Command Line Interface Guide

Diskcachepolicy=<disabled | enabled>
Different controllers support different disk cache policies. The following table indicates how to specify the
[diskcachepolicy=<disabled | enabled>] parameter for each of the cache policies.
Table 103. Disk Cache Policy Parameters
Disk Cache Policy diskcachepolicy=disabled | enabled Parameter
Specification
Disabled diskcachepolicy=disabled
Enabled diskcachepolicy=enabled
Readpolicy=<ra | nra | ara | rc | nrc>]
Different controllers support different read policies. The following table displays how to specify the readpolicy=<ra | nra
| ara | rc | nrc> parameter for each of the read policies.
Table 104. Read Policy Parameters
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
Writepolicy=<wb | wt | wc | nwc>
Different controllers support different write policies. The following table displays how to specify the writepolicy=<wb |
wt | wc | nwc | fwb> parameter for each of the write policies.
Table 105. Write Policy Parameters
Write Policy writepolicy=wb | wt | wc | fwb | nwc Parameter
Specification
Write-back cache writepolicy=wb
Write-through cache writepolicy=wt
Write cache writepolicy=wc
Force write back writepolicy=fwb
No write cache writepolicy=nwc
name=<string>
Use this parameter to specify a name for the virtual disk. For example:name=VirtualDisk1
spanlength=<n> (Required For RAID 50 And RAID 60 And Optional For RAID 10)
Use this parameter to specify the number of physical disks in each stripe. This parameter applies only to RAID-50 virtual
disks. If you are not creating a RAID-50 virtual disk, do not specify this parameter. For example:
spanlength=3
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