Users Guide

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[stripesize=< 2kb| 4kb| 8kb| 16kb| 32kb| 64kb| 128kb>] Parameter (Optional)
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Different controllers support different stripe sizes. See "Controller-supported Stripe Sizes" for information on which stripe sizes are supported for a controller.
All stripe sizes are specified in kilobytes. For example, when specifying 128KB as the stripe size, you would enter:
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stripesize=128kb
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[cachepolicy=<d | c>] Parameter (Optional)
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Different controllers support different cache policies. See "Cache Policy" for more information. The following table indicates how to specify the [cachepolicy=<d |
c>] parameter for each of the cache policies.
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[diskcachepolicy=<d|e>] Parameter (Optional)
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Different controllers support different disk cache policies. See "Disk Cache Policy" for more information. The following table indicates how to specify the
[diskcachepolicy=<d | e>] parameter for each of the cache policies
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[readpolicy=<ra | nra | ara | rc | nrc>] Parameter (Optional)
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Different controllers support different read policies. See "Read Policy" for more information. The following table indicates how to specify the [readpolicy=<ra|
nra| ara| rc| nrc>] parameter for each of the read policies.
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[writepolicy=<wb | wt | wc | nwc | fwb>] Parameter (Optional)
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Different controllers support different write policies. See "Write Policy" for more information. The following table indicates how to specify the [writepolicy=<wb|
wt| wc| nwc | fwb>] parameter for each of the write policies.
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Cache Policy
cachepolicy=d | c Parameter Specification
Direct I/O
cachepolicy=d
Cache I/O
cachepolicy=c
Disk Cache Policy
diskcachepolicy=d | e Parameter Specification
Disabled
diskcachepolicy=d
Enabled
diskcachepolicy=e
Read Policy
readpolicy=ra | ara | nra | rc | nrc Parameter Specification
Read ahead
 readpolicy=ra
Adaptive read ahead
 readpolicy=ara
No read ahead
 readpolicy=nra
 Read cache
 readpolicy=rc
No read cache
readpolicy=nrc
Write Policy
writepolicy=wb | wt | wc | nwc | fwb Parameter Specification
Write-back cache
writepolicy=wb
Write-through cache
writepolicy=wt
Write cache
writepolicy=wc