The high availability manager, by default, uses the original or base version of a protocol. However, you can upgrade to a newer protocol version, provided your system meets the product level requirements for that newer version.
Before you change the version of the core group protocol for a particular core group member, make sure that:
The high availability manager can use any supported core group protocol versions. However, to ensure that proper communication continues between all core group members, you should verify that all of the members of a particular core group are configured to use the same version of a core group protocol.
To change the version of a core group protocol complete the following steps.
You can check your SystemOut.log file or, for z/OS, either SYSOUT or SYSPRINT, for DCSV0005I and HMGR0226I messages.
DCSV0005I: DCS Stack DefaultCoreGroup at Member DIAMONDCell01\DIAMONDCellManager01\dmgr: Started. Stack version information: DCSBV_WAS6_1_20060409. Stack protocol information: 61002.
The Stack protocol information value at the end of this message indicates the protocol version that is being used. For example, a value of 51001 means the 6.0.0 version is being used. A value of 61002 means the 6.1.0 version is being used.
HMGR0226I: The core stack configuration parameter IBM_CS_HAM_PROTOCOL_VERSION has been set to 6.0.2.31.
This message indicates that the high availability manager protocol version 6.0.2.31 is being used.
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