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Copy file name to clipboardExpand all lines: articles/azure-vmware/configure-vsan.md
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@@ -47,9 +47,9 @@ To enable or disable the TRIM or UNMAP command (TRIM/UNMAP), run the `Set-AVSVSA
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|**Field**|**Value**|
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| --- | --- |
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|**Name**|Cluster name as defined in vCenter Server. Comma delimit to target only certain clusters. (Blank targets all clusters.) |
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|**Name**|The cluster name as defined in vCenter Server. Comma delimit to target only certain clusters. (Blank targets all clusters.) |
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|**Enable**| True or false. |
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|**Retain up to**| Retention period of the cmdlet output. The default value is 60. |
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|**Retain up to**| Retention period of the cmdlet output. The default value is `60`. |
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|**Specify name for execution**| Alphanumeric name. For example, *Disable vSAN TRIMUNMAP*. |
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|**Timeout**| The period after which a cmdlet exits if it's taking too long to finish. |
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@@ -59,10 +59,10 @@ After vSAN TRIM/UNMAP is enabled, there are several prerequisites that you must
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- Virtual machine hardware version 11 or later for Windows.
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- Virtual machine hardware version 13 or later for Linux.
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-`disk.scsiUnmapAllowed` flag isn't set to false. The default is implied true. This setting can be used as a *stop switch* at the virtual machine level. You can use this setting if you want to disable this behavior on a per-VM basis and don't want to use in-guest configuration to disable this behavior. VMX file changes require a reboot to take effect.
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-`disk.scsiUnmapAllowed` flag isn't set to `false`. The default is implied `true`. This setting can be used as a *stop switch* at the virtual machine level. You can use this setting if you want to disable this behavior on a per-VM basis and don't want to use in-guest configuration to disable this behavior. VMX file changes require a reboot to take effect.
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- The guest operating system must be able to identify the virtual disk as *thin*.
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- After you enable a VM at a cluster level, it must be powered off, and then powered back on (a reboot is insufficient).
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For more information about reclaiming space for Windows and Linux systems for TRIM/UNMAP to execute, see the following VMware articles:
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-[How to reclaim disk space](https://knowledge.broadcom.com/external/article/340005/reclaiming-disk-space-from-thin-provisio.html)
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-[Learn the procedure to enable TRIM/UNMAP](https://knowledge.broadcom.com/external/article/326595/procedure-to-enable-trimunmap.html)
@@ -84,21 +84,21 @@ To set your preferred space efficiency model, run the `Set-vSANCompressDedupe` c
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|**Field**|**Value**|
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| --- | --- |
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|**Compression**| True or false. |
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|**Deduplication**| True or false. (When you enable deduplication, you enable both dedupe and compression.) |
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|**Deduplication**| True or false. (When you enable deduplication, you enable both deduplication and compression.) |
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|**ClustersToChange**| The cluster name as defined in vCenter Server. Comma delimit to target multiple clusters. |
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|**Retain up to**| Retention period of the cmdlet output. The default value is 60. |
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|**Retain up to**| Retention period of the cmdlet output. The default value is `60`. |
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|**Specify name for execution**| Alphanumeric name. For example, *set cluster-1 to compress only*. |
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|**Timeout**| The period after which a cmdlet exits if taking too long to finish. |
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1. Check **Notifications** to see the progress.
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Learn more about the `Set-vSANCompressDedupe` cmdlet:
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- When you set **Compression** to **False** and **Deduplication** to **True**, vSAN is set to **Dedupe** and **Compression**.
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- When you set **Compression** to **False** and **Dedupe** to **False**, all space efficiency is disabled.
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- The default settings for Azure VMware Solution are **Dedupe** and **Compression**.
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- The **Compression** setting provides only slightly better performance.
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- When you disable both the **Compression** and **Deduplication** settings, you can achieve the greatest performance gains, but at the cost of space utilization.
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- When you set `Compression` to `False` and `Deduplication` to `True`, vSAN is set to `Deduplication` and `Compression`.
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- When you set `Compression` to `False` and `Deduplication` to `False`, all space efficiency is disabled.
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- The default settings for Azure VMware Solution are `Deduplication` and `Compression`.
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- The `Compression` setting provides only slightly better performance.
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- When you disable both the `Compression` and `Deduplication` settings, you can achieve the greatest performance gains, but at the cost of space utilization.
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## Set VMware vSAN data-in-transit encryption
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@@ -116,7 +116,7 @@ Run the `Set-vSANDataInTransitEncryption` cmdlet to enable or disable data-in-tr
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|**Field**|**Value**|
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| --- | --- |
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|**ClusterName**| Name of the cluster. Leave blank if you're required to enable for the whole SDDC. Otherwise, enter a comma-separated list of names. |
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| **Enable** | Select **True** or **False** to enable or disable the feature.
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| **Enable** | Select `True` or `False` to enable or disable the feature.
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