QNAP TVS-472XT 4-Bay NAS Enclosure - Manual (Page 120)

8. Optional: Configure SSD over-provisioning.
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.
Tip
To determine the optimal amount of over-provisioning for your SSDs, download and run SSD
Profiling Tool from App Center.
9. Click Next.
10. Verify the storage pool information.
11. Click Finish.
A confirmation message appears.
Warning
All data on the selected disks will be deleted.
12. Click OK.
The pool status changes to Upgrading . After Qtier is enabled, the pool status changes back to Ready .
Qtier Management
The Qtier Storage Pool Management Screen
Item Description
Tiering Schedule Select when QTS moves data between tiers. For
details, see Configuring the Qtier Tiering Schedule .
QTS 4.4.x User Guide
Storage & Snapshots 119