5 votes cast)
5
6,465 0
This metric measures the latency of a mirroring stream. This is useful for checking the historical status of mirroring and also alerting when mirroring is delayed. Read more