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Chapter 1 ETERNUS VSS Hardware Provider
1.4 Supported Environment
ETERNUS VSS Hardware Provider 2.1 User’s Guide
Copyright 2012 FUJITSU LIMITED P3AM-4582-03ENZ0
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1.4.3 Notes on Using VSSHP on Windows Server 2012
1.4.3.1 Combined Use of VSSHP and Offloaded Data Transfer (ODX)
Using an Advanced Copy that uses VSSHP with Offloaded Data Transfer (ODX) is not available. When
an ETERNUS DX Disk storage system model that supports the Offloaded Data Transfer function is
used by a Windows Server 2012 server, Offloaded Data Transfer (ODX) may start an ODX session in
the ETERNUS DX Disk storage system. An ODX session that is started by the Offloaded Data Transfer
(ODX) cannot be used at the same time as an Advanced Copy session that uses VSSHP. Disable the
Offloaded Data Transfer (ODX) by using one of the following methods:
• Disable Offloaded Data Transfer (ODX) on Windows Server 2012.
This operation is only valid for servers on which this operation is performed. For details on how to
disable Offloaded Data Transfer (ODX), refer to the procedure that is provided by Microsoft:
http://technet.microsoft.com/en-us/library/jj200627.aspx
• Stop the Offloaded Data Transfer function on the ETERNUS DX Disk storage system.
This operation is valid for all the servers that use the ETERNUS DX Disk storage system. For details
on how to stop the Offloaded Data Transfer function, refer to the ETERNUS DX Disk storage system
manuals.
1.4.3.2 Use of Virtual Disks with the Storage Pool Function
Virtual disks that are created by using the Storage Pool function cannot be used by VSSHP as the copy
source or copy destination.