Background: SAP requirement of Highly Available share.
There are several possible solutions to achieve highly available SAPMNT for SAP Instance as listed here. On Azure, SOFS (Scale-Out File Server) is one of the solutions for consideration, being a Microsoft technology and it works well with SAP Global share. I have not come across a recommendation from SAP for General purpose file share on the cloud, but there is a recommendation from Microsoft Azure when using SOFS share for SAPMNT & general purpose share. The consideration is mainly around the potential performance impact and feature supportability.
In general, there are two types of shares required on SAP Solution.
SOFS & General Purpose share on Azure for SAP:
1. Scale-Out File Share: Active-Active mode, ReFs File system with CSV & CA feature enabled.
2. General/Generic purpose File Share: Active-Passive mode, CA feature adds overhead resulting in a potential performance issue.
Considerations for high load scenarios:
Microsoft invests heavily in R&D to bring new features to support SAP On Azure customers, there are options for customers looking for alternatives to S2D technology on Azure.
Refer blog for Azure Files - NFS use-case.
For Azure Shared Disk -SMB use-case.
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