{"id":49363,"date":"2026-02-04T08:00:00","date_gmt":"2026-02-04T16:00:00","guid":{"rendered":"https:\/\/azure.microsoft.com\/en-us\/blog\/?p=49363"},"modified":"2026-02-03T13:42:27","modified_gmt":"2026-02-03T21:42:27","slug":"enhanced-storage-resiliency-with-azure-netapp-files-elastic-zone-redundant-service","status":"publish","type":"post","link":"https:\/\/azure.microsoft.com\/en-us\/blog\/enhanced-storage-resiliency-with-azure-netapp-files-elastic-zone-redundant-service\/","title":{"rendered":"Enhanced\u00a0storage\u00a0resiliency with Azure NetApp Files Elastic\u00a0zone-redundant service\u00a0"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">In today\u2019s globally connected environment, even minutes of downtime can disrupt supply chains, hinder customer experiences, and affect regulatory commitments costing organizations thousands of dollars per minute and risking lasting reputational harm. Data resiliency is no longer optional\u2014it is the foundation that keeps mission\u2011critical applications running, teams productive, and compliance intact. Organizations must ensure continuous data availability and zero data loss to meet stringent regulatory and audit standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/learn.microsoft.com\/en-us\/azure\/azure-netapp-files\/elastic-zone-redundant-concept\" target=\"_blank\" rel=\"noreferrer noopener\">Azure NetApp Files (ANF)<\/a> is an Azure first party, enterprise-grade file storage offering in the cloud built to deliver unmatched performance, security with instant provisioning, and enterprise data management capabilities like snapshots, replication, backups, and flexible, cost-efficient service levels. It\u2019s the trusted platform for critical workloads and the engine behind numerous migrations that drive Azure enterprise cloud journeys.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As businesses scale, the impact of service disruptions grows, and storage platforms must evolve to help maintain operational continuity. To support these needs, we are introducing <strong>Azure NetApp Files Elastic zone\u2011redundant storage (ANF Elastic ZRS)<\/strong>\u2014a new service that provides enhanced resiliency across availability zones (AZs) and advanced data management capabilities. Built on Azure infrastructure, ANF Elastic ZRS can be deployed rapidly, accelerating availability across a broad set of regions. As a customer, you benefit from a service that can quickly adapt, whether that means expanding to a new Azure region you require, or adopting new technological advancements faster.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"synchronous-replication-and-service-managed-failover\">Synchronous replication and service managed failover<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Built on Microsoft Azure\u2019s zone-redundant storage (ZRS) architecture, ANF Elastic ZRS synchronously replicates data across multiple AZs within a region.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The graphic below shows the high-level architecture of ANF Elastic ZRS.<\/p>\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d486b5a5dc1&quot;}\" data-wp-interactive=\"core\/image\" class=\"wp-block-image wp-lightbox-container\"><img decoding=\"async\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2026\/02\/word-image-49363-2.webp\" alt=\"Diagram showing Azure NetApp Files Elastic ZRS synchronously replicating a volume across three availability zones within one Azure region.&nbsp;\" class=\"wp-image-49365 webp-format\" data-orig-src=\"https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2026\/02\/word-image-49363-2.webp\"><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on-async--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The following summarizes the operational methodology used:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"wp-block-list-item\"><strong>Synchronous replication:<\/strong>\u00a0ANF Elastic zone-redundant storage (ZRS) volume replicates data within your NetApp Elastic Account to three or more AZs within the primary region of choice.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Service managed failover:<\/strong>&nbsp;If one AZ goes down (think single datacenter failure, power outage), ANF Elastic ZRS automatically routes traffic to the failover zone that was chosen during initial&nbsp;setup without customer intervention. The mount target and service endpoint remain the same, so your applications barely notice.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Zero data loss and high availability for mission-critical applications:<\/strong> ANF Elastic ZRS ensures uninterrupted operations for mission-critical applications and regulated systems by combining synchronous replication with service-managed failover. This architecture guarantees zero data loss and seamless continuity even during zone-level failures, meeting enterprise resiliency standards.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"capabilities-for-enterprise-mission-critical-applications\">Capabilities for enterprise mission-critical applications<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"wp-block-list-item\"><strong>NFS, SMB protocol support, multi-AZ file service: <\/strong>ANF Elastic ZRS supports NFS and SMB independently with the added benefit of zonal redundancy.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Rich enterprise data management capabilities:<\/strong> Instant writeable space-efficient snapshots, clones, tiering, and backup integration all powered by the NetApp ONTAP\u00ae Unified data management platform.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Metadata performance: <\/strong>Beyond consistent throughput, ANF Elastic ZRS provides efficient handling of metadata operations such as rapid file creation and fast enumeration of numerous small files, improving responsiveness of metadata-heavy workloads. Its shared QoS architecture dynamically allocates IOPS across volumes to maintain low-latency, metadata-intensive operations consistently.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Cost optimized:<\/strong> ANF Elastic ZRS delivers multi-AZ high availability in a single volume at a lower cost than cross-zone replication with three separate ANF volumes, making it an efficient and valuable investment. You can create volumes as small as 1 GiB, giving you the flexibility to optimize storage for workloads of any size.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Apart from the above capabilities that are already supported, we will be adding the below capabilities in the future:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"wp-block-list-item\"><strong>Simultaneous multi-protocol, multi-AZ file service: <\/strong>The service will support simultaneous NFS, SMB, and Object REST API access to the same dataset. This flexibility is crucial for environments where Windows and Linux workloads share data, such as analytics platforms and enterprise file shares.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Custom region pair for cross-region replication: <\/strong>ANF Elastic ZRS will be offering the flexibility to choose custom region pairs for cross-region replication, meeting strict compliance and disaster recovery requirements for large enterprise customers. This capability ensures business continuity while aligning with unique geographic or regulatory needs.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Migration Assistant<\/strong>: This capability\u00a0will simplify data movement from on-premises or other ONTAP\u00ae systems to Elastic ZRS service level for seamless cloud adoption.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"targeted-use-cases\">Targeted use cases<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><br><p><strong>Use case<\/strong><\/p><br><\/td><td><br><p><strong>How ANF Elastic ZRS helps<\/strong><\/p><br><\/td><\/tr><tr><td>\n<p>General file shares<\/p>\n<\/td><td>\n<p>Corporate user data including home directories or departmental file shares, remain accessible even during zone outages, ensuring seamless employee productivity and business continuity.<\/p>\n<\/td><\/tr><tr><td>\n<p>Financial services and trading platforms<\/p>\n<\/td><td>\n<p>Delivers zero data loss and nonstop trading even in a zone outage, so financial apps stay compliant, and customers stay confident.<\/p>\n<\/td><\/tr><tr><td>\n<p>Kubernetes\/containerized applications<\/p>\n<\/td><td>\n<p>Keeps Kubernetes and container workloads running even during zone outages by instantly synchronizing data across zones and enabling rapid, automated failover. Your stateful apps stay online with zero data loss and minimal downtime.<\/p>\n<\/td><\/tr><tr><td>\n<p>Applications<\/p>\n<\/td><td>\n<p>Ensure nonstop access to in-house\/line of business apps, even if an AZ fails, as data stays online with zero outages or lost transactions.<\/p>\n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"innovation-in-action\">Innovation in action<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A global healthcare enterprise running mission-critical application, on-premises is looking to modernize its infrastructure by moving mission-critical workloads to the cloud. The organization\u2019s top priorities are eliminating downtime during maintenance and ensuring seamless failover to maintain application availability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">By adopting ANF Elastic ZRS, the organization gained a fully managed, zone-resilient storage solution that synchronously replicates data across three Azure AZs. This ensures zero data loss and near-instant failover, even during zone outages or platform maintenance. The mission-critical application remains highly available without requiring operational intervention, dramatically improving uptime, and simplifying infrastructure management.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ANF Elastic ZRS delivers the same enterprise-grade features as existing Azure NetApp Files service levels\u2014such as NFS\/SMB support, snapshots, encryption, and backup\u2014all while removing the complexity of managing high availability (HA) clusters or VM-level failover. For the healthcare provider, this translates into higher SLA compliance, reduced operational overhead, and a more resilient foundation for its mission-critical application landscape.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"take-the-next-step-toward-resilient-storage\">Take the next step toward resilient storage<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>NetApp on premises customers: this is the inflection point you\u2019ve been waiting for to move to Azure.<\/strong> ANF Elastic ZRS\u2011 brings the ONTAP\u00ae-powered data management you trust to a fully managed, multi-AZ file service, so you can modernize mission\u2011AZ file service, so you can modernize mission\u2011critical workloads with enterprise resilience, meet availability commitments, and reduce operational overhead\u2014without re\u2011architecting your applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ANF Elastic ZRS is available now in these <a href=\"https:\/\/learn.microsoft.com\/en-us\/azure\/azure-netapp-files\/elastic-zone-redundant-concept#supported-regions\" target=\"_blank\" rel=\"noreferrer noopener\">Azure regions<\/a> and we will be rapidly expanding region availability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Learn more:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"wp-block-list-item\"><a href=\"https:\/\/learn.microsoft.com\/en-us\/azure\/azure-netapp-files\/elastic-zone-redundant-concept\" target=\"_blank\" rel=\"noreferrer noopener\">Understand Azure NetApp Files Elastic zone-redundant storage<\/a><\/li>\n\n\n\n<li class=\"wp-block-list-item\"><a href=\"https:\/\/learn.microsoft.com\/azure\/azure-netapp-files\/azure-netapp-files-create-volumes-smb\" target=\"_blank\" rel=\"noreferrer noopener\">Create an SMB volume for Azure NetApp Files<\/a><\/li>\n\n\n\n<li class=\"wp-block-list-item\"><a href=\"https:\/\/learn.microsoft.com\/azure\/azure-netapp-files\/azure-netapp-files-create-volumes\" target=\"_blank\" rel=\"noreferrer noopener\">Create an NFS volume for Azure NetApp Files<\/a><\/li>\n\n\n\n<li class=\"wp-block-list-item\"><a href=\"https:\/\/learn.microsoft.com\/en-us\/azure\/azure-netapp-files\/elastic-zone-redundant-concept#comparison-of-service-levels\" target=\"_blank\" rel=\"noreferrer noopener\">Comparison of Elastic vs other ANF service levels<\/a><\/li>\n<\/ul>\n\n\n\n<aside class=\"cta-block cta-block--align-left cta-block--has-image wp-block-msx-cta\" data-bi-an=\"CTA Block\">\n\t<div class=\"cta-block__content\">\n\t\t\t\t\t<div class=\"cta-block__image-container\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/12\/Azure-Infrastructure-Dark-3-1024x576.jpg\" class=\"cta-block__image\" alt=\"Infrastructure with blue waves and beams.\" srcset=\"https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/12\/Azure-Infrastructure-Dark-3-1024x576.jpg 1024w, https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/12\/Azure-Infrastructure-Dark-3-300x169.jpg 300w, https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/12\/Azure-Infrastructure-Dark-3-768x432.jpg 768w, https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/12\/Azure-Infrastructure-Dark-3-1536x864.jpg 1536w, https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2025\/12\/Azure-Infrastructure-Dark-3-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t<\/div>\n\t\t\n\t\t<div class=\"cta-block__body\">\n\t\t\t<h2 class=\"cta-block__headline\">Explore ANF Elastic ZRS in Azure today<\/h2>\n\t\t\t<p class=\"cta-block__text\">Join the ranks of enterprises who demand the best in performance, availability, and simplicity.<\/p>\n\t\t\t\t\t\t\t<div class=\"cta-block__actions\">\n\t\t\t\t\t<a\n\t\t\t\t\t\thref=\"https:\/\/learn.microsoft.com\/en-us\/azure\/azure-netapp-files\/elastic-account\"\n\t\t\t\t\t\tclass=\"btn cta-block__link btn-link\"\n\t\t\t\t\t\ttarget=\"_blank\"\t\t\t\t\t>\n\t\t\t\t\t\tStart experimenting\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/aside>\n","protected":false},"excerpt":{"rendered":"<p>Data resiliency is no longer optional\u2014it is the foundation that keeps mission\u2011critical applications running, teams productive, and compliance intact. Organizations must ensure continuous data availability and zero data loss to meet stringent regulatory and audit standards.<\/p>\n","protected":false},"author":97,"featured_media":49379,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ms_queue_id":[],"ep_exclude_from_search":false,"_classifai_error":"","_classifai_text_to_speech_error":"","_alt_title":"","footnotes":"","msx_community_cta_settings":[]},"categories":[1491],"tags":[],"audience":[3057,3055,3053,3056],"content-type":[1465],"product":[1502],"tech-community":[],"topic":[],"coauthors":[3214],"class_list":["post-49363","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-storage","audience-data-professionals","audience-developers","audience-it-decision-makers","audience-it-implementors","content-type-announcements","product-azure-netapp-files","review-flag-1680286581-295","review-flag-1-1680286581-825","review-flag-new-1680286579-546","review-flag-on-pr-1680286585-571","review-flag-vm-1680286585-143"],"yoast_head":"<!-- This site is optimized 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