alwayson

New White Paper: How to Build an Always On Availability Group in Google Compute Engine

You’re a database administrator, Windows admin, or developer. You want to build a Microsoft SQL Server environment that’s highly available, and you’ve chosen to use Always On Availability Groups. Our newest white paper – download In this white paper we built with Google, we’ll show you: How to build your first Availability Group in Google…
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Availability Groups: More Planned Downtime for Less Unplanned Downtime

I often hear companies say, “We can never ever go down, so we’d like to implement Always On Availability Groups.” Let’s say on January 1, 2016, you rolled out a new Availability Group on SQL Server 2014. It’s the most current version available at the time, and you deploy Service Pack 1, Cumulative Update 4 (released…
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Availability Group Direct Seeding: Mind Your Backup Jobs

I’ll get right to the point While you’re Direct Seeding, you have to be careful with any other full or differential backup jobs running on the server. This is an artifact of the Direct Seeding process, but it’s one you should be aware of up front. In the screencap below, courtesy of sp_whoisactive there’s a…
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Availability Group Direct Seeding: TDE’s Frenemy

From the Mailbag In another post I did on Direct Seeding, reader Bryan Aubuchon asked if it plays nicely with TDE. I’ll be honest with you, TDE is one of the last things I test interoperability with. It’s annoying that it breaks Instant File Initialization, and mucks up backup compression. But I totally get the…
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Availability Group Direct Seeding: Extended Events and DMVs

As of this writing, this is all undocumented I’m super interested in this feature, so that won’t deter me too much. There have been a number of questions since Availability Groups became a thing about how to automate adding new databases. All of the solutions were kind of awkward scripts to backup, restore, join, blah…
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Availability Group Direct Seeding: How to fix a database that won’t sync

This post covers two scenarios You either created a database, and the sync failed for some reason, or a database stopped syncing. Our setup focuses on one where sync breaks immediately, because whatever it’s my blog post. In order to do that, I set up a script to create a bunch of databases, hoping that…
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SQL Server 2016: Availability Groups, Direct Seeding, and You.

One of my least favorite things about Availability Groups Well, really, this goes for Mirroring and Log Shipping, too. Don’t think you’re special just because you don’t have a half dozen patches and bug fixes per CU. Hah. Showed you! Where was I? Oh yeah. I really didn’t like the backup and restore part. You…
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