Flexible Tier Setup; Restrictions And Notes - Fujitsu ETERNUS DX80 S2 User Manual

Chapter 3 Setup
3.2 Flexible Tier (Auto Storage Layering) Setup
• When the Thin Provisioning Feature License is purchased as a factory-installed option, the license is
registered as a factory setting.
Attach the license label plate provided with the Thin Provisioning Feature License to the rack rail near the
ETERNUS DX Disk storage system which holds its license, for future reference.
• Check whether the license has already been registered using the provided license label plate or the
ETERNUS Web GUI screen. In the following conditions, the license is registered.
- The license key (barcode and 16-character alphanumerical string) is printed on the "LicenseKey" field
of the license label plate.
- In the Thin Provisioning [License] screen of ETERNUS Web GUI, "Registered" is shown in "Status".
3.2.2

Flexible Tier Setup

Settings and operation management for the Flexible Tier function are performed with ETERNUS SF Storage
Cruiser.
For details on settings and operation management when using Flexible Tier, refer to "ETERNUS SF Storage
Cruiser Operation Guide for Optimization Option".
3.2.3

Restrictions and Notes

■ When using the Flexible Tier function
The restrictions and points to note when using the Flexible Tier function are as follows:
• Up to 30 Flexible Tier Pools (FTRP) can be registered in an ETERNUS DX Disk storage system.
• Two or three Flexible Tier Sub Pools (FTSP) can be registered in an FTRP. The maximum number of tiers is
three.
• Up to 90 FTSPs can be registered in an ETERNUS DX Disk storage system. Note that the total maximum
number of TPPs and FTSPs is 120. The maximum capacity of an FTSP is 128TB.
• The maximum capacity of a Flexible Tier Volume (FTV) is 128TB. Note that the total capacity of FTVs must
be less than the maximum capacity of FTSPs.
• 32 work volumes (with a physical capacity of 0MB) are created when the Flexible Tier function is enabled.
The maximum number of volumes that can be created in the ETERNUS DX Disk storage system is reduced
by 32.
• To encrypt data, specify encryption for FTRP when creating an FTRP or use Self Encrypting Drives (SED) to
configure the FTSP.
• If usage of an FTRP or an FTV exceeds the threshold, a notification is sent. For FTRPs, a notification (SNMP
Trap, e-mail, or syslog) is also sent to the address that is specified by the event notification setting of
ETERNUS Web GUI or ETERNUS CLI. Make sure to add drives to expand the FTSP capacity by using ETERNUS
SF Storage Cruiser before insufficient FTRP capacity is detected.
ETERNUS DX80 S2/DX90 S2 Disk storage system User's Guide -Operation-
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