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.openpublishing.publish.config.json

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"build_entry_point": "docs",
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"template_folder": "_themes"
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},
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{
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"docset_name": "AzureLocal",
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"build_source_folder": "azure-local",
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"build_output_subfolder": "AzureLocal",
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"locale": "en-us",
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"monikers": [],
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"moniker_ranges": [],
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"open_to_public_contributors": false,
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"type_mapping": {
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"Conceptual": "Content"
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},
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"build_entry_point": "docs"
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},
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{
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"docset_name": "azure-managed-lustre",
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"build_source_folder": "azure-managed-lustre",

azure-local/TOC.yml

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- name: Index
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href: index.yml
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- name: Azure Local
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tocHref: /azure-local
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topicHref: /azure-local/index

azure-local/docfx.json

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{
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"build": {
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"content": [
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{
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"files": [
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"**/*.md",
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"**/*.yml"
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],
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"exclude": [
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"**/obj/**",
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"**/includes/**",
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"_themes/**",
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"**/docfx.json",
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"_repo.en-us/**",
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"README.md",
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"LICENSE",
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"LICENSE-CODE",
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"ThirdPartyNotices.md",
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"SECURITY.md"
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]
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}
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],
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"resource": [
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{
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"files": [
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"**/*.png",
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"**/*.jpg"
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],
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"exclude": [
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"**/obj/**",
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"**/includes/**",
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"_themes/**",
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"**/docfx.json",
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"_repo.en-us/**"
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]
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}
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],
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"overwrite": [],
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"externalReference": [],
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"globalMetadata": {
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"uhfHeaderId": "Azure",
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"breadcrumb_path": "~/breadcrumb/AzureLocal/toc.yml",
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"feedback_system": "Standard",
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"permissioned-type": "public"
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},
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"fileMetadata": {},
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"template": []
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}
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}

azure-local/index.yml

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### YamlMime:Landing
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title: Azure Local documentation
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summary: Azure Local is a hyperconverged clustering solution that uses validated hardware to run virtualized workloads on-premises, making it easy for customers to consolidate aging infrastructure and connect to Azure for cloud services.
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metadata:
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title: Azure Local documentation
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description: Azure Local is a hyperconverged clustering solution that uses validated hardware to run virtualized workloads on-premises.
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# ms.service: service #Required; service per approved list. service slug assigned to your service by ACOM.
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ms.topic: landing-page
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author: ronmiab
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ms.author: robess
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ms.date: 09/30/2024
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# linkListType: architecture | concept | deploy | download | get-started | how-to-guide | learn | overview | quickstart | reference | sample | tutorial | video | whats-new
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landingContent:
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# Card (optional)
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- title: About Azure Local
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linkLists:
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- linkListType: overview
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links:
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- text: What is Azure Local?
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url: /azure/azure-stack/hci/overview

azure-stack/hci/concepts/plan-volumes.md

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:::image type="content" source="media/plan-volumes/dual-parity.png" alt-text="Diagram shows two volumes labeled data and two labeled parity connected by circular arrows with each volume associated with a server containing physical disks." lightbox="media/plan-volumes/dual-parity.png":::
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Which resiliency type to use depends on the needs of your workload. Here's a table that summarizes which workloads are a good fit for each resiliency type, and the performance and storage efficiency of each resiliency type.
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Which resiliency type to use depends on the performance and capacity requirements for your environment. Here's a table that summarizes the performance and storage efficiency of each resiliency type.
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| Resiliency type | Capacity efficiency | Speed | Workloads |
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| ------------------- | ---------------------- | --------- | ------------- |
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| **Mirror** | ![Storage efficiency showing 33%](media/plan-volumes/3-way-mirror-storage-efficiency.png)<br>Three-way mirror: 33% <br>Two-way-mirror: 50% |![Performance showing 100%](media/plan-volumes/three-way-mirror-perf.png)<br> Highest performance | Virtualized workloads<br> Databases<br>Other high performance workloads |
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| **Mirror-accelerated parity** |![Storage efficiency showing around 50%](media/plan-volumes/mirror-accelerated-parity-storage-efficiency.png)<br> Depends on proportion of mirror and parity | ![Performance showing around 20%](media/plan-volumes/mirror-accelerated-parity-perf.png)<br>Much slower than mirror, but up to twice as fast as dual-parity<br> Best for large sequential writes and reads | Archival and backup<br> Virtualized desktop infrastructure |
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| **Dual-parity** | ![Storage efficiency showing around 80%](media/plan-volumes/dual-parity-storage-efficiency.png)<br>4 servers: 50% <br>16 servers: up to 80% | ![Performance showing around 10%](media/plan-volumes/dual-parity-perf.png)<br>Highest I/O latency & CPU usage on writes<br> Best for large sequential writes and reads | Archival and backup<br> Virtualized desktop infrastructure |
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| Resiliency type | Capacity efficiency | Speed |
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| ------------------- | ---------------------- | --------- |
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| **Mirror** | ![Storage efficiency showing 33%](media/plan-volumes/3-way-mirror-storage-efficiency.png)<br>Three-way mirror: 33% <br>Two-way-mirror: 50% |![Performance showing 100%](media/plan-volumes/three-way-mirror-perf.png)<br> Highest performance |
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| **Mirror-accelerated parity** |![Storage efficiency showing around 50%](media/plan-volumes/mirror-accelerated-parity-storage-efficiency.png)<br> Depends on proportion of mirror and parity | ![Performance showing around 20%](media/plan-volumes/mirror-accelerated-parity-perf.png)<br>Much slower than mirror, but up to twice as fast as dual-parity<br> Best for large sequential writes and reads |
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| **Dual-parity** | ![Storage efficiency showing around 80%](media/plan-volumes/dual-parity-storage-efficiency.png)<br>4 servers: 50% <br>16 servers: up to 80% | ![Performance showing around 10%](media/plan-volumes/dual-parity-perf.png)<br>Highest I/O latency & CPU usage on writes<br> Best for large sequential writes and reads |
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#### When performance matters most
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azure-stack/hci/update/about-updates-23h2.md

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You can install available Azure Stack HCI cluster updates via the Azure portal using the Azure Update Manager. For more information, see [Use Azure Update Manager to update your Azure Stack HCI, version 23H2](./azure-update-manager-23h2.md)
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### Unsupported interfaces for updates
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When you install updates for Azure Stack HCI, version 23H2 don't use the following interfaces:
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- SConfig
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- Windows Admin Center
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- Azure Update Manager from the Machines pane in the Azure portal
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- Updates pane from the server (Machine-Azure Arc) resource page in the Azure portal
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- Manual runs of Cluster-Aware Updating
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Using these interfaces can install out-of-band updates, which aren't supported within the lifecycle and may cause various issues on the cluster. Additionally, billing for update operations like periodic assessment, checking for updates, using the scheduler, and installing updates on the server resource (Machine-Azure Arc) may occur.
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## Next steps
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Learn to [Understand update phases](./update-phases-23h2.md).

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