Dell Command Line Interface manual Writepolicy=wb wt wc nwc Parameter Optional, 153

Table 8-20. Read Policy Paramaters

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>] Parameter (Optional)

Different controllers support different write policies. See the online help for more information. The following table indicates how to specify the [writepolicy=<wb wt wc nwc fwb>] parameter for each of the write policies.

Table 8-21. 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>] Parameter (Optional)

Use this parameter to specify a name for the virtual disk. For example:

name=VirtualDisk1

NOTE: The CERC SATA 1.5/2s controller does not allow you to specify a virtual disk name. The virtual disk will be created with a default name.

[spanlength=<n>] Parameter (Required for RAID 50)

Use this parameter to specify the number of physical disks to be included in each stripe. This parameter only applies to RAID 50 virtual disks. If you are not creating a RAID 50 virtual disk, do not specify this parameter. For example:

spanlength=3

Using the Storage Management Service

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