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IBM Storage Virtualize Family of Products Inter-System Metro Mirror and Global Mirror Compatibility Cross Reference

Preventive Service Planning


Abstract

This document provides a compatibility table for Metro Mirror and Global Mirror relationships between the IBM Storage Virtualize Family of Products system software versions.

This document was formerly known as Spectrum Virtualize Family of Products Inter-System Metro Mirror and Global Mirror Compatibility Cross Reference.

Content

Key:

Y Supported
N Not supported

 
Inter-system Metro Mirror and Global Mirror compatibility

Code level
8.6.3 8.6.2 8.6.1
8.6.0
8.5.4
8.5.3
8.5.2
8.5.1
8.5.0
8.4.x
8.3.x
8.6.3 Y Y Y Y Y Y Y Y Y Y N
8.6.2 Y Y Y Y Y Y Y Y Y Y N
8.6.1 Y Y Y Y Y Y Y Y Y Y N
8.6.0
Y Y Y
Y
Y
Y
Y
Y
Y
Y
N
8.5.4
Y Y Y
Y
Y
Y
Y
Y
Y
Y
N
8.5.3
Y Y
Y
Y
Y
Y
Y
Y
Y
N
8.5.2
Y Y
Y
Y
Y
Y
Y
Y
Y
N
8.5.1
Y Y
Y
Y
Y
Y
Y
Y
Y
Y
8.5.0
Y Y
Y
Y
Y
Y
Y
Y
Y
Y
8.4.x
Y Y
Y
Y
Y
Y
Y
Y
Y
Y
8.3.x
N N N
N
N
N
N
Y
Y
Y
Y

 

Considerations for Metro Mirror and Global Mirror replication

When using Metro Mirror for disaster recovery you need a low latency FC or FCoE network with enough bandwidth to keep up with peak production writes, and a disk system at the auxiliary site that can also keep up with peak writes.

When using Global Mirror for disaster recovery, you need enough bandwidth to keep up with the production writes and a well-performing disk system at the auxiliary site. You need an FC, FCoE, or FCIP network and a well-performing disk system at the auxiliary site.

For every application, you need to establish enough network and auxiliary disk performance to ensure the remote copy relationships can be sustained during peak times.

Refer to the IBM System Storage SAN Volume Controller and Storwize V7000 Replication Family Services Redbook for more details.

In a network of connected systems, the code level of each system must be supported for interoperability with the code level of every other system in the network. This applies even if there is no direct partnership in place between systems. For example, in the figure below, even though system A has no direct partnership with system C, the code levels of A and C must be compatible, as well as the partnerships between A-B and B-C.

A-B-C

When two systems are in a remote copy partnership, and one system has a lower limit on volumes per system, the lower limit applies to both systems. In the example above, the number of volumes on system B would be restricted to the lower of system A's limit and system C's limit. However, system A would not be affected by system C's limit.

When planning an upgrade, refer to the concurrent compatibility references and release notes for the new software level for any additional restrictions that might apply.

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Document Information

Modified date:
29 February 2024

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ssg1S1003646