How you can resolve the error?

The OS administrator in your company informed you about the upgrade of storage to new disk
controllers and hard disks. You want to test if the new I/O devices are capable of handling the I/O
load. The database is using Automatic Storage Management(ASM) for storage. To test the
throughput and other I/O metrics, you performed IO calibration from the Enterprise Manager but
you notice that the IO calibration job failed.
To see the details of the error, view the Exhibit.

How you can resolve the error?

The OS administrator in your company informed you about the upgrade of storage to new disk
controllers and hard disks. You want to test if the new I/O devices are capable of handling the I/O
load. The database is using Automatic Storage Management(ASM) for storage. To test the
throughput and other I/O metrics, you performed IO calibration from the Enterprise Manager but
you notice that the IO calibration job failed.
To see the details of the error, view the Exhibit.

How you can resolve the error?

A.
Set FILESYSTEMIO_OPTIONS to NONE and DISK_ASYNCH_IO to FALSE.

B.
Set FILESYSTEMIO_OPTIONS to SYNCH and DISK_ASYNCH_IO to FALSE.

C.
Set FILESYSTEMIO_OPTIONS to ASYNCH and DISK_ASYNCH_IO to TRUE.

D.
Set FILESYSTEMIO_OPTIONS to DIRECTIO and DISK_ASYNCH_IO



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L. Zhu

L. Zhu

disk_async_io has to be TRUE

So C is right