IBM Support

Intrasystem Global Mirror Not Supported With v6.x or v7.x or v8.x

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Abstract

SAN Volume Controller and Storwize systems running v6.x or v7.x or v8.x do not support the use of intrasystem Global Mirror.

Content

An intrasystem Global Mirror relationship is defined as having both source and target volumes in the same system. Any intrasystem Global Mirror relationships on systems running v6.x or v7.x or v8.x may result in those relationships experiencing link tolerance (1920) error events, causing replication operations to be stopped.

This restriction does not affect intersystem Global Mirror configurations, where the source and target volumes are on different systems. Intersystem Global Mirror functionality is fully supported on v6.x, v7.x and v8.x.

This restriction also does not affect intrasystem or intersystem Metro Mirror configurations, which are fully supported on v6.x, v7.x and v8.x

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Document Information

Modified date:
26 September 2022

UID

ssg1S1003725