-For the HANA certified VMs of the Azure [Esv3](../../ev3-esv3-series.md?toc=/azure/virtual-machines/linux/toc.json&bc=/azure/virtual-machines/linux/breadcrumb/toc.json#esv3-series) family and the [Edsv4](../../edv4-edsv4-series.md?toc=/azure/virtual-machines/linux/toc.json&bc=/azure/virtual-machines/linux/breadcrumb/toc.json#edsv4-series), [Edsv5](../../edv5-edsv5-series.md?toc=/azure/virtual-machines/linux/toc.json&bc=/azure/virtual-machines/linux/breadcrumb/toc.json#edsv5-series), and [Esv5](../../ev5-esv5-series.md?toc=/azure/virtual-machines/linux/toc.json&bc=/azure/virtual-machines/linux/breadcrumb/toc.json#esv5-series) you need to use ANF for the **/hana/data** and **/hana/log** volume. Or you need to leverage Azure Ultra disk storage instead of Azure premium storage only for the **/hana/log** volume to be compliant with the SAP HANA certification KPIs. Though, many custmers are using premium storage SSD disks for the **/hana/log** volume for non-production purposes or even for smaller production workloads since the write latency experienced with premium storage for the critical redo log writes are meeting the workload requirements. The configurations for the **/hana/data** volume on Azure premium storage could look like:
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