Microsoft SQL Server is the backbone of many businesses, but when it comes to high availability, which path should you take: Always On Availability Groups (AG) or Failover Cluster Instances (FCI)?
Microsoft SQL Server is the backbone of many businesses, but when it comes to high availability, which path should you take: Always On Availability Groups (AG) or Failover Cluster Instances (FCI)?
Security, privacy, and performance have always been a priority for many businesses even over the limitless scalability offered by the cloud. Join us for a new video, on how to transform two on-prem VMware vSphere hosts into a bulletproof high-availability (HA) cluster for improved cost-effectiveness, high VM performance and enhanced security, in 5 easy steps.
Want to optimize your storage infrastructure? Learn how StarWind Virtual SAN (VSAN) helps organizations achieve high availability and resilience.
Worried about keeping your business data safe from ransomware and other threats? Discover how StarWind Virtual SAN (VSAN) can fortify your backup strategy as a hardened repository for Veeam Backup & Replication (B&R).
Most admins know that VMware offers Free and Evaluation versions of their hypervisor. However, there are still some nuances that explain why people would actually buy ESXi.
V2V in Focus: What’s virtual-to-virtual migration all about? Learn what V2V is, why it matters, and how it works. Check out reasons for migration, hot vs. cold migration, and tools like StarWind V2V Converter.
VMware vSphere and Microsoft Hyper-V are among the most popular type 1 enterprise hypervisors. However, their VM formats are incompatible, and it is not uncommon for users to look for an easy way to migrate a virtual machine from one hypervisor to another.
Some time ago, there was a post about new cool features brought to VMware vSphere 6.7 with Update 1. I forgot to mention one thing that appeared in VMware vSphere even before the update – PMEM support for your VMs. Well, I think it won’t be enough to write something like “Wow, it is good to see PMEM support in vSphere… it is very fast”. This innovation needs own article shedding light on what PMEM is and how fast your VMs can actually run on it. Unfortunately, I have no NVDIMM devices in my lab yet… but I still can simulate one using some host RAM!
In my previous article, I measured SQL Server Basic Availability Groups (BAG) performance. This, as it comes from the name, addresses SQL Cluster Failover Cluster Instance (FCI) performance. I expect SQL Server FCI to exhibit two times higher performance than BAG.
Before I start, I’d like to tell you one important thing about this measurement. SQL Server FCI database resides on a StarWind virtual device. Why did I choose StarWind? Because I got their NFR license some time ago and decided to give this software-defined storage solution a shot. Let’s just hope that it won’t limit SQL Server FCI performance.
Veeam announced the next update of its backup app – Veeam Backup & Replication 9.5u4. It has an opportunity to create a Scale-Out Backup Repository (SOBR) with local and cloud extents. And one more benefit: SOBR can include two tiers. It’s not fiction. Create a performance tier and capacity tier such as a storage account in Microsoft Azure with SOBR!
Some time ago, while looking through what SQL server Basic Availability Groups (BAG) can do, I found an awesome article by Pieter Vanhove: https://blogs.technet.microsoft.com/msftpietervanhove/2017/03/14/top-5-questions-about-basic-availability-groups/. There was nothing about performance, though, so I thought: “Hey, why not write an article about BAG performance?” Later, I realized that you need to compare this performance to something else, right? So, I decided to add SQL Server Failover Cluster Instance (FCI) performance measurements. Maybe, I’ll add some SQL Server Availability Groups (AG) measurements at the end; but, let’s see first whether SQL Server FCI can run twice as fast as SQL Server BAG.
In this study, I measured BAG performance alone. Now, as we know the scope of the article, let’s move on!
This post will be pretty handy for those who rely on their memory too much because it discusses how to reset vCenter Server Appliance root password.
Whether you’re new to the idea of a CI/CD pipeline or have tried this development practice before and are simply looking for ways to optimize the process, this article is for you.
In this post, I am going to take a closer look at the impact of read-only routing on SQL Server Availability Groups performance.
I measured SQL Server Availability Groups (AG) performance before (https://www.starwindsoftware.com/blog/hyper-v/can-sql-server-failover-cluster-instance-run-s2d-twice-fast-sql-server-availability-groups-storage-spaces-part-1-studying-ag-performance/). And, a guy from Reddit recommended enabling read-only routing to achieve higher performance (find more about this policy here: https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/configure-read-only-routing-for-an-availability-group-sql-server?view=sql-server-2017). Thanks for your comment, man! I highly appreciate your efforts. This article will shed light on how read-only routing affects SQL Server AG performance.
Microsoft released in February 2019 a new service called Azure Lab service. With Azure Lab Services, you can easily set up and provide on-demand access to preconfigured virtual machines. Thanks to a dashboard, you can also keep your budget in check by controlling exactly how many hours your lab users can use the virtual machines.
Some time ago, discussing how cool VMware vSphere 6.7 Update 1 is, I briefly mentioned content libraries. That article was just an overview, so I decided not to go into details, saying that some features need their own posts. In today’s article, I’d like to share my hands-on experience with content libraries and help you to decide whether this feature can make your life any easier.
Admins shut down their hosts for servicing from time to time. After closing for maintenance one node, vSAN cluster resources are to be re-distributed, and here Maintenance Mode comes into play. Today, I’d like to discuss the whole idea of maintenance mode and its options.