For more information on CU image support, see the Mainfr
ame Host Attachment and
Oper
ations Guide, or contact your
Hitachi V
antara account team.
Logical volume images
The VSP G1000, VSP G1500, and VSP F1500 storage systems support the following
Mainframe LVI types:
■
3390-3
■
3390-3R
■
3390-9
■
3390-L
■
3390-M
Note: The 3390-3 and 3390-3R L
VIs cannot be intermix
ed in the same stor
age
system.
The L
VI conguration of the storage system depends on the RAID implementation and
physical data drive capacities. To access the LDEVs, combine the logical disk controller
number (00), CU number (00-FE), and device number (00-FF). All control unit images can
support an installed LVI range of 00 to FF.
For maximum exibility in LVI conguration, the storage system provides the Virtual LVI
feature. Using Virtual LVI, users can congure multiple LVIs under a single LDEV. For
further information on Virtual LVI, see the Provisioning Guide for Mainframe Systems.
Logical units
The storage system is congured with OPEN-V logical unit types. The OPEN-V logical unit
size can vary fr
om 48.1 MB to 4 TB. For information about other logical unit types, for
example, OPEN-9, contact Hitachi Vantara support.
For maximum exibility in LU conguration, the storage system provides the Virtual LUN
feature. Using Virtual LUN, users can congure multiple LUs under a single LDEV. For
further information on Virtual LUN, see the Provisioning Guide for Open Systems.
Mainframe operations
This section provides high-level descriptions of mainframe compatibility, support, and
congurations.
Mainframe compatibility and functionality
In addition to full System Managed Stor
age (SMS) compatibility
, the stor
age system
pr
ovides the following functions and support in a Mainframe environment:
■
Sequential data striping
■
Cache fast write (CFW) and DASD fast write (DFW)
Logical volume images
Chapter 3: Hardware architecture
Hitachi Virtual Storage Platform G1000, G1500, and VSP F1500 Hardware Guide 69
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