Home > Storage > PowerScale (Isilon) > Product Documentation > Cloud > Introduction to APEX File Storage for Azure > Appendix C: recommended data disk configuration details for optimal performance
This section outlines the recommended details for configuring data disks for optimal performance, including the type and count of data disks for each node in the cluster.
VM sizes/Node types | Data disk size | Recommended data disk count per node |
| P20 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P20 | 12, 15, 18, 20, 24, 25, 30 |
| P20 | 15, 18, 20, 24, 25, 30 |
| P20 | 18, 20, 24, 25, 30 |
| P20 | 30 |
| P30 | 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P30 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P30 | 12, 15, 18, 20, 24, 25, 30 |
| P30 | 12, 15, 18, 20, 24, 25, 30 |
| P30 | 20, 24, 25, 30 |
| P40 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P40 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P40 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P40 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P40 | 18, 20, 24, 25, 30 |
| P50 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P50 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P50 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P50 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P50 | 18, 20, 24, 25, 30 |
| P60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| P60 | 10, 12, 15, 18, 20, 24, 25, 30 |
| P70 | 5, 6, 10, 12, 15, 18, 20 |
| P70 | 5, 6, 10, 12, 15, 18, 20 |
| P70 | 5, 6, 10, 12, 15, 18, 20 |
| P70 | 5, 6, 10, 12, 15, 18, 20 |
| P70 | 6, 10, 12, 15, 18, 20 |
VM sizes/Node types | Data disk Size | Recommended data disk count per node |
| E20 | 18, 20, 24, 25, 30 |
| E20 | 30 |
| E20 | 30 |
| E20 | 30 |
| E20 | 30 |
| E30 | 18, 20, 24, 25, 30 |
| E30 | 30 |
| E30 | 30 |
| E30 | 30 |
| E30 | 30 |
| E40 | 18, 20, 24, 25, 30 |
| E40 | 30 |
| E40 | 30 |
| E40 | 30 |
| E40 | 30 |
| E50 | 18, 20, 24, 25, 30 |
| E50 | 30 |
| E50 | 30 |
| E50 | 30 |
| E50 | 30 |
| E60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| E60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| E60 | 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| E60 | 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| E60 | 10, 12, 15, 18, 20, 24, 25, 30 |
| E70 | 5, 6, 10, 12, 15, 18, 20 |
| E70 | 5, 6, 10, 12, 15, 18, 20 |
| E70 | 5, 6, 10, 12, 15, 18, 20 |
| E70 | 5, 6, 10, 12, 15, 18, 20 |
| E70 | 10, 12, 15, 18, 20 |
VM sizes/Node types | Data disk Size | Recommended data disk count per node |
| S40 | 18, 20, 24, 25, 30 |
| S40 | 30 |
| S40 | 30 |
| S40 | 30 |
| S40 | 30 |
| S50 | 18, 20, 24, 25, 30 |
| S50 | 30 |
| S50 | 30 |
| S50 | 30 |
| S50 | 30 |
| S60 | 5, 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| S60 | 6, 10, 12, 15, 18, 20, 24, 25, 30 |
| S60 | 10, 12, 15, 18, 20, 24, 25, 30 |
| S60 | 10, 12, 15, 18, 20, 24, 25, 30 |
| S60 | 15, 18, 20, 24, 25, 30 |
| S70 | 5, 6, 10, 12, 15, 18, 20 |
| S70 | 5, 6, 10, 12, 15, 18, 20 |
| S70 | 5, 6, 10, 12, 15, 18, 20 |
| S70 | 5, 6, 10, 12, 15, 18, 20 |
| S70 | 10, 12, 15, 18, 20 |