Tier
Disk Type
Capacity
• SATA HDD
• NL-SAS HDD
Qtier Creation
Creating a Qtier Storage Pool
For details on hardware and software requirements, see
.
Tip
Immediately after creating a Qtier storage pool, QTS starts moving data between tiers.
This data migration may affect system storage performance. You should create the Qtier
storage pool during a period of low NAS activity.
1.
Go to
Storage & Snapshots
>
Storage
>
Storage/Snapshots
.
2.
Perform one of the following actions.
Current NAS State
Action
No volumes or storage pools
Click
New Storage Pool
One or more volumes or storage pools
Select
Create
>
New Storage Pool
The
Create Storage Pool Wizard
opens.
3.
Select
Enable Qtier (auto-tiering storage)
.
4.
Click
Next
.
5.
Create the ultra-high speed tier.
a.
Click
.
b.
Optional: Select an expansion unit.
Important
If you create the ultra-high speed tier using disks installed in a TL-series expansion unit, then
the two tiers (high speed, capacity) must consist of disks from the same expansion unit.
c.
Select one or more solid-state drives (SSDs).
d.
Select a RAID type.
For details, see
e.
Optional: Select the disk that will be used as a hot spare for the ultra-high speed tier.
6.
Optional: Create the high speed tier.
At least two different tiers are required in a Qtier storage pool.
a.
Click
.
b.
Optional: Select an expansion unit.
c.
Select one or more SAS hard disk drives (HDDs).
QTS 4.5.x User Guide
Storage & Snapshots
239
