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Tag: WSFC

Read Scale Availability Group – Failed to update Replica status due to exception 35222.

November 21, 2023 Sean Gallardy

Read Scale Availability Groups can be pretty useful in the right places and for the right things and were a…

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Posted in: DMVs, HA/DR, SQL Server Filed under: Always On, Availability Groups, benign, HADR, read-scale, SQL Server, Weird Errors, WSFC

olved steries #5 – FCI Node Fails To Online After Patching

November 6, 2023 Sean Gallardy 1 Comment

The first video olved stery! In this one we look at an FCI node that will not come online after…

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Posted in: CUs and GDRs, HA/DR, olved stery, SQL Server Filed under: Always On, FCI, HADR, olved steries, olved stery, Patching, SQL Server, Windows Server, WSFC

Non-WSFC Dumping Woes – Assert in ucsconnectionsend.cpp

March 29, 2023 Sean Gallardy 5 Comments

Setup If you’re using availability groups with read-scale or linux (cluster type = None/External), you might want to watch the…

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Posted in: Dumps, HA/DR, SQL Server Filed under: Always On, Availability Groups, Dump, Dumps, HADR, linux, read-scale, SQL Server, WSFC

Cluster Resource DLL Connectivity In Availability Groups

March 11, 2023 Sean Gallardy

I was recently asked a question, while fixing a cluster connectivity issue, about how the cluster resource dll knows on…

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Posted in: HA/DR, Security, SQL Server Filed under: Always On, Availability Groups, HADR, NotReallyASQLProblem, ODBC, Security, SNAC, SQL Native Client, SQL Server, WSFC

Using Distributed Network Names with Availability Groups

August 23, 2020 Sean Gallardy 1 Comment

I’ve been asked this question a few times, so I feel it’s worth writing about, which is, “Are Distributed Network…

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Posted in: HA/DR, SQL Server Filed under: Availability Groups, DNN, FCI, NotQuiteYet, WSFC

Attempting to recycle all monitors that have loaded the DLL sqsrvres.dll or hadrres.dll and you notice a SQL FCI/AG failed health checks

August 20, 2020 Sean Gallardy

I won’t say I told you so… I will, however, point out common AG question #8… I’m not sure why…

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Posted in: HA/DR, Maintenance, NotASQLServerProblem, SQL Server Filed under: HADR, Patching, SQL Server, WSFC

Stop using Sys.dm_hadr_cluster_members for “quorum” information

May 9, 2020 Sean Gallardy 1 Comment

Update 5/24/2022: I’ve updated the DMV to reflect the various node and witness dynamic settings with a new column at…

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Posted in: DMVs, HA/DR, SQL Server Filed under: DMV, DoesntWorkLikeYoudThink, HADR, Monitoring, SQL Server, WSFC

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