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Contained Availability Group Creation Access Violations

December 4, 2023 Sean Gallardy 1 Comment

Contained Availability Groups are the most recent update to the Availability Groups feature, and a great update at that! They…

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Posted in: Configuration, CUs and GDRs, HA/DR, Logins, Security, SQL Server Filed under: Access Violation, Always On, AV, Availability Groups, Contained AGs, HADR, Security, SQL Server, SQL2022

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

Storage Testing – Cheap and Fast?!

November 18, 2023 Sean Gallardy 2 Comments

I’ve been playing around with some different NVMe drives lately, looking at different performance characteristics and when I saw the…

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Posted in: Hardware, Storage Filed under: Always On, automatic Seeding, Availability Groups, HADR, hardware, nvme, SQL Server, ssd, Storage, Windows Server

SQL Server I/O Affinity Configuration Setting – Please Stop

November 11, 2023 Sean Gallardy 1 Comment

I honestly have no idea how or why people tend to use this configuration option, if you know please drop…

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Posted in: Configuration, SQL Server Filed under: configuration, IO, SQL Server, Threads, Windows

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

Automated SQL Dump Analysis – Beta!

October 26, 2023 Sean Gallardy 6 Comments

Update: The website has been replaced with a stand alone application for better local security and no need for an…

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Posted in: Dumps, SQL Server Filed under: Debugging, Dump, Dumps, Non-Yielding, SQL Server

SQL Server 2022, Distributed Availability Groups, and FileStream

August 27, 2023 Sean Gallardy 2 Comments

I don’t often find many people using FileStream in their databases (which isn’t a bad or good thing, in my…

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Posted in: HA/DR, SQL Server, Trace Flags Filed under: Always On, Availability Groups, Distributed Availability Groups, HADR, SQL Server, trace flag

PSA: Uptick in CrowdStrike Issues with SQL Server (Non-Yielding Scheduler)

August 19, 2023 Sean Gallardy 1 Comment

I would say I’m surprised but… ahem… I’m not. My own snarkyness aside, I’m not sure what updates have or…

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Posted in: NotASQLServerProblem, Security, SQL Server Filed under: Debugging, Drivers, Dump, Heavy Sigh, Non-Yielding, NotReallyASQLProblem, PSA, SQL Server

olved steries #4 – SQL Won’t Shut Down!

July 8, 2023 Sean Gallardy

Issue Introduction I was sent a quite an interesting email stating that SQL Server would not shut down. Attempting to…

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Posted in: olved stery, SQL Server Filed under: Debugging, Dump, Monitoring, olved steries, olved stery, service broker, SQL Server, WinDBG

model_msdbdata and log, model_replicatedmaster and log – What are they?

July 3, 2023 Sean Gallardy 4 Comments

There was a question that came up on the MCM mailing list about what are these files: model_msdbdata.mdf, model_msdblog.ldf, model_replicatedmaster.mdf,…

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Posted in: DMVs, HA/DR, SQL Server Filed under: Availability Groups, general, HADR, SQL Server, SQL2022

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