Remove Exadata Flash Grid disk and configure as normal Flash

In previous blog we have created Grid Disk on Flash Disk. Here we are removing Flash Grid Disk and configuring normal Flash Cache.

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.