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View the Exhibit to examine the error obtained during the I/O calibration process. There are no data files on raw devices. What is the reason for this error?
Correct Answer: B
Explanation/Reference: Explanation: 9.1.1.2 FILESYSTEMIO_OPTIONS Initialization Parameter You can use the FILESYSTEMIO_OPTIONS initialization parameter to enable or disable asynchronous I/O or direct I/O on file system files. This parameter is platform-specific and has a default value that is best for a particular platform. FILESYTEMIO_OPTIONS can be set to one of the following values: ASYNCH: enable asynchronous I/O on file system files, which has no timing requirement for transmission. DIRECTIO: enable direct I/O on file system files, which bypasses the buffer cache. SETALL: enable both asynchronous and direct I/O on file system files. NONE: disable both asynchronous and direct I/O on file system files. To enable asynch I/O, set two values in the init.ora file (or spfile) and recycle the instances: disk_asynch_io = true filesystemio_options = asynch The first one is default; so you may not have to change it. The default of the second one is NONE; so you will probably have to change it. After setting these values and recycling the instance,