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Chapter 7 Thin Provisioning Pool Management
7.2 Functions in the Action Area for Thin Provisioning
7.2.4
Expand Thin Provisioning Pool
This function expands the capacity of Thin Provisioning Pool.
The maximum number of TPP and maximum TPP capacity for each model
ETERNUS DX80 S2
ETERNUS DX90 S2
ETERNUS DX410 S2
ETERNUS DX440 S2
*1:
Up to 256 TPPs can be created. When the maximum installation number of drives of a model is 512 or
less, the maximum number of TPPs is half the maximum installation number of drives.
There are two methods to expand a TPP: automatic drive selection and manual drive selection.
■
Automatically selecting drives to expand a TPP
Select drives automatically to expand the TPP. The procedure to expand a TPP is as follows:
Procedure
1
Model
•
TPP capacity is expanded in units of RAID groups. The specifications
for a RAID group that is to be added are the same as the existing RAID
group (such as the RAID level, the drive type, and the number of
member drives).
•
TPP capacity cannot be expanded in the following conditions:
-
When the maximum capacity of Thin Provisioning Pools are already
registered in the ETERNUS DX Disk storage system
-
When resources for creating TPPs (such as the number of RAID
groups and volumes) are insufficient
(When the maximum number of RAID groups or volumes already
exist, TPP cannot be expanded)
After a TPP capacity is expanded, the expanded area of TPP is formatted
automatically. To check the format progress, refer to
Pool (Basic Information)" (page
Select the TPP to be expanded and click [Expand] in [Action].
ETERNUS Web GUI User's Guide
Copyright 2011 FUJITSU LIMITED
Maximum Number of TPP (*1)
60
120
240
256
135).
156
Maximum TPP Capacity (TB)
128
128
384
768
"Thin Provisioning
P2X0-1090-02ENZ0
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