Merge pull request #197779 from dennispadia/depadia-asdppgupdate

Azure shared disk usage for SAP system with PPG

Author: PRMerger8

articles/virtual-machines/workloads/sap/sap-ascs-ha-multi-sid-wsfc-azure-shared-disk.md

@@ -13,7 +13,7 @@ ms.service: virtual-machines-sap
 ms.topic: article
 ms.tgt_pltfrm: vm-windows
 ms.workload: infrastructure-services
-ms.date: 04/14/2022
+ms.date: 05/10/2022
 ms.author: radeltch
 ms.custom: H1Hack27Feb2017
 
@@ -34,7 +34,9 @@ Currently you can use Azure Premium SSD disks as an Azure shared disk for the SA
    - Locally redundant storage (LRS) for premium shared disk (skuName - Premium_LRS) is supported with deployment in availability set.
    - Zone-redundant storage (ZRS) for premium shared disk (skuName - Premium_ZRS) is supported with deployment in availability zones.
 -  Azure shared disk value [maxShares](../../disks-shared-enable.md?tabs=azure-cli#disk-sizes) determines how many cluster nodes can use the shared disk. Typically for SAP ASCS/SCS instance you will configure two nodes in Windows Failover Cluster, therefore the value for `maxShares` must be set to two.
--  [Azure proximity placement group](../../windows/proximity-placement-groups.md) is not required for Azure shared disk. But if you are using PPG for SAP system, all virtual machines sharing a disk must be part of the same PPG.
+-  [Azure proximity placement group](../../windows/proximity-placement-groups.md) is not required for Azure shared disk. But for SAP deployment with PPG, follow below guidelines:
+   -  If you are using PPG for SAP system deployed in a region then all virtual machines sharing a disk must be part of the same PPG.
+   -  If you are using PPG for SAP system deployed across zones like described in the document [Proximity placement groups with zonal deployments](sap-proximity-placement-scenarios.md#proximity-placement-groups-with-zonal-deployments), you can attach Premium_ZRS storage to virtual machines sharing a disk.
 
 For further details on limitations for Azure shared disk, please review carefully the [limitations](../../disks-shared.md#limitations) section of Azure Shared Disk documentation.
 

articles/virtual-machines/workloads/sap/sap-high-availability-guide-wsfc-shared-disk.md

@@ -13,7 +13,7 @@ ms.service: virtual-machines-sap
 ms.topic: article
 ms.tgt_pltfrm: vm-windows
 ms.workload: infrastructure-services
-ms.date: 04/14/2022
+ms.date: 05/10/2022
 ms.author: radeltch
 ms.custom: H1Hack27Feb2017
 
@@ -151,7 +151,9 @@ Currently you can use Azure Premium SSD disks as an Azure shared disk for the SA
    - Locally redundant storage (LRS) for premium shared disk (skuName - Premium_LRS) is supported with deployment in Azure availability set.
    - Zone-redundant storage (ZRS) for premium shared disk (skuName - Premium_ZRS) is supported with deployment in Azure availability zones.
 -  Azure shared disk value [maxShares](../../disks-shared-enable.md?tabs=azure-cli#disk-sizes) determines how many cluster nodes can use the shared disk. Typically for SAP ASCS/SCS instance you will configure two nodes in Windows Failover Cluster, therefore the value for `maxShares` must be set to two.
--  [Azure proximity placement group](../../windows/proximity-placement-groups.md) is not required for Azure shared disk. But if you are using PPG for SAP system, all virtual machines sharing a disk must be part of the same PPG.
+-  [Azure proximity placement group](../../windows/proximity-placement-groups.md) is not required for Azure shared disk. But for SAP deployment with PPG, follow below guidelines:
+   -  If you are using PPG for SAP system deployed in a region then all virtual machines sharing a disk must be part of the same PPG.
+   -  If you are using PPG for SAP system deployed across zones like described in the document [Proximity placement groups with zonal deployments](sap-proximity-placement-scenarios.md#proximity-placement-groups-with-zonal-deployments), you can attach Premium_ZRS storage to virtual machines sharing a disk.
 
 For further details on limitations for Azure shared disk, please review carefully the [limitations](../../disks-shared.md#limitations) section of Azure Shared Disk documentation.
 

articles/virtual-machines/workloads/sap/sap-high-availability-infrastructure-wsfc-shared-disk.md

@@ -13,7 +13,7 @@ ms.service: virtual-machines-sap
 ms.topic: article
 ms.tgt_pltfrm: vm-windows
 ms.workload: infrastructure-services
-ms.date: 04/14/2022
+ms.date: 05/10/2022
 ms.author: radeltch
 ms.custom: H1Hack27Feb2017
 
@@ -172,7 +172,7 @@ Before you begin the installation, review this article:
 
 ## Create the ASCS VMs
 
-For SAP ASCS / SCS cluster deploy two VMs in Azure availability set or Azure availability zones based on the type of your deployment. If you are using [Azure proximity placement groups (PPG)](./sap-proximity-placement-scenarios.md), make sure all virtual machines sharing a disk must be part of the same PPG. Once the VMs are deployed:
+For SAP ASCS / SCS cluster deploy two VMs in Azure availability set or Azure availability zones based on the type of your deployment. Once the VMs are deployed:
 
 - Create Azure Internal Load Balancer for SAP ASCS /SCS instance.
 - Add Windows VMs to the AD domain.
@@ -202,7 +202,9 @@ Based on your deployment type, the host names and the IP addresses of the scenar
 The steps mentioned in the document remain same for both deployment type. But if your cluster is running in availability set, you need to deploy LRS for Azure  premium shared disk (Premium_LRS) and if the cluster is running in availability zone deploy ZRS for Azure premium shared disk (Premium_ZRS).
 
 > [!Note]
-> [Azure proximity placement group](../../windows/proximity-placement-groups.md) is not required for Azure shared disk. But if you are using PPG for SAP system, all virtual machines sharing a disk must be part of the same PPG.
+> [Azure proximity placement group](../../windows/proximity-placement-groups.md) is not required for Azure shared disk. But for SAP deployment with PPG, follow below guidelines:
+> - If you are using PPG for SAP system deployed in a region then all virtual machines sharing a disk must be part of the same PPG.
+> -  If you are using PPG for SAP system deployed across zones like described in the document [Proximity placement groups with zonal deployments](sap-proximity-placement-scenarios.md#proximity-placement-groups-with-zonal-deployments), you can attach Premium_ZRS storage to virtual machines sharing a disk.
 
 ## <a name="fe0bd8b5-2b43-45e3-8295-80bee5415716"></a> Create Azure internal load balancer