Chapter 13.5.3. Switch replacement with a like switch

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Chapter 13. Maintenance 249 AIX In AIX without the SDDPCM, if you do not properly deal with a destination FCID change, running cfgmgr will create brand- new hdisk devices, all of your old paths will go into a defined state, and you will have some difficulty removing them from your ODM database. There are two ways of preventing this issue in AIX. Dynamic Tracking This is an AIX feature present in AIX 5.2 Technology Level ( TL) 1 and later. It causes AIX to bind HDisks to the WWPN instead of the destination FCID. However, this feature is not enabled by default, has extensive prerequisite requirements, and is disruptive to enable. For these reasons, we do not recommend that you rely on ...

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