Users Guide
where:
PDISKID=<connector:enclosureID:portID | connector:targetID>
Use this parameter to specify the physical disks that will be included in the virtual disk.
When reconfiguring a virtual disk, you must specify all physical disks to be included in the reconfigured virtual disk. The physical disk specification applies to
physical disks that were in the original virtual disk and will continue to be in the reconfigured virtual disk and to any new physical disks being added to the
reconfigured virtual disk. Some controllers allow you to remove a physical disk from a virtual disk. In this case, you would not specify the physical disk to be
removed.
The pdisk=<PDISKID> parameter indicates a physical disk by specifying either connector:enclosureID:portID or connector:targetID. See "pdisk=<PDISKID>
Parameter" and "Multiple Targets" for more information on specifying physical disks.
[stripesize=< 2kb| 4kb| 8kb| 16kb| 32kb| 64kb| 128kb>] Parameter (Optional)
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:
stripesize=128kb
[cachepolicy=<d | c>] Parameter (Optional)
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.
[diskcachepolicy=<d|e>] Parameter (Optional)
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
[readpolicy=<ra | nra | ara | rc | nrc>] Parameter (Optional)
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.
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