37 lines
1.3 KiB
Plaintext
37 lines
1.3 KiB
Plaintext
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# These options are used to tune the hard drives -
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# read the hdparm man page for more information
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# Set this to 1 to enable DMA. This might cause some
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# data corruption on certain chipset / hard drive
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# combinations. This is used with the "-d" option
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USE_DMA=1
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# Multiple sector I/O. a feature of most modern IDE hard drives,
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# permitting the transfer of multiple sectors per I/O interrupt,
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# rather than the usual one sector per interrupt. When this feature
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# is enabled, it typically reduces operating system overhead for disk
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# I/O by 30-50%. On many systems, it also provides increased data
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# throughput of anywhere from 5% to 50%. Some drives, however (most
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# notably the WD Caviar series), seem to run slower with multiple mode
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# enabled. Under rare circumstances, such failures can result in
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# massive filesystem corruption. USE WITH CAUTION AND BACKUP.
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# This is the sector count for multiple sector I/O - the "-m" option
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#
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MULTIPLE_IO=16
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# (E)IDE 32-bit I/O support (to interface card)
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#
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EIDE_32BIT=3
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# Enable drive read-lookahead
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#
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# LOOKAHEAD=1
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# Add extra parameters here if wanted
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# On reasonably new hardware, you may want to try -X66, -X67 or -X68
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# Other flags you might want to experiment with are -u1, -a and -m
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# See the hdparm manpage (man hdparm) for details and more options.
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#
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EXTRA_PARAMS=
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