<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Azure Centric · High availability</title><description>Posts, a podcast and video series about Microsoft Azure by Marcos Nogueira.</description><link>https://azurecentric.com/</link><item><title>Plan maintenance with only one spare node</title><link>https://azurecentric.com/posts/plan-maintenance-with-only-one-spare-node/</link><guid isPermaLink="true">https://azurecentric.com/posts/plan-maintenance-with-only-one-spare-node/</guid><description>Plan maintenance on a two-node cluster with one spare node using CAU, ensuring quorum is maintained by moving roles before maintenance.</description><pubDate>Sun, 06 Sep 2026 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>maintenance</category><category>quorum</category><category>windows-server-2025</category><category>windows-server</category></item><item><title>Validate a cluster after a network or storage change</title><link>https://azurecentric.com/posts/validate-a-cluster-after-a-network-or-storage-change/</link><guid isPermaLink="true">https://azurecentric.com/posts/validate-a-cluster-after-a-network-or-storage-change/</guid><description>Validate a Storage Spaces Direct cluster after network or storage changes using Health Service reports and system event logs.</description><pubDate>Tue, 14 Jul 2026 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>health-service</category><category>storage-spaces-direct</category><category>troubleshooting</category></item><item><title>Review split-brain risk in a stretched infrastructure design</title><link>https://azurecentric.com/posts/review-split-brain-risk-in-a-stretched-infrastructure-design/</link><guid isPermaLink="true">https://azurecentric.com/posts/review-split-brain-risk-in-a-stretched-infrastructure-design/</guid><description>Configure fault domains and quorum witnesses to manage split-brain risk in stretched Windows Server clusters.</description><pubDate>Tue, 19 May 2026 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>quorum</category><category>windows-server</category><category>fault-domains</category><category>stretch-cluster</category></item><item><title>Investigate a live migration that stalls during maintenance</title><link>https://azurecentric.com/posts/investigate-a-live-migration-that-stalls-during-maintenance/</link><guid isPermaLink="true">https://azurecentric.com/posts/investigate-a-live-migration-that-stalls-during-maintenance/</guid><description>Troubleshoot stalled live migrations in Windows Server 2025 by verifying SMB bandwidth limits and cluster network selection.</description><pubDate>Fri, 27 Mar 2026 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>live-migration</category><category>migration</category><category>troubleshooting</category><category>smb</category><category>windows-server</category></item><item><title>Document a cluster recovery procedure before it is needed</title><link>https://azurecentric.com/posts/document-a-cluster-recovery-procedure-before-it-is-needed/</link><guid isPermaLink="true">https://azurecentric.com/posts/document-a-cluster-recovery-procedure-before-it-is-needed/</guid><description>Document cluster recovery procedures for quorum loss, covering ForceQuorum and PreventQuorum modes.</description><pubDate>Fri, 30 Jan 2026 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>quorum</category><category>disaster-recovery</category><category>windows-server</category><category>powershell</category></item><item><title>Choose failover priorities around application dependencies</title><link>https://azurecentric.com/posts/choose-failover-priorities-around-application-dependencies/</link><guid isPermaLink="true">https://azurecentric.com/posts/choose-failover-priorities-around-application-dependencies/</guid><description>Distinguish cluster quorum from application failover priorities. Configure votes to control survival, not role placement.</description><pubDate>Mon, 08 Dec 2025 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>quorum</category><category>multisite</category><category>disaster-recovery</category></item><item><title>Review cluster event logs during a node failure</title><link>https://azurecentric.com/posts/review-cluster-event-logs-during-a-node-failure/</link><guid isPermaLink="true">https://azurecentric.com/posts/review-cluster-event-logs-during-a-node-failure/</guid><description>Diagnose Windows Server node failures using Failover Clustering events and, where applicable, Storage Spaces Direct Health Service faults.</description><pubDate>Wed, 15 Oct 2025 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>event-logs</category><category>windows-server</category><category>health-service</category><category>troubleshooting</category></item><item><title>Plan storage availability across cluster nodes</title><link>https://azurecentric.com/posts/plan-storage-availability-across-cluster-nodes/</link><guid isPermaLink="true">https://azurecentric.com/posts/plan-storage-availability-across-cluster-nodes/</guid><description>Align Windows Server cluster fault domains with physical hardware and configure a quorum witness to maintain storage availability.</description><pubDate>Sat, 23 Aug 2025 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>quorum</category><category>windows-server</category><category>fault-domains</category><category>azure-local</category></item><item><title>Investigate a cluster validation report before dismissing warnings</title><link>https://azurecentric.com/posts/investigate-a-cluster-validation-report-before-dismissing-warnings/</link><guid isPermaLink="true">https://azurecentric.com/posts/investigate-a-cluster-validation-report-before-dismissing-warnings/</guid><description>Investigate cluster validation warnings by cross-referencing Health Service metrics with system log events to identify root causes.</description><pubDate>Sat, 28 Jun 2025 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>troubleshooting</category></item><item><title>Test a planned failover and record the application result</title><link>https://azurecentric.com/posts/test-a-planned-failover-and-record-the-application-result/</link><guid isPermaLink="true">https://azurecentric.com/posts/test-a-planned-failover-and-record-the-application-result/</guid><description>Execute a planned failover in a Windows Server failover cluster and verify application health using PowerShell.</description><pubDate>Wed, 07 May 2025 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>powershell</category><category>windows-server</category><category>troubleshooting</category></item><item><title>Understand Cluster Shared Volumes in a Hyper-V design</title><link>https://azurecentric.com/posts/understand-cluster-shared-volumes-in-a-hyper-v-design/</link><guid isPermaLink="true">https://azurecentric.com/posts/understand-cluster-shared-volumes-in-a-hyper-v-design/</guid><description>Configure CSV BitLocker for Windows Server 2025, distinguishing between AD DS and workgroup unlock methods.</description><pubDate>Wed, 12 Mar 2025 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>cluster-shared-volumes</category><category>hyper-v</category><category>windows-server</category><category>bitlocker</category><category>windows-server-2025</category></item><item><title>Use Cluster-Aware Updating with a tested maintenance process</title><link>https://azurecentric.com/posts/use-cluster-aware-updating-with-a-tested-maintenance-process/</link><guid isPermaLink="true">https://azurecentric.com/posts/use-cluster-aware-updating-with-a-tested-maintenance-process/</guid><description>Configure Cluster-Aware Updating with a tested Updating Run Profile to automate safe, repeatable maintenance on Windows Server failover clusters.</description><pubDate>Sat, 11 Jan 2025 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>cluster-aware-updating</category><category>maintenance</category><category>windows-server</category><category>powershell</category></item><item><title>Investigate a cluster resource that keeps moving between nodes</title><link>https://azurecentric.com/posts/investigate-a-cluster-resource-that-keeps-moving-between-nodes/</link><guid isPermaLink="true">https://azurecentric.com/posts/investigate-a-cluster-resource-that-keeps-moving-between-nodes/</guid><description>Investigate a cluster resource moving between nodes by correlating Failover Clustering events with Storage Spaces Direct Health Service faults.</description><pubDate>Sat, 16 Nov 2024 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>troubleshooting</category><category>health-service</category><category>storage-spaces-direct</category></item><item><title>Configure and verify a cluster witness</title><link>https://azurecentric.com/posts/configure-and-verify-a-cluster-witness/</link><guid isPermaLink="true">https://azurecentric.com/posts/configure-and-verify-a-cluster-witness/</guid><description>Configure a file share witness for Windows Server failover clustering using PowerShell, with verification steps.</description><pubDate>Wed, 18 Sep 2024 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>quorum</category><category>powershell</category><category>windows-server</category><category>file-share-witness</category></item><item><title>Plan cluster networks around storage and client traffic</title><link>https://azurecentric.com/posts/plan-cluster-networks-around-storage-and-client-traffic/</link><guid isPermaLink="true">https://azurecentric.com/posts/plan-cluster-networks-around-storage-and-client-traffic/</guid><description>Plan Windows Server 2022 cluster networks using SMB Multichannel for storage and cluster-wide bandwidth controls for live migrations.</description><pubDate>Wed, 24 Jul 2024 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>live-migration</category><category>smb</category><category>windows-server</category><category>migration</category></item><item><title>Create a small failover cluster with a clear network design</title><link>https://azurecentric.com/posts/create-a-small-failover-cluster-with-a-clear-network-design/</link><guid isPermaLink="true">https://azurecentric.com/posts/create-a-small-failover-cluster-with-a-clear-network-design/</guid><description>Create a Windows Server 2022 failover cluster with explicit network and identity controls, validating prerequisites before deployment.</description><pubDate>Sat, 01 Jun 2024 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>network-design</category><category>windows-server</category><category>validation</category><category>windows-server-2022</category><category>active-directory</category></item><item><title>Validate Windows Server nodes before creating a cluster</title><link>https://azurecentric.com/posts/validate-windows-server-nodes-before-creating-a-cluster/</link><guid isPermaLink="true">https://azurecentric.com/posts/validate-windows-server-nodes-before-creating-a-cluster/</guid><description>Validate Windows Server nodes using hardware checks, network isolation, and the Validate a Configuration wizard to prevent quorum and connectivity failures.</description><pubDate>Wed, 10 Apr 2024 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>windows-server</category><category>quorum</category><category>validation</category></item><item><title>Choose a quorum witness for a failover cluster</title><link>https://azurecentric.com/posts/choose-a-quorum-witness-for-a-failover-cluster/</link><guid isPermaLink="true">https://azurecentric.com/posts/choose-a-quorum-witness-for-a-failover-cluster/</guid><description>Choose a Windows Server cluster witness around storage, site connectivity and failure scenarios, then inspect the configuration before changing votes.</description><pubDate>Wed, 14 Feb 2024 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>quorum</category><category>windows-server</category></item><item><title>How to Create a Cluster in a Restrictive Active Directory Environment</title><link>https://azurecentric.com/posts/how-to-create-a-cluster-in-a-restrictive-active-directory-environment/</link><guid isPermaLink="true">https://azurecentric.com/posts/how-to-create-a-cluster-in-a-restrictive-active-directory-environment/</guid><description>In Windows Server 2012 there have been several enhancements to how Windows Server Failover Clusters integrate with the Active Directory. In this post we going to discuss some…</description><pubDate>Sat, 31 Mar 2012 00:00:00 GMT</pubDate><category>high-availability</category><category>failover-clustering</category><category>active-directory</category><category>windows-server</category><category>powershell</category></item></channel></rss>