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The following settings are defined accordingly to the scenario, in addition
to the parameters above:
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plain fs
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ext2 file system with:
DBWR_IO_SLAVES=20
DISK_ASYNCH_IO=FALSE
|
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direct_io
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ext2 file system with direct I/O:
DBWR_IO_SLAVES=20
DISK_ASYNCH_IO=FALSE
FILESYSTEMIO_OPTIONS=DIRECTIO
|
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async
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ext2 file system with async I/O:
DB_WRITER_PROCESSES=1
DISK_ASYNCH_IO=TRUE
FILESYSTEMIO_OPTIONS=ASYNCH
Note: for this option a relink of the oracle database
is required |
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setall
|
ext2 file system with direct I/O and async I/O:
DB_WRITER_PROCESSES=1
DISK_ASYNCH_IO=TRUE
FILESYSTEMIO_OPTIONS=SETALL
Note: for this option a relink of the oracle database
is required |
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setall ext3
|
ext3 file system with direct I/O and async I/O:
DB_WRITER_PROCESSES=1
DISK_ASYNCH_IO=TRUE
FILESYSTEMIO_OPTIONS=SETALL
Note: for this option a relink of the oracle database
is required |
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raw
|
raw devices with no further I/O options:
DBWR_IO_SLAVES=20
DISK_ASYNCH_IO=FALSE
DB_WRITER_PROCESSES=1
|
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raw-async
|
raw devices with async I/O:
DISK_ASYNCH_IO=TRUE
DB_WRITER_PROCESSES=1
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Note: The option DBWR_IO_SLAVES must not be specified when async I/O is
used!
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