What is the recommended procedure to shut down an ASM instance with a mounted ACFS file system at /u01/app/oracle/acfsmounts/vol1, where the volume name is VOL1 and the disk group name is DATA?

The correct answer is C. Use the /bin/umount /u01/app/oracle/acfsmounts/vol1 command. Oracle ACFS and Dismount or Shutdown Operations It is important to dismount any active file system configured with an Oracle ADVM volume device file before an Oracle ASM instance is shutdown or a disk group is dismounted. After the file systems are dismounted, all open…

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Options

AIssue the synchronize command for the file system twice.
BUse the advmutil dismount /all /DATA command.
CUse the /bin/umount /u01/app/oracle/acfsmounts/vol1 command.
DUse the SQL ALTER DISKGROUP VOLULE VOL1 DISMOUNT command.
EStop the ASM instance with the SQL*Plus SHUTDOWN IMMEDIATE command.

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A
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B
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C
74% (23)
D
3% (1)
E
13% (4)

Explanation

Oracle ACFS and Dismount or Shutdown Operations It is important to dismount any active file system configured with an Oracle ADVM volume device file before an Oracle ASM instance is shutdown or a disk group is dismounted. After the file systems are dismounted, all open references to Oracle ASM files are removed and associated disk groups can be dismounted or the instance shut down. Oracle® Automatic Storage Management Administrator's Guide 11g Release 2 (11.2)

Topics

#ACFS dismount#ASM shutdown#file system unmount#ACFS administration

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