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DECnet-Plus
Planning Guide


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3.2.4.2 Registering a System You Migrated from Phase IV to DECnet-Plus

Table 3-2 describes how you use decnet_register to reregister a Phase IV system currently registered in the namespace after migrating the system to DECnet-Plus.

Table 3-2 Registering a System You Migrate from Phase IV to DECnet-Plus
DECnet Phase V Name and Address Autoregistration Allowed&185; Autoregistration Disallowed&178;
Automatic
Registration
Manual
Registration
Automatic
Registration
Manual
Registration
Same Name
Same Address
Yes Not required Yes Not required
Same Name
Different Address
Yes Not required No Before booting the system for the first time, reregister the system as a DECnet-Plus system.
Different Name
Same Address
Yes³ Before booting the system for the first time, change the Phase IV name in the namespace to the new DECnet-Plus name. No Before booting the system for the first time, change the Phase IV name in the namespace to the new DECnet-Plus name.
Different Name
Different Address
Yes³ Before booting the system for the first time, change the Phase IV name in the namespace to the new DECnet-Plus name. No Before booting the system for the first time, change the Phase IV name in the namespace to the new DECnet-Plus name and then reregister the system as a DECnet-Plus system.


¹If a directory allows autoregistration, all systems and users have write access to that directory, allowing anyone to register nodes in it.
²If a directory disallows autoregistration, only users who are explicitly granted write access to that directory can register nodes in it.
³Autoregistration is not recommended in this case because the system creates a new node object that does not include any special information included in the old Phase IV node object, and you must delete the old Phase IV node object.

3.2.4.3 Registering a System You Changed from DECnet-Plus to Phase IV

Use decnet_register to reregister a system in the namespace after changing the system from DECnet-Plus to Phase IV. Phase IV systems cannot autoregister in the namespace. See your network management book for further information.

3.2.5 Migrating OpenVMS Cluster Nodes (OpenVMS Only)

Before you start to transition any system in a OpenVMS cluster, you need to gather the following information: