1z0-070 Exam Dumps | You plan to monitor the ASM configuration on an X5 Database Machine as part of your role supporting Exadata-based

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Question 10/90

You plan to monitor the ASM configuration on an X5 Database Machine as part of your role supporting Exadata-based ASM diskgroups.
You want to check for potential space problems that take ASM mirroring requirements into account.
Which two values would you monitor from V$ASM_DISKGROUP or by using the ASMCMD LSDG command?

A. cold_used_mb

B. total_mb

C. required_mirror_free_mb

D. free_mb

E. usable_file_mb

Correct Answer: B,D

Explanation/Reference:
Determine the Amount of Available Space
To increase the size of the disks in a disk group you must either have unallocated disk space available, or you have to reallocate space currently used by a different disk group.
Example: View the space currently used by the disk groups.
SELECT name, total_mb, free_mb, total_mb - free_mb used_mb, round(100*free_mb/total_mb,2) pct_free FROM v$asm_diskgroup
ORDER BY 1;

The example above shows that the DATAC1 disk group has only about 15% of free space available while the RECOC1 disk group has about 87% free disk space. The PCT_FREE displayed here is raw free space, not usable free space. Additional space is needed for rebalancing operations.
References: http://docs.oracle.com/cd/E80920_01/SAGUG/exadata-administering- asm.htm#SAGUG20526