Dell Command Line Interface User Manual page 153

Table 8-20. Read Policy Paramaters
Read Policy
Read ahead
Adaptive read ahead
No read ahead
Read cache
No read cache
[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
Write–back cache
Write–through cache
Write cache
Force write back
No write cache
[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
readpolicy=ra | ara | nra | rc | nrc
Parameter Specification
readpolicy=ra
readpolicy=ara
readpolicy=nra
readpolicy=rc
readpolicy=nrc
writepolicy=wb | wt | wc | fwb | nwc
Parameter Specification
writepolicy=wb
writepolicy=wt
writepolicy=wc
writepolicy=fwb
writepolicy=nwc
Using the Storage Management Service
153