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Question 4/90
You must replace the battery on the disk controller in three Exadata storage servers and must power off the affected storage servers.
Which two commands must you execute to safely power off the storage servers in an X5 Database Machine?
Which two commands must you execute to safely power off the storage servers in an X5 Database Machine?
Correct Answer: C,E
Explanation/Reference:
C: Step 1:
Run the following command to check if there are other offline disks
CellCLI> LIST GRIDDISK ATTRIBUTES name WHERE asmdeactivationoutcome != 'Yes' If any grid disks are returned, then it is not safe to take the storage server offline because proper Oracle ASM disk group redundancy will not be intact.
E: Step 2:
Inactivate all the grid disks when Oracle Exadata Storage Server is safe to take offline using the following command:
CellCLI> ALTER GRIDDISK ALL INACTIVE
Taking the storage server offline when one or more grid disks are in this state will cause Oracle ASM to dismount the affected disk group, causing the databases to shut down abruptly.
C: Step 1:
Run the following command to check if there are other offline disks
CellCLI> LIST GRIDDISK ATTRIBUTES name WHERE asmdeactivationoutcome != 'Yes' If any grid disks are returned, then it is not safe to take the storage server offline because proper Oracle ASM disk group redundancy will not be intact.
E: Step 2:
Inactivate all the grid disks when Oracle Exadata Storage Server is safe to take offline using the following command:
CellCLI> ALTER GRIDDISK ALL INACTIVE
Taking the storage server offline when one or more grid disks are in this state will cause Oracle ASM to dismount the affected disk group, causing the databases to shut down abruptly.
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