Mode Category Description Default MCU/RCU
1120 Dynamic
Pr
ovisioning
Thin Image
This SOM disables TI pair creation in DP pools and
releases cache management devices to enable the
microcode downgrade from 80-05-44 or later to
earlier than 80-05-44 or from 83-04-44 or later to
earlier than 83-04-44.
Mode 1120 = ON: TI pair creation with DP pool
speciî ´ed is disabled. Also, if any cache management
devices are reserved while there is no TI pool in the
storage system, all cache management devices are
released.
Mode 1120 = OFF (default): No action.
Notes:
1. Set this SOM to ON when the microcode
downgrade described above is performed while
there is a DP pool in the storage system.
2. Set this SOM to ON only when downgrading the
microcode.
3. Before setting this SOM to ON, delete all TI pairs
in DP pools.
4. After the microcode downgrade is complete,
make sure to set this SOM to OFF.
OFF -
Appendix B: System option modes
System Administrator Guide for VSP Gx00 models and VSP Fx00 models 348
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