FAST VP is an automated feature requiring very little manual intervention.
If sufficient flash capacity is not available, you can use a FAST VP-enabled storage pool RAID 5 8+1 (flash) for data devices and RAID 5 4+1 (SAS) for log devices to meet the SAP HANA performance KPIs. FAST VP enables the system to retain the most frequently accessed or important data on fast, high-performance disks and to move the less frequently accessed and less important data to lower-performance, cost-effective disks. For storage pools, FAST VP:
Note: FAST VP can use all supported disk types except for the SAS Flash 3 disk.
To enable FAST VP:
- In the Unisphere GUI, click the Update System Setting in the upper right corner.
Under Software and Licenses > License Information, check that FAST VP is licensed. If not, you must acquire a license.
- Select Storage Configuration > FAST VP and review the settings shown in Figure 19. You can change the Data relocation rate if required – the default
Figure 18. FAST VP settings
- To modify the relocation schedule, click the Modify data relocation schedule link. The Modify data relocation schedule page appears, as shown in
Figure 19. Modifying the data relocation schedule
- Ensure that the Schedule data relocation checkbox is checked, and then select the desired time and days to perform the data relocation. Click OK, and then Apply.