Exadata Flash Grid disk and configure as normal Flash


Step-1
Remove or move database or any contents to some another ASM Disk group
Step-2
Drop ASM disk group which was create on flash disk
Step-3
Drop all the flash grid disk
CellCLI> drop griddisk all prefix=flashdisk force
GridDisk FlashDisk_FD_00_exa1cel01 successfully dropped
GridDisk FlashDisk_FD_01_exa1cel01 successfully dropped
GridDisk FlashDisk_FD_02_exa1cel01 successfully dropped
GridDisk FlashDisk_FD_03_exa1cel01 successfully dropped
GridDisk FlashDisk_FD_04_exa1cel01 successfully dropped
GridDisk FlashDisk_FD_05_exa1cel01 successfully dropped
GridDisk FlashDisk_FD_06_exa1cel01 successfully dropped
GridDisk FlashDisk_FD_07_exa1cel01 successfully dropped
Step-4
Flush the flashcache
CellCLI> alter flashcache all flush
Flash cache exa1cel01_FLASHCACHE altered successfully
Step-5
Drop flashcache
CellCLI> drop flashcache all
Flash cache exa1cel01_FLASHCACHE successfully dropped
Step-6
Create flashcache
CellCLI> create flashcache all
Flash cache exa1cel01_FLASHCACHE successfully created
Step-6
Check flash cache disk
CellCLI> list griddisk attributes diskType, name where diskType=FlashDisk
After dropping Flash grid disk above command will not give any candidate flash grid disk.

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