
446 IBM BladeCenter JS23 and JS43 Implementation Guide
Figure 11-7 Processor compatibility mode on JS12/JS22
The requirement is that the source and target blades have the ability to match
processor compatibility modes. Currently for POWER6 based blades the only
common processor compatibility mode is POWER6. An LPAR running in
POWER6 mode on a JS12 could migrate to a JS23 or JS43. If the JS12 LPAR
was running in POWER6 Enhanced migration to a JS23 or JS43 would not be
possible without a mode change first on the JS12 to POWER6 mode.
To perform Live Partition Mobility from IBM BladeCenter JS23/JS43 blades to
IBM BladeCenter JS12/JS22 the processor compatibility mode on JS23/JS43
must be changed to POWER6 as shown in Figure 11-8 on page 447.
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