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In some environments, due to Quality of Service (QoS), network restrictions, security, or firewall requirements it is necessary to have applications use specific ports for network activity. Geographic mirroring allows the administrator to specify a port that the geographic mirror copy will use for listening and receiving data.
Before you Begin
This functionality requires a PTF to be installed on all nodes in the geographic mirroring environment. The required PTFs for each supported release are:
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Release
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PTF
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7.2
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MF67883
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7.3
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MF67881
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7.4
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MF67632
Restrictions
Only a single port number can be specified. This port number will be used as the data port IP address by all nodes in the geographic mirroring environment.
This functionality is supported only with clusters containing a single independent auxiliary storage pool (IASP) device in the cluster resource group (CRG). Clusters containing multiple IASP devices have the following additional restrictions:
Each CRG can only have a single IASP device.
Each CRG must use different data port IP addresses.
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