You can enable Qtier in an existing storage pool by adding different types of disk to the pool. For details on hardware and software requirements, see Qtier Requirements.
The Upgrade Pool to use Qtier Wizard window opens.
For details, see RAID Types.
For details, see RAID Types.
Over-provisioning reserves a percentage of SSD storage space on each disk in the RAID group to improve write performance and extend the disk's lifespan. You can decrease the amount of space reserved for over-provisioning after QTS has created the RAID group.
To determine the optimal amount of over-provisioning for your SSDs, download and run SSD Profiling Tool from App Center.
A confirmation message appears.
All data on the selected disks will be deleted.
The pool status changes to Upgrading. After Qtier is enabled, the pool status changes back to Ready.