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Merge pull request #3391 from MicrosoftDocs/main638660952690599468sync_temp
For protected branch, push strategy should use PR and merge to target branch method to work around git push error
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azure-stack/hci/concepts/plan-volumes.md

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@@ -77,13 +77,13 @@ Dual parity provides the same fault tolerance as three-way mirroring but with be
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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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