Fujitsu ETERNUS AF S3 Series, Design Manual

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Storage Container (VVOL Datastore)
Storage containers are pools for creating VVOLs. The ETERNUS AF uses FTRPs as storage containers. Multiple
storage containers can be created in the ETERNUS AF.
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VVOL
VVOLs are logical volumes that are created in FTRPs. Multiple VVOLs can be created in a storage container.
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Maximum VVOL Capacity
The following shows the maximum capacity that can be used for VVOLs from the maximum Thin
Provisioning Pool capacity that is set in the ETERNUS AF.
Table 46 Maximum VVOL Capacity
Item ETERNUS AF150 S3 ETERNUS AF250 S3 ETERNUS AF650 S3
Maximum TPP capacity
(reference) 4,096TB 6,144TB 24,576TB
Maximum VVOL capacity 256TB 256TB 1,024TB
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VVOL Management Information
Additional information called VVOL management information (metadata) is necessary for VVOLs. VVOL
management information is usually synchronized with the master information in the ETERNUS SF Storage
Cruiser and saved to a dedicated FTV within the ETERNUS AF container. The dedicated FTV is automatically
created in the storage container when creating a VVOL.
Table 47 VVOL Management Information Specifications
Item Explanation
Volume name (fixed) $VVOL_META
Volume type FTV
Usage System
Usage details VVOL Metadata
Capacity 1,040MB
Volume number (of each
ETERNUS AF) 1
2. Basic Functions
Server Linkage Functions
123 Design Guide