Availability Group DMVs

Adrian Buckman shows off a few Availability Group DMVs:

Whilst I was combing through various combinations of sys.dm_hadr and sys.Availability I stumbled across a couple of gems that I thought would be nice to share.

  • sys.dm_hadr_cluster

  • sys.dm_hadr_cluster_members

  • sys.dm_hadr_cluster_networks

Read on for usage examples.

Related Posts

Workarounds for Updating Stats on Secondaries

Niko Neugebauer wants statistics updates on tables running on readable Availability Group secondary nodes: Let’s list the basic known details for the possible solution(for the Enterprise Edition of the Sql Server that is):– We can make the secondary replica readable and read the same data on it. (Not that you should do that by default, […]

Read More

Dealing with HADR_SYNC_COMMIT Waits

Dmitri Korokevitch walks us through the HADR_SYNC_COMMIT wait type: The secondary nodes may be configured using asynchronous or synchronous commit. With asynchronous commit, transaction considered to be committed and all locks were released when COMMIT log record is hardened on the primary node. SQL Server sends COMMIT record to secondary node; however, it does not […]

Read More

Categories

August 2017
MTWTFSS
« Jul Sep »
 123456
78910111213
14151617181920
21222324252627
28293031